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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml">
<head>
<title>3ware Storage Management CLI</title>
<link rev="made" href="mailto:root@localhost" />
</head>
<body style="background-color: white">
<p><a name="__index__"></a></p>
<!-- INDEX BEGIN -->
<ul>
<li><a href="#synopsis">SYNOPSIS</a></li>
<li><a href="#description">DESCRIPTION</a></li>
<li><a href="#primary_command_syntax">Primary Command Syntax</a></li>
<ul>
<li><a href="#shell_object_messages">Shell Object Messages</a></li>
<li><a href="#controller_object_messages">Controller Object Messages</a></li>
<li><a href="#logical_disk_object_messages">Logical Disk Object Messages</a></li>
<li><a href="#port_object_messages">Port Object Messages</a></li>
<li><a href="#phy_object_messages">Phy Object Messages</a></li>
<li><a href="#bbu_object_messages">BBU Object Messages</a></li>
<li><a href="#enclosure_object_messages">Enclosure Object Messages</a></li>
<ul>
<li><a href="#enclosure_element_slot">Enclosure Element Slot</a></li>
<li><a href="#enclosure_element_fan">Enclosure Element Fan</a></li>
<li><a href="#enclosure_element_temperature_sensor">Enclosure Element Temperature Sensor</a></li>
<li><a href="#enclosure_element_power_supply">Enclosure Element Power Supply</a></li>
<li><a href="#enclosure_element_alarm">Enclosure Element Alarm</a></li>
</ul>
</ul>
<li><a href="#help_commands">Help Commands</a></li>
<li><a href="#command_logging">Command Logging</a></li>
<li><a href="#features">Features</a></li>
<ul>
<li><a href="#drive_performance_monitor">Drive Performance Monitor</a></li>
<li><a href="#rapid_raid_recovery">Rapid RAID Recovery</a></li>
<li><a href="#user_defined_lun_sizing">User Defined LUN Sizing</a></li>
<li><a href="#verify">Verify</a></li>
<li><a href="#verify__advanced">Verify - Advanced</a></li>
<li><a href="#verify__basic">Verify - Basic</a></li>
</ul>
<li><a href="#return_code">RETURN CODE</a></li>
<li><a href="#errata">ERRATA</a></li>
<ul>
<li><a href="#metacharacter_warning_">Meta-Character Warning:</a></li>
<li><a href="#reporting_style">Reporting Style</a></li>
<li><a href="#initialization_process_control">Initialization Process Control</a></li>
<li><a href="#environment_variables">Environment Variables</a></li>
</ul>
<li><a href="#author">AUTHOR</a></li>
<li><a href="#see_also">SEE ALSO</a></li>
</ul>
<!-- INDEX END -->
<hr />
<p><code>tw_cli(8)</code> - 3ware Storage Controller Management Command Line Interface
(CLI) manpage / HTML Help Document Version 3.1.</p>
<p>
</p>
<hr />
<h1><a name="synopsis">SYNOPSIS</a></h1>
<pre>
tw_cli Interactive Mode
tw_cli -f file Process from a file
tw_cli command Process single command (batch mode)</pre>
<p>
</p>
<hr />
<h1><a name="description">DESCRIPTION</a></h1>
<p><em>tw_cli(8)</em> is a Command Line Interface Storage Management Software for
3ware ATA RAID Controller(s). It provides controller, logical unit and drive
management. tw_cli can be used in both interactive and batch mode, providing
higher-level API (Application Programming Interface) functionalities.</p>
<p>The CLI prompt indicates the current object in focus, expressed in URI (Universal
Resource Identifier) syntax consisting of a hostname (<em>//hostname</em>), and an object
path (<em>/path/path/object</em>) such as <em>//elvis/c0/u0</em>. User can set the focus to a
particular object by <em>focus URI</em>.</p>
<p>CLI also supports <em>comments</em>. Command lines beginning with <em>#</em> denotes start
of comment. This feature is mostly useful with batch processing via <em>-f script</em>
flag.</p>
<p>CLI uses the following terminology:</p>
<p><strong>Logical Units.</strong> Usually shortened to ``units'', these are block devices presented
to the operating system. A logical unit can be a one-tier, two-tier, or three-tier
arrangement. Spare and Single logical units are examples of one-tier units.
RAID-1 and RAID-5 are examples of two-tier units and
as such will have sub-units. RAID-10 and RAID-50 are examples of three-tier units
and as such will have sub-sub-units.</p>
<p><strong>Port.</strong> 3ware controller models up to the 9650SE series have one or many ports
(typically 4, 8, 12, 16, or 24). Each port can be attached to a single disk drive.
On a controller such as the 9650SE with a multilane serial port connector, one
connector supports four ports. On the 9690SA and 9750 controllers, connections
are made with phys and vports (virtual ports).</p>
<p><strong>Phy.</strong> Phys are tranceivers that transmit and receive the serial data stream
that flows between the controller and the drives. The 9690SA controller
have 8 phys. These ``controller phys'' are associated with virtual ports (vports)
to establish up to 128 potential connections with the SAS or SATA drives. Each
controller phy can be connected to a single drive, or can be connected through
an expander to additional drives.</p>
<p><strong>VPort.</strong> Connections from the 9690SA and 9750 controllers to drives are referred
to as <em>virtual ports</em>, or vports. A vport indicates the ID of a drive, whether
it is directly connected to the controller, or cascaded through one of more
expanders. The vport, in essense, is a handle in the software to uniquely
identify a drive. The port ID or vport ID allows a drive to be consistently
identified, used and managed in a RAID unit. For dual-ported drives, although
there are two connections to a drive, the drive is still identified with one
vport handle. <strong>Note:</strong> With the controller summay via the command ``show'',
the number of (V)Ports shown may contain two times (2X) the number of drives
(suggesting the dual-ported drive type) even though the (V)Port column of
the summary to the command ``/cx show'' contains only the number of vports
corresponding to the number of drives. This is because the drive is
identified with only one vport handle.</p>
<p><strong>NOTE:</strong> For all practical purposes, hereafter port and vport are used
interchangeably in reference to a drive (or disk). Therefore, unless otherwise
specified, the mention of port implies vport as well. That is, while ``port''
is mentioned to denote a drive, it is implied that for the applicable controller
series, the reference also applies to vport.</p>
<p>CLI supports a set of primary command syntax and a set of legacy command syntax
that is the old or original command syntax. <strong>Note:</strong> The primary command syntax
replaces that legacy command syntax and as such support for legacy commands will
discontinue in the near future.</p>
<p>Please also note that some of the commands listed in this document are qualified
with restrictions of controller type/model support. For example, ``9000 series'' or
``9550SX and higher'' may be next to a command. The following is a summary of the
controller qualified specifications.</p>
<p>Commands with:</p>
<pre>
No specifications Could be used across all controller platforms. This includes
the 7000 and 8000 series controllers.
9000 series Could be used in all controllers in the 9000 series. This
excludes the 7000 and 8000 series controllers, and includes
the 9550SX, 9590SE, 9650SE, 9690SA and 9750 controllers.
9550SX and higher For controller models 9550SX, 9650SE, 9690SA and 9750.
9650SE and higher For controller models 9650SE, 9690SA and 9750.</pre>
<p>For the Mac system, while still true, the command qualifier is not meaningful
as all commmands are supported, provided the controller model is 9590SE or 9650SE
(or above).</p>
<p>Here is a summary of the controllers and their associated support:</p>
<pre>
Controller | Added Support
----------------+-------------------------------------------
7000 / 8000 | JBOD
----------------+-------------------------------------------
9500S | JBOD
----------------+-------------------------------------------
9550SX | PCI-X 133
----------------+-------------------------------------------
9590SE | bridge / PCI express
----------------+-------------------------------------------
9650SE | PCI express, RAID 6, enclosure services,
| AMI 9071/2 chipset, CCU
----------------+-------------------------------------------
9690SA | SAS, SES-2, enclosure services, No CCU,
| JBOD support in stealth mode
----------------+-------------------------------------------
9750 | phy link capability of 6.0 Gpbs added
| for SAS drives
----------------+-------------------------------------------</pre>
<p>Please note that the support items are accumulative down the list, excepted where
noted. Also, CCU (Chassis Control Unit) refers to the JMR enclosure/Sidecar.</p>
<p>This document organizes the CLI command set as different types of Object
Messages, and descriptions and examples are presented for each object message
or command. While some of the system features could be invoked with one
``set'' command and correspondingly displayed with a ``show'' command and as such,
information regarding the feature may be self-contained within the description
of the set command, other features may require or involve a set of commands
that work together and may not be so straight-forward. For these, the command
descriptions may present a fragmented view of the feature as a result. For
an encapsulated view of certain features and their relevant command set, please see
the <strong>Features</strong> section of this document.</p>
<p>This document, therefore, may be used as a reference for individual commands
and also as a reference for supported features. For the former please see
the <strong>Primary Command Syntax</strong> sections, and for the latter please see the
Features sections.</p>
<p>
</p>
<hr />
<h1><a name="primary_command_syntax">Primary Command Syntax</a></h1>
<p>The primary command syntax will replace the legacy command syntax in the future
releases. The new and improved command format follows a general grammar in
the form:</p>
<pre>
Object Message Attributes</pre>
<p>Objects can be shell commands or can specify a controller, logical unit,
port or vport (drive), or battery backup unit (bbu). Messages are commands
sent to the requested objects. It may be a read operation such as for the
command ``show'', or a write operation for the set, delete, add, stop, start,
or remove commands. Attributes specify the values to read or write.
Attributes are either <em>Boolean Attributes</em> or <em>Named Attributes</em>. Value of a Boolean
attribute is deduced by presence. Value of named attributes are
expressed in a ``key = value'' format.</p>
<p>
</p>
<h2><a name="shell_object_messages">Shell Object Messages</a></h2>
<p>Shell Object Messages are commands (a.k.a. methods/messages) that are sent to
the Command Interpreter (a.k.a. Shell/CLI) itself.</p>
<dl>
<dt><strong><a name="item_show"><em>show</em></a></strong><br />
</dt>
<dd>
This command shows a general summary of all detected controllers. Note that the
appropriate kernel device drivers should be loaded for the list to show all
controllers. The intention is to provide a global view of the environment.
</dd>
<dd>
<p>Typical output looks like:</p>
</dd>
<dd>
<pre>
//localhost&gt; show</pre>
</dd>
<dd>
<pre>
Ctl Model Ports Drives Units NotOpt RRate VRate BBU
--------------------------------------------------------------------------------
c0 7500-12 12 8 3 1 2 - -
c1 9506S-12 12 6 1 0 3 5 TESTING</pre>
</dd>
<dd>
<p>The output indicates that <em>Controller 0</em> is a 7500 model with 12 Ports, with 8 Drives
detected (attached), total of 3 Units, with one unit in a NotOpt (Not Optimal) state,
a RRate(Rebuild Rate) of 2, VRate(Verify Rate) of '-' (Not Applicable), BBU of '-'
(Not Applicable). Not Optimal refers to any state except OK and VERIFYING. Other
states include INITIALIZING, INIT-PAUSED, REBUILDING, REBUILD-PAUSED, DEGRADED,
MIGRATING, MIGRATE-PAUSED, RECOVERY, INOPERABLE, and UNKNOWN.</p>
</dd>
<dd>
<p>For a system with an enclosure unit as an attached expander, and the appropriate
controller (9690SA), a global view of the environment includes summary
information about detected enclosures. As example:</p>
</dd>
<dd>
<pre>
//localhost&gt; show</pre>
</dd>
<dd>
<pre>
Ctl Model (V)Ports Drives Units NotOpt RRate VRate BBU
---------------------------------------------------------------------------
c0 G133e/Astor 12 4 1 0 1 1 -</pre>
</dd>
<dd>
<pre>
Encl Slots Drives Fans TSUnits PSUnits
--------------------------------------------------
/c0/e0 4 2 1 1 1</pre>
</dd>
<dd>
<p>The enclosure summary information shows the name of the enclosure, and the
number of elements within each element type that is part of the system as
identified during discovery.</p>
</dd>
<p></p>
<dt><strong><a name="item_show_ver"><strong>show</strong> <em>ver</em></a></strong><br />
</dt>
<dd>
This command will show the CLI and API version.
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; show ver
CLI Version = 2.00.03.018
API Version = 2.01.00.004</pre>
</dd>
<p></p>
<dt><strong><a name="item_show_events__5breverse_5d"><strong>show</strong> <em>events</em> [<em>reverse</em>]</a></strong><br />
</dt>
<dt><strong><a name="item_show_aens__5breverse_5d"><strong>show</strong> <em>AENs</em> [<em>reverse</em>]</a></strong><br />
</dt>
<dt><strong><a name="item_show_alarms__5breverse_5d"><strong>show</strong> <em>alarms</em> [<em>reverse</em>]</a></strong><br />
</dt>
<dd>
This command shows the controller alarms or events, also known as AEN
(Asynchronous Event Notification) messages, of all controllers in the
system. The default display shows the most recent alarm at the end or
bottom of the table. The <em>reverse</em> attribute reverses this order and
shows the most recent alarm at the top of the table. For more information
please see '<em>/cx show AENs</em>'.
</dd>
<p></p>
<dt><strong><a name="item_show_diag"><strong>show</strong> <em>diag</em></a></strong><br />
</dt>
<dd>
This command shows the diagnostic information of all controllers in the
system.
</dd>
<p></p>
<dt><strong><a name="item_show_rebuild"><strong>show</strong> <em>rebuild</em></a></strong><br />
</dt>
<dd>
This command displays all rebuild schedules of all the 9000 controllers
in the system.
</dd>
<p></p>
<dt><strong><a name="item_show_selftest"><strong>show</strong> <em>selftest</em></a></strong><br />
</dt>
<dd>
This command displays all self test schedules of all the 9000 controllers
in the system.
</dd>
<p></p>
<dt><strong><a name="item_show_verify"><strong>show</strong> <em>verify</em></a></strong><br />
</dt>
<dd>
This command displays all verify schedules of all the 9000 controllers
in the system.
</dd>
<p></p>
<dt><strong><a name="item_update_fw_3dfilename_with_path__5bforce_5d"><strong>update</strong> <em>fw=filename_with_path</em> [<em>force</em>]</a></strong><br />
</dt>
<dd>
This command iterates through all the controllers in the system and downloads
the specified firmware image to the architecturally compatible controllers.
Please refer to command <em>/cx update fw=filename_with_path [force]</em> for detail.
</dd>
<p></p>
<dt><strong><a name="item_focus_object"><strong>focus</strong> <em>Object</em></a></strong><br />
</dt>
<dd>
This command will set the specified object in focus. This command is active in
interactive mode only and is provided to reduce typing. Recall that messages (or
commands) are sent to objects such as
</dd>
<dd>
<pre>
//hostname/c0/u0 show</pre>
</dd>
<dd>
<p>Instead, if the focus is set to <em>//hostname/c0/u0</em>, the prompt is changed
automatically to reflect this and the user would only have to type <em>show</em>.
The concept is similar to being in a particular location in a file system and
requesting a listing of the current directory.</p>
</dd>
<dd>
<p><em>object</em> can have the following forms:</p>
</dd>
<dd>
<p><em>//hostname/cx/ux</em> specifies the fully qualified URI of an object on host
<strong>hostname</strong>, controller <strong>cx</strong>, unit <strong>ux</strong>.</p>
</dd>
<dd>
<p><em>//hostname</em> specifies root of host <strong>hostname</strong>. The hostname is the name of
the system where your 3ware RAID controllers are. With current releases, the
hostname here should be always your system's name.</p>
</dd>
<dd>
<p><em>..</em> specifies one level up (the parent object).</p>
</dd>
<dd>
<p><em>/</em> specifies the root at the current focused host.</p>
</dd>
<dd>
<p><em>./obj</em> specifies the next level of the object.</p>
</dd>
<dd>
<p><em>/c0/bbu</em> specifies a relative path with respect to the current focused hostname.</p>
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; focus //elvis.3ware.com
//elvis.3ware.com&gt;</pre>
</dd>
<dd>
<pre>
//elvis.3ware.com&gt; focus /c0/u0
//elvis.3ware.com/c0/u0&gt;</pre>
</dd>
<dd>
<pre>
//elvis.3ware.com/c0/u0&gt; focus ..
//elvis.3ware.com/c0&gt;</pre>
</dd>
<dd>
<pre>
//elvis.3ware.com/c0&gt; focus ./u0
//elvis.3ware.com/c0/u0&gt;</pre>
</dd>
<dd>
<pre>
//elvis.3ware.com/c0&gt; focus /
//elvis.3ware.com&gt;</pre>
</dd>
<dd>
<p>Note that <em>focus</em> is available as default. You can also set <em>TW_CLI_INPUT_STYLE=OLD</em>
in the following to disable the feature.</p>
</dd>
<dd>
<pre>
If Bash, then &quot;export TW_CLI_INPUT_STYLE=OLD&quot;
If csh, then &quot;setenv TW_CLI_INPUT_STYLE OLD&quot;
If Windows, then &quot;set TW_CLI_INPUT_STYLE=OLD&quot;</pre>
</dd>
<p></p></dl>
<p>
</p>
<h2><a name="controller_object_messages">Controller Object Messages</a></h2>
<p>Controller Object Messages are commands (a.k.a. methods/messages) that are sent to
an instance of a controller such as <em>/c0</em>.</p>
<dl>
<dt><strong><a name="item__2fcx_show"><em>/cx</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command shows summary information on the specified controller <em>/cx</em>. This
report consists of two to three parts: the <strong>Unit Summary</strong> that lists all units
present, the <strong>Port Summary</strong> that lists the ports and disks attached to them,
and if a BBU unit is installed, the <strong>BBU Summary</strong> that shows information on
the BBU.
</dd>
<dd>
<p>The <strong>Unit Summary</strong> section lists the units present with the unit number,
unit type (such RAID 5), and unit status (such as OK, VERIFYING, INITIALIZING,
etc.). The <strong>%RCompl</strong> reports the percent completion of the unit's Rebuild, if
this task is in progress. The <strong>%V/I/M</strong> reports the percent completion of the
unit's Verify, Initialize, or Migrate, if one of these are in progress. The
stripe size, the usable capacity in gigabytes, the cache setting, and the
autoverify setting are also listed.</p>
</dd>
<dd>
<p><strong>Note</strong>: If a ``*'' appears at the end of the status, there is an error on one of
the drives in the unit. Rescanning the controller will clear the error status
if the condition no longer exists.</p>
</dd>
<dd>
<p>For controller models up to the 9550SX and 9650SE with Release 9.5.1 or
earlier, the <strong>Port Summary</strong> section lists all present ports and for each port,
the port number, drive status, unit affiliation, drive size (in blocks of 512
bytes), and the disk vendor assigned serial number are reported.</p>
</dd>
<dd>
<p>For the 9750, 9690SA and 9650SE controller with Release 9.5.2 or later,
this section lists the ports or virtual ports present and for each port, the port
or virtual port (VPort) number, drive status, unit affiliation, drive type,
phy number (if direct attached), the enclosure and slot (if expander attached),
and model number of the drive are reported.</p>
</dd>
<dd>
<p><strong>Note</strong>: Unlike the 9550SX or older display, if a drive is not present, instead
of showing the port with the status NOT-PRESENT with dashes ('-') across the
columns in the summary table, for the 9750, 9690SA and 9650SE with Release 9.5.2
or later, that port entry is not listed. Thus, unlike the older display, the
port numbers in this list may not be sequential. Moreover, if there are no
drives present at all for the specified controller, the output of its Port
Summary would show an empty summary consisting of only the header.</p>
</dd>
<dd>
<p>The <strong>BBU Summary</strong> section lists the online state, readiness, and status of
the BBU unit, along with the voltage, temperature, charge capacity expressed
as time remaining in hours, and the BBU's last test date.</p>
</dd>
<dd>
<p>Additional attributes about controllers, units, ports and disks can be obtained
by querying for them directly. See other show sub-commands below.</p>
</dd>
<dd>
<p>Here is the typical output for controller models up to 9550SX and 9650SE with
Release 9.5.1 or earlier:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c2 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 OK - - 64K 596.004 ON OFF
u1 RAID-0 OK - - 64K 298.002 ON OFF
u2 SPARE OK - - - 149.042 - OFF
u3 RAID-1 OK - - - 149.001 ON OFF</pre>
</dd>
<dd>
<pre>
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p0 OK u0 149.05 GB 312581808 WD-WCANM1771318
p1 OK u0 149.05 GB 312581808 WD-WCANM1757592
p2 OK u0 149.05 GB 312581808 WD-WCANM1782201
p3 OK u0 149.05 GB 312581808 WD-WCANM1753998
p4 OK u2 149.05 GB 312581808 WD-WCANM1766952
p5 OK u3 149.05 GB 312581808 WD-WCANM1882472
p6 OK u0 149.05 GB 312581808 WD-WCANM1883862
p7 OK u3 149.05 GB 312581808 WD-WCANM1778008
p8 OK - 149.05 GB 312581808 WD-WCANM1770998
p9 NOT-PRESENT - - - -
p10 OK u1 149.05 GB 312581808 WD-WCANM1869003
p11 OK u1 149.05 GB 312581808 WD-WCANM1762464</pre>
</dd>
<dd>
<pre>
Name OnlineState BBUReady Status Volt Temp Hours LastCapTest
---------------------------------------------------------------------------
bbu On Yes OK OK OK 241 22-Jun-2004</pre>
</dd>
<dd>
<p>Here is the typical output for the 9750, 9690SA and 9650SE controller with
Release 9.5.2 or later:</p>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 SPARE OK - - - 149.042 - OFF
u1 JBOD OK - - - 149.051 OFF OFF</pre>
</dd>
<dd>
<pre>
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK - 149.05 GB SATA 3 - WDC WD1600JS-22NCB1
p1 OK u0 149.05 GB SATA 0 - WDC WD1600JS-22NCB1
p2 OK u1 149.05 GB SATA 2 - WDC WD1600JS-22NCB1
p3 OK - 34.18 GB SAS 6 - SEAGATE ST936701SS</pre>
</dd>
<dd>
<p><strong>Note:</strong> The 'Cache' column in the unit summary differ between the older (up to
9550SX and 9650SE with Release 9.5.1 or earlier) and newer (9750, 9690SA and
9650SE with Release 9.5.2 or later) controllers. In the unit summary of the
``older'' controllers, this column shows the state (ON or OFF) of the write cache
only. For the ``newer'' controllers, the 'Cache' column displays the settings of
both the read cache and the write cache. For example:</p>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 OK - - 64K 596.004 W OFF
u1 RAID-0 OK - - 64K 298.002 RiW OFF
u2 SPARE OK - - - 149.042 - OFF</pre>
</dd>
<dd>
<p>In the above example, W denotes that the write cache is enabled, and RiW denotes
that Read Cache Intelligent and the Write Cache are both enabled. If OFF is
shown then all caches are disabled.</p>
</dd>
<dd>
<p>Below is a summary of the possible settings in that column:</p>
</dd>
<dd>
<pre>
W - only the write cache is enabled
Rb - only read cache Basic is enabled
Ri - only read cache Intelligent is enabled
RbW - read cache Basic and write cache are both enabled
RiW - read cache Intelligent and write cache are both enabled
OFF - all read and write caches are disabled</pre>
</dd>
<dd>
<p><strong>Note:</strong> If read cache Intelligent is enabled, the features in the Basic mode
are also enabled.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_attribute_attribute__2e_2e_2e"><em>/cx</em> <strong>show</strong> Attribute Attribute ...</a></strong><br />
</dt>
<dd>
This command shows the current setting of the given <em>attribute(s)</em>. One or
many attributes can be requested. An invalid attribute will terminate the loop.
Possible attributes are: achip, allunitstatus, autocarve (9550SX and higher),
autorebuild (9550SX and higher), bios, carvesize (9550SX and higher), driver,
drivestatus, firmware, memory, model, monitor, numdrives, numports, numunits,
ctlbus (9550SX and higher), ondegrade (9500S only), pcb, pchip, serial, spinup,
stagger, and unitstatus.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_driver"><em>/cx</em> <strong>show</strong> <em>driver</em></a></strong><br />
</dt>
<dd>
This command reports the device driver version associated with controller
<em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show driver
/c0 Driver Version = 1.02.00.036</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_model"><em>/cx</em> <strong>show</strong> <em>model</em></a></strong><br />
</dt>
<dd>
This command reports the controller model of controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show model
/c0 Model = 7500-12</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_firmware"><em>/cx</em> <strong>show</strong> <em>firmware</em></a></strong><br />
</dt>
<dd>
This command reports the firmware version of controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show firmware
/c0 Firmware Version = FE9X 3.03.06.X03</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_bios"><em>/cx</em> <strong>show</strong> <em>bios</em></a></strong><br />
</dt>
<dd>
This command reports the BIOS version of controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show bios
/c0 BIOS Version = BG9X 2.01.00.026</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_monitor"><em>/cx</em> <strong>show</strong> <em>monitor</em></a></strong><br />
</dt>
<dd>
This command reports the monitor (firmware boot-loader) version of
controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show monitor
/c0 Monitor Version = BLDR 1.00.00.008</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_serial"><em>/cx</em> <strong>show</strong> <em>serial</em></a></strong><br />
</dt>
<dd>
This command reports the serial number of the specified controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show serial
/c0 Serial Number = F12705A3240009</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_pcb"><em>/cx</em> <strong>show</strong> <em>pcb</em></a></strong><br />
</dt>
<dd>
This command reports the PCB (Printed Circuit Board) revision of the specified
controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show pcb
/c0 PCB Version = Rev3</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_pchip"><em>/cx</em> <strong>show</strong> <em>pchip</em></a></strong><br />
</dt>
<dd>
This command reports the PCHIP (PCI Interface Chip) version of the specified
controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show pchip</pre>
</dd>
<dd>
<pre>
/c0 PCHIP Version = 1.30-33</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_achip"><em>/cx</em> <strong>show</strong> <em>achip</em></a></strong><br />
</dt>
<dd>
This command reports the ACHIP (ATA Interface Chip) version of the specified
controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show achip</pre>
</dd>
<dd>
<pre>
/c0 ACHIP Version = 3.20</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_numports"><em>/cx</em> <strong>show</strong> <em>numports</em></a></strong><br />
</dt>
<dd>
For controller models earlier than the 9690SA, this command reports the port
capacity (number of physical ports) of the specified controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show numports
/c0 Number of Ports = 12</pre>
</dd>
<dd>
<p>For the 9750 and 9690SA controllers, this command reports the connections
and connection capacity of the specified controller <em>/cx</em>. Connections
consist of vports and phys.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3 show numports
/c3 Connections = 4 of 128</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_numunits"><em>/cx</em> <strong>show</strong> <em>numunits</em></a></strong><br />
</dt>
<dd>
This command reports the number of units currently managed by the specified
controller <em>/cx</em>. This report does not include off-line units (or removed units).
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show numunits
/c0 Number of Units = 1</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_numdrives"><em>/cx</em> <strong>show</strong> <em>numdrives</em></a></strong><br />
</dt>
<dd>
This command reports the number of drives currently managed by the specified
controller <em>/cx</em>. This report does not include (logically) removed/exported
drives. Also note that physically removed <code>disk(s)</code> will not be detected unless
I/O is performed against the disk. See <strong>/cx/px show smart</strong> for a workaround.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show numdrives
/c0 Number of Drives = 5</pre>
</dd>
<p></p>
<dt><strong><a name="item_spinup"><em>/cx</em> <strong>show</strong> <em>spinup</em> (9000 series)</a></strong><br />
</dt>
<dd>
This command presents the number of concurrent disks spin up at the power on.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show spinup</pre>
</dd>
<dd>
<pre>
/c0 Disk Spinup Policy = 1</pre>
</dd>
<p></p>
<dt><strong><a name="item_ondegrade"><em>/cx</em> <strong>show</strong> <em>ondegrade</em> (9500S only)</a></strong><br />
</dt>
<dd>
This command presents the write cache policy for degraded units. If the ondegrade
policy is <strong>Follow Unit Policy</strong>, a unit write cache policy stays the same when the
unit becomes degraded. If the ondegrade policy is <strong>off</strong>, a unit cache policy
will force to be off when the unit becomes degraded.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show ondegrade
/c0 Cache on Degraded Policy = Follow Unit Policy</pre>
</dd>
<p></p>
<dt><strong><a name="item_stagger"><em>/cx</em> <strong>show</strong> <em>stagger</em> (9000 series)</a></strong><br />
</dt>
<dd>
This command presents the time delay between each group of spinups at the power on.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show stagger
/c0 Spinup Stagger Time Policy (sec) = 2</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx set stagger=nn
/cx set spinup=nn
/cx show spinup</pre>
</dd>
<p></p>
<dt><strong><a name="item_autocarve"><em>/cx</em> <strong>show</strong> <em>autocarve</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command shows the Auto-Carving policy. If the policy is on, all
newly created or migrated units larger than carvesize will be automatically
carved into multiples of carvesize volumes and 1 remainder volume.
Each volume can be treated as an individual disk with its own file system.
The default carvesize is 2 TB.
</dd>
<dd>
<p>This feature is useful for operating systems limited to 2 TB filesystems.
For 64-bit OS users, there is no need to set the policy to be ``on''
unless users want to have multiple smaller volumes to the OS.
For 32-bit OS users, it is recommended to keep the policy on unless users
know their OS supports more than 2 TB disk devices.</p>
</dd>
<dd>
<p>When autocarve policy is off, all the new unit creation consists of one
single volume.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show autocarve
/c0 Auto-Carving Policy = on</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx set autocarve=&lt;on|off&gt;
/cx set carvesize=&lt;1024..32768&gt;
/cx show carvesize`</pre>
</dd>
<p></p>
<dt><strong><a name="item_carvesize"><em>/cx</em> <strong>show</strong> <em>carvesize</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command shows the carvesize that Auto-Carving policy needs. The
carve size is between 1024 to 32768 GB (i.e., 1TB-32TB). Default carvesize
is 2048 GB (i.e., 2TB). See ``<em>/cx</em> <strong>show</strong> <em>autocarve</em>'' command above
for details.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show carvesize
/c0 Auto-Carving Size = 2000 GB</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_memory"><em>/cx</em> <strong>show</strong> <em>memory</em></a></strong><br />
</dt>
<dd>
This command presents the size of the memory installed on the controller.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show memory
/c0 Available Memory = 112MB</pre>
</dd>
<p></p>
<dt><strong><a name="item_ctlbus"><em>/cx</em> <strong>show</strong> <em>ctlbus</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command presents the controller host bus type, bus speed and bus width.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show ctlbus</pre>
</dd>
<dd>
<pre>
/c0 Controller Bus Type = PCIX
/c0 Controller Bus Width = 64 bits
/c0 Controller Bus Speed = 133 Mhz</pre>
</dd>
<p></p>
<dt><strong><a name="item_autorebuild"><em>/cx</em> <strong>show</strong> <em>autorebuild</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command shows the Auto-Rebuild policy of the specified controller. If there
is a degraded unit and the policy is set to ON, the controller firmware will choose
drives in the following order of priority, for a drive candidate to perform the
rebuild operation:
</dd>
<dd>
<p>1. Smallest usable capacity spare.</p>
</dd>
<dd>
<p>2. Smallest usable unconfigured drive.</p>
</dd>
<dd>
<p>3. Smallest usable capacity failed drive.</p>
</dd>
<dd>
<p>If the policy is set to OFF, spare drives are the only candidates for an
automatic rebuild operation.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show autorebuild
/c0 Auto-Rebuild Policy = on</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx set autorebuild=&lt;on|off&gt;</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_dpmstat__5btype_3dinst_7cra_5d__289550s"><em>/cx</em> <strong>show</strong> <em>dpmstat</em> [type=inst|ra] (9550SX and higher)</a></strong><br />
</dt>
<dt><strong><a name="item__2fcx_show_dpmstat__5btype_3dinst_7cra_7cext_5d__2"><em>/cx</em> <strong>show</strong> <em>dpmstat</em> [type=inst|ra|ext] (9650SE and higher)</a></strong><br />
</dt>
<dd>
This command, without specifying the type option, shows the configuration and
setting of the Drive Performance Monitor. Display will also show the default
set of drive statistics of type Instantaneous.
</dd>
<dd>
<p>The optional 'type' in the command specifies which statistics would be
displayed. The options are either: <strong>inst</strong> for Instantaneous, <strong>ra</strong> for
Running Average, and <strong>ext</strong> for Extended Drive Statistics. More detailed
information regarding these statistics and the Drive Performance Monitor is
available in the Features section under 'Drive Performance Monitor'.</p>
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show dpmstat
Drive Performance Monitor Configuration for /c0 ...
Performance Monitor: ON
Version: 1
Max commands for averaging: 100
Max latency commands to save: 10
Requested data: Instantaneous Drive Statistics</pre>
</dd>
<dd>
<pre>
Queue Xfer Resp
Port Status Unit Depth IOPs Rate(MB/s) Time(ms)
------------------------------------------------------------------------
p0 NOT-PRESENT - - - - -
p1 NOT-PRESENT - - - - -
p2 OK - - - - -
p3 OK u0 10 93 2.907 85
p4 OK u1 10 84 2.640 95
p5 OK - - - - -
p6 NOT-PRESENT - - - - -
p7 NOT-PRESENT - - - - -</pre>
</dd>
<dd>
<p>Please note that as a controller level command, the output provides summary
information of the set of drives in the controller, as opposed to the
corresponding port-level command with the same options, that displays
correspondingly the same statistics but for the specified port only.</p>
</dd>
<dd>
<p>Also, for examples of other statistic data types, please see the 'Features'
section.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_unitstatus"><em>/cx</em> <strong>show</strong> <em>unitstatus</em></a></strong><br />
</dt>
<dd>
This command presents a list of units, their types, capacity and status
currently managed by the specified controller <em>/cx</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c2 show unitstatus</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 OK - - 64K 596.004 ON OFF
u1 RAID-0 OK - - 64K 298.002 ON OFF
u2 SPARE OK - - - 149.042 - OFF
u3 RAID-1 OK - - - 149.001 ON OFF</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_allunitstatus"><em>/cx</em> <strong>show</strong> <em>allunitstatus</em></a></strong><br />
</dt>
<dd>
This command presents a count of Total and Not Optimal units managed by the
specified controller <em>/cx</em>. See <a href="#shell_object_messages">Shell Object Messages</a> for more on Not
Optimal definition.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show allunitstatus</pre>
</dd>
<dd>
<pre>
/c0 Total Optimal Units = 2
/c0 Not Optimal Units = 0</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_drivestatus"><em>/cx</em> <strong>show</strong> <em>drivestatus</em></a></strong><br />
</dt>
<dd>
This command presents a list of drives, port assignment, vendor signature, size,
status, and unit membership/affiliation.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 show drivestatus</pre>
</dd>
<dd>
<pre>
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p0 OK u0 149.05 GB 312581808 3JS0TF14
p1 OK u0 149.05 GB 312581808 3JS0TETZ
p2 OK u1 149.05 GB 312581808 3JS0VG85
p3 OK u1 149.05 GB 312581808 3JS0VGCY
p4 OK u1 149.05 GB 312581808 3JS0VGGQ
p5 OK u2 149.05 GB 312581808 3JS0VH1P
p6 OK - 149.05 GB 312581808 3JS0TF0P
p7 OK - 149.05 GB 312581808 3JS0VF43
p8 OK - 149.05 GB 312581808 3JS0VG8D
p9 NOT-PRESENT - - - -
p10 NOT-PRESENT - - - -
p11 NOT-PRESENT - - - -</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_all"><em>/cx</em> <strong>show all</strong></a></strong><br />
</dt>
<dd>
This command shows the current setting of all attributes.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_add_type_3d_3craidtype_3e_disk_3d_3cp_3a_2dp"><em>/cx</em> <strong>add</strong> type=&lt;RaidType&gt; disk=&lt;p:-p&gt; [stripe=size] [noscan]
[group=&lt;3|4|5|6|7|8|9|10|11|12|13|14|15|16&gt;] [nocache|nowrcache]
[nordcache|rdcachebasic] [autoverify|noautoverify] [noqpolicy] [ignoreECC] [name=string]
[storsave=&lt;protect|balance|perform&gt;] [v0=n|vol=a:b:c:d]
[rapidrecovery=all|rebuild|disable]</a></strong><br />
</dt>
<dd>
This command allows you to add a new unit or create a unit on the specified
controller <em>/cx</em>, of type <em>RaidType</em>, optional stripe size of <em>Stripe</em>,
using one or many disks specified by <em>disk=p:-p</em>. By default the host
operating system will be informed of the new block device and write cache
is enabled. In case of RAID-50, you can also specify the layout of the unit
by specifying the number of disks per disk group with <em>group=3|4|5|6|7|8</em>
attribute.
</dd>
<dd>
<p>Upon the success of the new unit creation, a unique serial number is also
assigned to the new unit. Please refer to commands <em>/cx/ux show serial</em>
for checking.</p>
</dd>
<dd>
<p>Please Note:
1) The default of the unit creation sets write cache to ``on'' for performance
reasons. However, if there is no BBU available for the controller, a warning
is sent to standard error.
2) The default drive queuing policy is enabled, unless it is specifically set
to disable queuing by specifing <em>noqpolicy</em>.
3) The <em>noqpolicy</em> attribute is not applicable to the ``spare'' unit. Specifying
the noqpolicy attribute returns an error.
4) The [v0=n|vol=a:b:c:d] option is not applicable to type=single.</p>
</dd>
<dd>
<p>Since this command is by far the richest command, it deserves more details.</p>
</dd>
<dd>
<p><strong>/cx</strong> is the controller name as in /c0, /c1, etc.</p>
</dd>
<dd>
<p><strong>type=RaidType</strong> consists of logical unit type as in <strong>raid0</strong>, <strong>raid1</strong>,
<strong>raid5</strong>, <strong>raid10</strong>, <strong>raid50</strong>, <strong>single</strong>, <strong>spare</strong>, and <strong>raid6</strong> (9650SE
and higher only).</p>
</dd>
<dd>
<p>For example:
</p>
</dd>
<dd>
<pre>
type=raid50</pre>
</dd>
<dd>
<p>The following table illustrates supported types and controller models.</p>
</dd>
<dd>
<pre>
Model | Raid0 | Raid1 | Raid5 | Raid10 | JBOD | Spare | Raid50 | Single | Raid6 |
------+-------+-------+-------+--------+------+-------+--------+--------+-------+
7K/8K | Y | Y | Y | Y | Y | Y | N | N | N |
------+-------+-------+-------+--------+------+-------+--------+--------+-------+
9K | Y | Y | Y | Y | N | Y | Y | Y | N |
------+-------+-------+-------+--------+------+-------+--------+--------+-------+
9650SE| | | | | | | | | |
and | Y | Y | Y | Y | N | Y | Y | Y | Y |
higher| | | | | | | | | |
------+-------+-------+-------+--------+------+-------+--------+--------+-------+</pre>
</dd>
<dd>
<p><strong>disk=p:-p</strong> consists of a list of ports (disks) to be used in the construction
of the specified unit type. One or more ports can be specified. Multiple
ports can be specified using <strong>``:''</strong> or <strong>``-''</strong> as port index separators.
A dash indicates a range and can be mixed with ``:''. For example
<strong>disk=0:1:2-5:9:12</strong> indicates port 0, 1, 2 thru 5 (inclusive), 9 and 12.</p>
</dd>
<dd>
<p><strong>stripe=size</strong> consists of the stripe size to be used. The following
table illustrates the supported and applicable stripes on unit types and
controller models. Stripe size of units are in KB (kilobytes).</p>
</dd>
<dd>
<pre>
Model | Raid0 | Raid1 | Raid5 | Raid6 | Raid10 | Raid50 | JBOD | Spare | Single |
------+---------+-------+-------+-------+--------+--------+-------+-------+--------+
7K/8K | 64 | N/A | 64 | N/A | 64 | N/A | N/A | N/A | N/A |
| 128 | | | | 128 | | | | |
| 256 | | | | 256 | | | | |
| 512 | | | | 512 | | | | |
| 1024 | | | | 1024 | | | | |
------+---------+-------+-------+-------+--------+--------+-------+-------+--------+
9K | 16 | N/A | 16 | N/A | 16 | 16 | N/A | N/A | N/A |
| 64 | | 64 | | 64 | 64 | | | |
| 256 | | 256 | | 256 | 256 | | | |
------+---------+-------+-------+-------+--------+--------+-------+-------+--------+
9650SE| 16 | N/A | 16 | | 16 | 16 | N/A | N/A | N/A |
and | 64 | | 64 | 64 | 64 | 65 | | | |
higher| 256 | | 256 | 256 | 256 | 256 | | | |
------+---------+-------+-------+-------+--------+--------+-------+-------+--------+</pre>
</dd>
<dd>
<p><strong>group=3|4|5|6|7|8|9|10|11|12|13|14|15|16</strong> consists of the number of disks per group
for a Raid 50 type. <strong>Note:</strong> This attribute can only be used when type=raid50. Also,
group=13-16 is applicable to the 9690SA and 9750 controllers only.</p>
</dd>
<dd>
<p>Recall that a RAID-50 is a multi-tier array. At the most bottom layer,
N number of disks per group are used to form the RAID-5 layer. These
RAID-5 arrays are then integrated into a RAID-0. This attribute allows
you to specify the number of disks in the RAID-5 level. Valid values
are 3, 4, 5, 6, 7 and 8.</p>
</dd>
<dd>
<p>Note that a sufficient number of disks are required for a given pattern or
disk group. For example, given 6 disks, specifying 3 will create two RAID-5.
However given 12 disks, specifying 3 will create four RAID-5 under the RAID-0
level. Given 6 disks and grouping of 6 is not allowed, as you'll basically
be creating a RAID-5.</p>
</dd>
<dd>
<p>The default group varies based on number of disks. For 6 &amp; 9 disks, default
is group=3. For 8 disks, default is group=4. For 10 or 15 disks, default is
group=5. For 12 or 16 disks, default is group=4. For 14 disks, default is
group=7. Case of 12 disks could be grouped with group=3, group=4, or group=6.
Group=4 was set by default as it provides best net capacity and performance.
Case of 15 disks could be grouped with group=3 or group=5. And case
of 16 disks could be grouped with group=4 and group=8.</p>
</dd>
<dd>
<p>Note that the supported group number indicated depends on the number of ports
on the controller. group=16 is the maximum and it is available on the 9690SA
and 9750 controllers only.</p>
</dd>
<dd>
<p><strong>noscan</strong> attribute instructs CLI not to notify OS of creation of the new unit.
By default CLI will inform the OS. One application of this feature is to avoid
the OS from creating block special devices such as /dev/sdb and /dev/sdc as some
implementations might create naming fragmentation and creating a moving target.</p>
</dd>
<dd>
<p><strong>nocache</strong> or <strong>nowrcache</strong> attribute instructs CLI to disable the write cache
on the newly created unit. Enabling the write cache increases performance at
the cost of high-availability. No caching is recommended when no BBU or UPS
is installed. The system default for the write cache is enable. If a BBU or
UPS is not installed, to avoid possibility of data loss in the event of sudden
power loss, it is recommended that nocache or nowrcache be specified.</p>
</dd>
<dd>
<p><strong>nordcache</strong> attribute instructs CLI to disable the read cache on the newly
created unit. Enabling the read cache increases performance. The <strong>rdcachebasic</strong>
attribute instructs CLI to set the read cache mode on the newly created unit
to <em>Basic</em>. Please note that it is not necessary to include any read cache
attribute if you wish to select the <em>Intelligent</em> mode of Read Cache, since
the system default is Read Cache Intelligent. See ``/cx/ux set rdcache'' for
more information.</p>
</dd>
<dd>
<p><strong>autoverify|noautoverify</strong> attribute enables or disables, respectively, the
autoverify attribute on the unit that is to be created. For more details on this
feature, refer to the <em>/cx/ux set autoverify</em> command section of this document.
This feature is not supported on controller models 7000/8000. For the 9650SE,
9690SA, and 9750 controllers that support Basic Verify, autoverify will be set
to ON by default for the new unit to be created. For other 9000 series controllers
that do not support Basic Verify, autoverify is set to OFF by default for the new
unit. The following table should help clarify regarding the defaults:</p>
</dd>
<dd>
<pre>
---------------------+--------------------+----------------------
&quot;ADD&quot; COMMAND | 9550SX AND HIGHER | 9650SE AND HIGHER
ATTRIBUTE | (No BV support) | (has BV support)
---------------------+--------------------+----------------------
None specified | |
(i.e., use default) | autoverify = OFF | autoverify = ON
---------------------+--------------------+----------------------
autoverify | Enables AutoVerify |
| autoverify = ON | No effect*
---------------------+--------------------+----------------------
noautoverify | | Enables AutoVerify
| No effect* | autoverify = ON
---------------------+--------------------+----------------------
*No effect means that, issuing the add command attribute of that row would
be the same as not issuing any attribute and using the default.</pre>
</dd>
<dd>
<p><strong>Note</strong>: while there is no reason to issue both <em>autoverify</em> and <em>noautoverify</em>
together at unit creation, CLI allows you to do so. Keep in mind however, that
in this case, only the last value specified would be used. That is, for
example, if you specified the command '/c0 add type=raid5 disk=0-2 autoverify
noautoverify', then you are essentially specifying that 'autoverify=OFF' for /c0.</p>
</dd>
<dd>
<p><strong>noqpolicy</strong> attribute instructs CLI to disable the qpolicy (drive queuing) on the
newly created unit. The default qpolicy is <em>on</em> (i.e., noqpolicy is not specified).
For the spare unit, drive queueing is not meaningful and the qpolicy cannot
be set. During unit creation, specifying <em>noqpolicy</em> for spare returns an error.</p>
</dd>
<dd>
<p><strong>ignoreECC</strong> attribute enables the ignoreECC/OverwriteECC attribute on the unit
that is to be created. For more details on this feature, refer to <em>/cx/ux set</em>
commands section of this document. The following table illustrates the supported
Model / Unit Type. This table only applies to setting this feature at unit creation
time. Generally, ignoreECC applies to redundant units.</p>
</dd>
<dd>
<pre>
Model | Raid0 | Raid1 | Raid5 | Raid6 | Raid10 | JBOD | Spare | Raid50 | Single |
--------+-------+-------+-------+-------+--------+------+-------+--------+--------+
7K/8K | N | N | N | N/A | N | N | N | N | N |
--------+-------+-------+-------+-------+--------+------+-------+--------+--------+
9K | N | Y | Y | N/A | Y | N | N | Y | N |
--------+-------+-------+-------+-------+--------+------+-------+--------+--------+
9650SE | N | Y | Y | Y | Y | N | N | Y | N |
and | | | | | | | | | |
higher | | | | | | | | | |
--------+-------+-------+-------+-------+--------+------+-------+--------+--------+</pre>
</dd>
<dd>
<p><strong>name=string</strong> attribute allows user to name the new unit. The maximum characters
allowed for the string are 21. No space is allowed within the string. If user likes
to use some special characters which the OS command shell reserves such as '&lt;', '&gt;',
'!', and '&amp;', etc in the name string, the user has to use quote ``'' around the name
string in order to bypass the command shell. User can change the name of the unit
any time after the unit creation. This is a feature for 9000 or above series of
controllers. Please refer to commands <em>/cx/ux set name=sting</em> for changing the
name and <em>/cx/ux show name</em> for checking.</p>
</dd>
<dd>
<p><strong>storsave=protect|balance|perform</strong> attribute allows user to set the storsave policy
of the new unit. This feature is for controller models 9550SX and higher only. Please
refer to the command <em>/cx/ux set storsave=protect|balance|perform</em> for detail.</p>
</dd>
<dd>
<p>Either the <strong>v0=n</strong> or <strong>vol=a:b:c:d</strong> attribute may be used to set the size of the
first volume or (up to) the first 4 volumes of the new unit, respectively. The
first volume may, but not necessarily, be the boot LUN. The <code>value(s)</code> should be
positive <code>integer(s)</code> in units of gigabytes (GB). Zero (0) is an invalid LUN
size input value. The upper user input limit is 32TB. Note that there
are two ways to set the first volume, as either v0=n or vol=n would have the
same effect.</p>
</dd>
<dd>
<p><strong>Note:</strong> If the total size of the specified volumes (up to 4) exceeds the
size of the array, the <code>volume(s)</code> of <code>size(s)</code> that exceeded the array boundary
will not be carved.</p>
</dd>
<dd>
<p>Example (RAID-5 being created with the first volume size set to 10 GB):</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 add type=raid5 disk=2-5 v0=10</pre>
</dd>
<dd>
<pre>
Creating new unit on Controller /c0 ... Done. The new unit is /c0/u0.
Setting write cache=ON for the new unit ... Done.
Setting default Command Queuing Policy for unit /c0/u0 to [on] ... Done.</pre>
</dd>
<dd>
<p>After the unit creation, a subsequent ``show'' command for the unit would show
the volume sizes:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u0 RAID-5 OK - - - 64K 1117.56
u0-0 DISK OK - - p2 - 372.519
u0-1 DISK OK - - p3 - 372.519
u0-2 DISK OK - - p4 - 372.519
u0-3 DISK OK - - p5 - 372.519
u0/v0 Volume - - - - - 10
u0/v1 Volume - - - - - 1107.56</pre>
</dd>
<dd>
<p>Example (RAID-0 being created with the volume sizes set to 45, 20, 50, and
12 GB):</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3 add type=raid0 disk=0-1 vol=45:20:50:12</pre>
</dd>
<dd>
<pre>
Creating new unit on controller /c3 ... Done. The new unit is /c3/u0.
Setting write cache=ON for the new unit ... Done.
Setting default Command Queuing Policy for unit /c3/u0 to [on] ... Done.</pre>
</dd>
<dd>
<p>After the unit creation, a subsequent ``show'' command for the unit would show
the volume sizes:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3/u0 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M VPort Stripe Size(GB)
------------------------------------------------------------------------
u0 RAID-0 OK - - - 64K 298.002
u0-0 DISK OK - - p0 - 149.001
u0-1 DISK OK - - p1 - 149.001
u0/v0 Volume - - - - - 45
u0/v1 Volume - - - - - 20
u0/v2 Volume - - - - - 50
u0/v3 Volume - - - - - 12
u0/v4 Volume - - - - - 171.002</pre>
</dd>
<dd>
<p>The attribute <strong>rapidrecovery</strong> specifies the Rapid RAID Recovery setting for
the unit to be created. Rapid RAID Recovery can speed up the rebuild
process, and it can speed up the initialize and verify tasks for redundant
arrays in the RAID system upon the event of an unclean system shutdown.
This feature allows for expedited boot-up time in the event of an unclean
shutdown. Setting this option to <em>all</em> applies the policy to the rebuild,
initialize and verify tasks at reboot. Setting it to <em>rebuild</em> applies the
policy to the rebuild tasks only. If the policy is set to <em>disable</em>, then
none of the tasks would be sped up.</p>
</dd>
<dd>
<p><strong>Note:</strong> Once this attribute is set, the policy setting is persistent in the
system until it is disabled. Also, once disabled, that setting could not be
changed for that unit at a later time.</p>
</dd>
<dd>
<p><strong>Note:</strong> This attribute is for controller models 9750, 9690SA and 9650SE (with
supporting firmware), and is for redundant arrays only. In addition,
Rapid RAID Recovery is not supported over migration.</p>
</dd>
<dd>
<p><strong>Note:</strong> The default setting of Rapid RAID Recovery is 'all' for redundant
arrays. For non-redundant arrays the default is disabled.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_rescan__5bnoscan_5d"><em>/cx</em> <strong>rescan</strong> [<em>noscan</em>]</a></strong><br />
</dt>
<dd>
This command instructs the controller to rescan all ports and reconstitute
all units. The controller will update its list of ports (attached disks), and visits
every DCB (Disk Configuration Block) in order to re-assemble its view and
awareness of logical units. Any newly found <code>unit(s)</code> or <code>drive(s)</code> will be listed.
<em>noscan</em> is used to not inform the OS of the unit discovery. Default is to inform
the OS.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 rescan</pre>
</dd>
<dd>
<pre>
Rescanning controller /c1 for units and drives ...Done.
Found following unit(s): [/c1/u3].
Found following drive(s): [/c1/p7, /c1/p8].</pre>
</dd>
<dd>
<p>Note: Does not import non-JBOD on 7000/8000 models.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_commit"><em>/cx</em> <strong>commit</strong></a></strong><br />
</dt>
<dd>
This command instructs the controller to commit its dirty DCBs to
persistent storage (ie disks). While controller is processing I/O requests
against underlying disks, an in-transaction bit is set. If a failure (such
as power failure) is experienced, subsequent read from the disks, will inform
the controller that an un-clean shutdown took place. This command allows the
end user to complete all pending I/Os on disks and clear the in-transaction
bit.
</dd>
<dd>
<p>Typical application of this feature is when an application is using a given
unit in raw mode (such as databases) and user would like to shutdown the
host (Including UPS post failure automations). This command can then expedite
the process by instructing the controller to finish pending requests, clear
DCB's in-transaction flag as we are going down.</p>
</dd>
<dd>
<p>Note that block devices (cooked devices) do not require this and clients of
block devices (such as file systems) will send its own shutdown request to the
devices.</p>
</dd>
<dd>
<p>This command only applies to Windows operating system.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_flush"><em>/cx</em> <strong>flush</strong></a></strong><br />
</dt>
<dd>
This command allows you to flush the write cache on all units associated with
the <em>/cx</em> controller
</dd>
<p></p>
<dt><strong><a name="item__2fcx_update_fw_3dfilename_with_path__5bforce_5d"><em>/cx</em> <strong>update</strong> <em>fw=filename_with_path</em> [<em>force</em>]</a></strong><br />
</dt>
<dd>
This command allows the download of the specified firmware image to the corresponding
controller. This command is for 9000 series controllers only.
</dd>
<dd>
<p><strong>fw=filename_with_path</strong> attribute allows the user to specify the firmware image file
name along with its path. Please note that <em>filename_with_path</em> could not have
spaces in the directory names of its path (as Windows would allow).</p>
</dd>
<dd>
<p>The new image specified by <em>filename_with_path</em> will be checked for compatibility
with the current controller, current driver and current application versions.
Subsequently a recommendation is given to the user followed by a prompt to continue.
Once the user decides to proceed, the image will be downloaded to the controller.
However, a reboot is required for the new image to take effect.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c2 update fw=/tmp/prom0006.img</pre>
</dd>
<dd>
<pre>
Warning: Updating the firmware can render the device driver and/or
management tools incompatible. Before you update the firmware,
it is recommended that you:</pre>
</dd>
<dd>
<pre>
1) Back up your data.</pre>
</dd>
<dd>
<pre>
2) Make sure you have a copy of the current firmware image so that
you can roll back, if necessary.</pre>
</dd>
<dd>
<pre>
3) Close all applications.</pre>
</dd>
<dd>
<pre>
Examining compatibility data from firmware image and /c2 ... Done.</pre>
</dd>
<dd>
<pre>
New-Firmware Current-Firmware Current-Driver Current-API
----------------------------------------------------------------------
FE9X 3.05.00.005 FE9X 3.05.00.005 2.26.04.007 2.01.00.008</pre>
</dd>
<dd>
<pre>
Current firmware version is the same as the new firmware.
Recommendation: No need to update.</pre>
</dd>
<dd>
<pre>
Given the above recommendation...
Do you want to continue ? Y|N [N]: y
Downloading the firmware from file /tmp/prom0006.img ... Done.
The new image will take effect after reboot.</pre>
</dd>
<dd>
<p>The <strong>force</strong> attribute is optional. With it the warning message is suppressed, as
well as the prompt to proceed. Compatibility checks are not bypassed. If the
image to be downloaded is not compatible, an error message will be shown. If
the image to be downloaded is compatible, a message will indicate the downloading
of the image.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_events__5breverse_5d"><em>/cx</em> <strong>show</strong> <em>events</em> [<em>reverse</em>]</a></strong><br />
</dt>
<dt><strong><a name="item__2fcx_show_aens__5breverse_5d"><em>/cx</em> <strong>show</strong> <em>AENs</em> [<em>reverse</em>]</a></strong><br />
</dt>
<dt><strong><a name="item__2fcx_show_alarms__5breverse_5d"><em>/cx</em> <strong>show</strong> <em>alarms</em> [<em>reverse</em>]</a></strong><br />
</dt>
<dd>
Asynchronous events or AENs (Asynchronous Event Notifications) of the controller,
also known as 'controller alarms', are originated by firmware and captured by
their respective device drivers. These events are kept in a finite queue inside
the kernel, awaiting extraction by user space programs such as CLI and/or 3DM2.
These events reflect messages of varying severity levels. The levels range
in order of severity: INFO, WARNING, and ERROR, respectively.
</dd>
<dd>
<p>Controller Events or Alarms generated on the 7000/8000 series controllers do not
have dates, as such a dash ('-') indicating 'read not-applicable' is displayed
in the ``Date'' column. Also, with the 7000/8000 series controllers, the event
message contains the severity as well, hence the ``Severity'' column shows a '-'
also.</p>
</dd>
<dd>
<p>This command displays all available events on a given controller. The default
listing order is 'ascending'; that is, the later the alarm or event message the
further down in the list or table it appears in. Likewise, the older the event
message the earlier it is in the table. The order of the messages could be
reversed with the attribute <em>reverse</em>. With this the most recent AEN message
would appear at the top of the table.</p>
</dd>
<dd>
<p>Typical output looks like:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 show events</pre>
</dd>
<dd>
<pre>
Ctl Date Severity AEN Message
------------------------------------------------------------------------------
c0 [Fri Mar 21 2008 14:19:00] WARNING Drive removed: port=1
c0 [Fri Mar 21 2008 14:19:00] ERROR Degraded unit: unit=1, port=1
c0 [Fri Mar 21 2008 14:19:25] INFO Drive inserted: port=1
c0 [Fri Mar 21 2008 14:19:25] INFO Unit operational: unit=1
c0 [Fri Mar 21 2008 14:28:18] INFO Migration started: unit=0
c0 [Sat Mar 22 2008 05:16:49] INFO Migration completed: unit=0
c0 [Tue Apr 01 2008 12:34:02] WARNING Drive removed: port=1
c0 [Tue Apr 01 2008 12:34:22] ERROR Unit inoperable: unit=1
c0 [Tue Apr 01 2008 12:34:23] INFO Drive inserted: port=1
c0 [Tue Apr 01 2008 12:34:23] INFO Unit operational: unit=1</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_diag"><em>/cx</em> <strong>show</strong> <em>diag</em></a></strong><br />
</dt>
<dd>
This command extracts controller diagnostic information as output for technical
support usage and reference. The report contains a summary of the controller's
technical information (such as host name, host architecture, operating system
version, controller model, controller ID, etc.), followed by diagnostic
information of the controller.
</dd>
<dd>
<p>A small section showing event trigger and log information is shown for
controller models 9650SE or higher with release 9.5.3 or higher firmware. This
section shows the diagnostic event log save mode type with three diagnostic
event counters. These diagnostic events are controller soft reset, firmware
reset, and drive error.</p>
</dd>
<dd>
<p>For controller models 9550SX and older, or firmware version of release 9.5.2
or older, the diagnostic trigger and log section is either not shown or
indicates 'N/A' for the mode and counter values.</p>
</dd>
<dd>
<p>Typical output (for model 9650SE/higher and running 9.5.3/higher release)
looks like the following:</p>
</dd>
<dd>
<pre>
//dhcp-147-145-95-103&gt; /c2 show diag</pre>
</dd>
<dd>
<pre>
### Time Stamp: 18:51:11 31-May-2011
### Host Name: dhcp-147-145-95-103
### Host Architecture: x86_64 (64 bit)
### OS Version: Linux 2.6.11-1.1369_FC4smp
### Model: G133e/AstorElx
### Serial #: 3ware Internal Use
### Controller ID: 2
### CLI Version: 2.00.11.018
### API Version: 2.08.00.022
### Driver Version: 2.26.06.001
### Firmware Version: FH9X 4.10.00.001
### BIOS Version: BE9X 4.08.00.002
### Available Memory: 448MB</pre>
</dd>
<dd>
<pre>
==========================================================================
Diagnostic Information on Controller //dhcp-147-145-95-103/c2 ...
--------------------------------------------------------------------------
Event Trigger and Log Information:
Triggered Event(s) =
ctlreset (controller soft reset)
fwassert (firmware assert)
driveerr (drive error)
Diagnostic log save mode = cont (continuous/last trigger)
Diagnostic event trigger counter = 1
Trigger event counter for ctlrreset = 0
Trigger event counter for fwassert = 0
Trigger event counter for driveerr = 5
--------------------------------------------------------------------------</pre>
</dd>
<dd>
<pre>
SAS Amp|Pre[0] 0x0500|26
SATA Amp|Pre[0] 0x0400|26
RxDetectionThreshold[0] = 0xd2
SAS Amp|Pre[1] 0x0500|26
SATA Amp|Pre[1] 0x0400|26
RxDetectionThreshold[1] = 0xd2
EPCT file not found in flash.
Auto detecting enclosures ...
Rollcall, Begin : find drives
Inventory done, port=0
Inventory done, port=2
Inventory done, port=1
Assigning drive handle 6 to port 0
Assigning drive handle 2 to port 1
Assigning drive handle 3 to port 2
Associate slots: Rollcall, Waiting to start DCB read
--PortHandle[ 0] DriveHandle[ 6] phy: 6
DIT status: DRV_PRESENT (0xFF)
Drv type: SSP Direct
Model #: SEAGATE ST31000640SS
Serial #: 9QJ2NN8Q
Drv FW #: 0004
Capacity: 1953525167 (0x0000000074706DAF) (~931 GB)
drv ports: Supported 2, Connected : 1
WWN: 5000c5000d32ee9c
sasAddr1: 5000c5000d32ee9d
sasAddr2: 5000c5000d32ee9e
WriteSame: 1
Pwr On Hrs: 12760, Realloc Sct: 12, Temp (\uffffC): 23
Link Speed: Supported=0x3 (1.5 Gbs to 3.0 Gbs) Current=0x2 (3.0 Gbs)
Spndle Spd: 7200
:
:
:
:</pre>
</dd>
<dd>
<p>It is recommended that you save the output to a file, where it can be used
to communicate with tech support, or used for further analysis with
Linux utilities like od(1).</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
$ tw_cli /c0 show diag &gt; diag.txt</pre>
</dd>
<dd>
<p>Please note that some characters may not be printable or may not render
correctly.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_phy"><em>/cx</em> <strong>show</strong> <em>phy</em></a></strong><br />
</dt>
<dd>
This command is for the 9650SE with Release 9.5.2 or later, and the 9690SA
or newer controllers only. It reports a list of phys with related information
for the specified controller. The 'Device Type' column indicates whether
the connected device is an enclosure, or a drive of type SATA or SAS. The
'Device' column is the device ID or handle. There are three 'Link Speed'
columns: 'Supported' denotes the link speed capability of the phy/device,
'Enable' denotes the current link speed setting, and 'Control' denotes the
link control setting.
</dd>
<dd>
<p>looks like the following
Example of 9690SA-8E connected to drives in an enclosure:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3 show phy
Device --- Link Speed (Gbps) ---
Phy SAS Address Type Device Supported Enabled Control
-----------------------------------------------------------------------------
phy0 500050e000030232 ENCL N/A 1.5-3.0 3.0 Auto
phy1 500050e000030232 ENCL N/A 1.5-3.0 3.0 Auto
phy2 500050e000030232 ENCL N/A 1.5-3.0 3.0 Auto
phy3 500050e000030232 ENCL N/A 1.5-3.0 3.0 Auto
phy4 500050e000030236 ENCL N/A 1.5-3.0 3.0 Auto
phy5 500050e000030236 ECNL N/A 1.5-3.0 3.0 Auto
phy6 500050e000030236 ENCL N/A 1.5-3.0 3.0 Auto
phy7 500050e000030236 ECNL N/A 1.5-3.0 3.0 Auto</pre>
</dd>
<dd>
<p>In the above example, for phy1, the link speeds supported are 1.5 and 3.0 Gpbs.
The current link speed for phy1 is 3.0 Gpbs, and the link control setting is
'Auto'. The link control setting could be either 1.5, 3.0, or Auto. 'Auto'
denotes Automatic Negotiation, where the best negotiated speed possible for
that link will be used.</p>
</dd>
<dd>
<p>Example of 9690SA-8I with directly attached drives:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3 show phy</pre>
</dd>
<dd>
<pre>
Device --- Link Speed (Gbps) ---
Phy SAS Address Type Device Supported Enabled Control
-----------------------------------------------------------------------------
phy0 500050e000000002 SATA /c3/p0 1.5-3.0 3.0 Auto
phy1 500050e000000002 SATA /c3/p1 1.5-3.0 3.0 Auto
phy2 500050e000000002 SATA /c3/p2 1.5-3.0 3.0 Auto
phy3 500050e000000002 SATA /c3/p3 1.5-3.0 3.0 Auto
phy4 - - - - - -
phy5 - - - - - -
phy6 500050e000000006 SAS /c3/p6 1.5-3.0 3.0 Auto
phy7 - - - - - -</pre>
</dd>
<dd>
<p><strong>Note:</strong> There is no ``/cx set phy'' command. Moreover, the only changeable
setting for phy is link speed. To change the link speed, see the
<em>/cx/phyx set link</em> command. To see information for an individual
phy only, use <em>/cx/phyx show</em>. These commands are in the ``Phy Object
Messages'' section.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_rebuild"><em>/cx</em> <strong>show</strong> <em>rebuild</em></a></strong><br />
</dt>
<dd>
Model 9000 series controllers support background tasks such as rebuild, verify,
or self test activities. For each activity, up to 7 tasks can be registered,
known as slots 1 through 7. Each task activity can be managed by a set of
commands including <em>add</em>, <em>del</em>, <em>show</em> and <em>set</em>. Background tasks have
a slot id, start day, hour, duration, and status attributes.
</dd>
<dd>
<p>Rebuild activity attempts to (re)synchronize all members of redundant units
such as RAID-1, RAID-10, RAID-5 and RAID-50. Rebuilds can be started manually
or automatically if a spare has been defined. Scheduled rebuilds will take
place during the scheduled window, if enabled.</p>
</dd>
<dd>
<p>This command displays the current rebuild background task schedule as
illustrated below.</p>
</dd>
<dd>
<pre>
$ tw_cli /c1 show rebuild</pre>
</dd>
<dd>
<pre>
Rebuild Schedule for Controller /c1
========================================================
Slot Day Hour Duration Status
--------------------------------------------------------
1 Mon 2:00pm 10 hr(s) disabled
2 Thu 7:00pm 18 hr(s) disabled
3 - - - -
4 - - - -
5 - - - -
6 Mon 1:00am 4 hr(s) disabled
7 Sun 12:00am 1 hr(s) disabled</pre>
</dd>
<dd>
<p>The status of <em>disabled</em> denotes that the controller will not use the scheduled
time slots.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_rebuildmode"><em>/cx</em> <strong>show</strong> <em>rebuildmode</em></a></strong><br />
</dt>
<dd>
This command shows the current rebuild mode setting of the specified controller.
The rebuild mode has two settings: ``Adaptive'' and ``Low latency''.
</dd>
<dd>
<p>The Adaptive setting tells the controller to keep its current background activity
task policy and it is the default. The Low Latency setting ``throttles'' the
background task and allow host Reads to complete, thus improves performance in
the situation when a rebuild background task is active with the task rate has
been set to high (that is, low I/O rate).</p>
</dd>
<dd>
<p>This command is associated with the rebuild task rate, please also see /cx show
rebuildrate.</p>
</dd>
<dd>
<p>This command is supported on the 9650SE controller with Release 9.5.2 or later
and for the 9690SA and higher model controllers.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 show rebuildmode
/c1 Rebuild background task mode = Low Latency</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx set rebuildmode=&lt;adaptive|lowlatency&gt;
/cx set rebuildrate=&lt;1..5&gt;
/cx show rebuildrate</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_rebuildrate"><em>/cx</em> <strong>show</strong> <em>rebuildrate</em></a></strong><br />
</dt>
<dd>
The execution priority relative to I/O operations for the rebuild background task
is the rebuild task rate. This command shows the current rebuild task rate of the
specified controller.
</dd>
<dd>
<p>This task rate is of the range [1..5], where 5 denotes the setting of fastest
background task and slowest I/O, as follows:</p>
</dd>
<dd>
<pre>
5 = fastest rebuild; slowest I/O
4 = faster rebuild; slower I/O
3 = balanced between rebuild and I/O
2 = faster I/O; slower rebuild
1 = fastest I/O; slowest rebuild</pre>
</dd>
<dd>
<p>This command applies to the 7000, 8000, and 9000 models controllers.</p>
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 show rebuildrate
/c1 Rebuild background task rate = 4 (faster rebuild; slower I/O)</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx set rebuildrate=&lt;1..5&gt;
/cx set rebuildmode=&lt;adaptive|lowlatency&gt;
/cx show rebuildmode</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_verify"><em>/cx</em> <strong>show</strong> <em>verify</em></a></strong><br />
</dt>
<dd>
Verify is one of the supported background tasks, and this command displays the
current verify schedule.
</dd>
<dd>
<p>For the 9650SE and newer RAID controllers, the Verify Task Schedule can be either
<strong>basic</strong> or <strong>advanced</strong> (For details about the two types and the associated
commands, please see the 'Features' section.) The basic Verify Task Schedule
sets a weekly day and time for verification to occur, and is designed to be
used with unit auto-verify. The advanced Verify Task Schedule provides
more control, and is equivalent to the Verify Task Schedule available for
9550SX and earlier RAID controllers.</p>
</dd>
<dd>
<p>For the advanced Verify Task Schedule, up to 7 time periods can be registered,
known as timeslots (or simply slots) 1 through 7. This task schedule can be
managed by a set of commands including <em>add</em>, <em>del</em>, <em>show</em> and <em>set</em>. The task
schedule has a slot id, start-day-time, duration, and status attributes. Rebuild
follow similar background task schedules.</p>
</dd>
<dd>
<p>For details about setting up a schedule for verify tasks, see <em>/cx set verify</em>.</p>
</dd>
<dd>
<p>Verify activity attempts to verify all units based on their unit type. Verifying
RAID-1 involves checking that both drives contain the exact data. On RAID-5 and
RAID-6, the parity information is used to verify data integrity. RAID-10 and 50
are composite types and follow their respective array types. On the 9000 series,
non-redundant units such as RAID-0, JBOD, single, and spare, are also verified
(by reading and reporting un-readable sectors).</p>
</dd>
<dd>
<p>Example 1:
For the 9550SX and older controllers, and when verify=advanced for the 9650SE and
newer controllers, the show verify command displays the current verify background
task schedule as illustrated below.</p>
</dd>
<dd>
<pre>
$ tw_cli /c1 show verify</pre>
</dd>
<dd>
<pre>
Verify Schedule for Controller /c1
========================================================
Slot Day Hour Duration Status
--------------------------------------------------------
1 Mon 2:00am 4 hr(s) disabled
2 - - - -
3 Tue 12:00am 24 hr(s) disabled
4 Wed 12:00am 24 hr(s) disabled
5 Thu 12:00am 24 hr(s) disabled
6 Fri 12:00am 24 hr(s) disabled
7 Sat 12:00am 24 hr(s) disabled</pre>
</dd>
<dd>
<p>The status of <em>disabled</em> denotes that the controller will not use the scheduled
time slots.</p>
</dd>
<dd>
<p>Example 2:
For the 9650SE and newer controllers, if the <strong>basic</strong> Verify Task Schedule is
selected, the show verify command displays the following:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 show verify
/c1 basic verify weekly preferred start: Friday 12:00am</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_verifymode"><em>/cx</em> <strong>show</strong> <em>verifymode</em></a></strong><br />
</dt>
<dd>
This command shows the current verify mode setting of the specified controller.
The verify mode has two settings: ``Adaptive'' and ``Low latency''.
</dd>
<dd>
<p>The Adaptive setting tells the controller to keep its current background activity
task policy and it is the default. The Low Latency setting ``throttles'' the
background task and allow host Reads to complete, thus improves performance in the
situation when a verify background task is active with the task rate has been set
to high (that is, low I/O rate).</p>
</dd>
<dd>
<p>This command is associated with the verify task rate, please also see /cx show
verifyrate.</p>
</dd>
<dd>
<p>This command is supported on the 9650SE controller with Release 9.5.2 or higher,
and for the 9690SA and higher model controllers.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 show verifymode
/c1 Verify background task mode = Low Latency</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx set verifymode=&lt;adaptive|lowlatency&gt;
/cx set verifyrate=&lt;1..5&gt;
/cx show verifyrate</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_verifyrate"><em>/cx</em> <strong>show</strong> <em>verifyrate</em></a></strong><br />
</dt>
<dd>
The execution priority relative to I/O operations for the verify background task
is the verify task rate. This command shows the current verify task rate of the
specified controller.
</dd>
<dd>
<p>This task rate is of the range [1..5], where 5 denotes the setting of fastest
background task and slowest I/O, as follows:</p>
</dd>
<dd>
<pre>
5 = fastest verify; slowest I/O
4 = faster verify; slower I/O
3 = balanced between verify and I/O
2 = faster I/O; slower verify
1 = fastest I/O; slowest verify</pre>
</dd>
<dd>
<p>This command applies to the 7000, 8000, and 9000 models controllers.</p>
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 show verifyrate
/c1 Verify background task rate = 4 (faster rebuild; slower I/O)</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx set verifyrate=&lt;1..5&gt;
/cx set verifymode=&lt;adaptive|lowlatency&gt;
/cx show verifymode</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_show_selftest"><em>/cx</em> <strong>show</strong> <em>selftest</em></a></strong><br />
</dt>
<dd>
Model 9000 series controllers support background tasks such as rebuild, verify,
and self test activities. For each activity, up to 7 tasks can be registered, known
as slots 1 through 7. Each activity can be managed by a set of commands including
<em>add</em>, <em>del</em>, <em>show</em> and <em>set</em> a task. Background tasks have attributes of
slot id, start-day-time, duration, and status.
</dd>
<dd>
<p>The selftest that would be performed is called SMART (Self Monitoring Analysis and Reporting).
The SMART selftest instructs the controller to check certain SMART supported thresholds
by the disk vendor. An AEN is logged to the alarms table if a drive reports a SMART
failure. The failing drive should be replaced if this error occurs.</p>
</dd>
<dd>
<p>This command displays the current selftest background task schedule as illustrated below.</p>
</dd>
<dd>
<pre>
$ tw_cli /c1 show selftest</pre>
</dd>
<dd>
<pre>
Selftest Schedule for Controller /c1
===========================================
Slot Day Hour SMART
-------------------------------------------
1 Sun 12:00am enabled
2 Mon 12:00am enabled
3 Tue 12:00am enabled
4 Wed 12:00am enabled
5 Thu 12:00am enabled
6 Fri 12:00am enabled
7 Sat 12:00am enabled</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_add_rebuild_3dddd_3ahh_3aduration"><em>/cx</em> <strong>add</strong> <em>rebuild=ddd:hh:duration</em></a></strong><br />
</dt>
<dd>
This command registers a new background rebuild task to the schedule, for execution
on the day of <em>ddd</em> (where ddd is Sun, Mon, Tue, Wed, Thu, Fri, and Sat), at the
hour of <em>hh</em> (range 0 .. 23), for a duration of <em>duration</em> (range 1 .. 24) hours.
This command will fail if no (empty) slot is available. In that case,
you would need to delete an existing slot before adding.
</dd>
<dd>
<p>For ``rebuild'' background task description, see command <strong>/cx show rebuild</strong>.</p>
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3 add rebuild=sun:16:3
Adding scheduled rebuild to slot 7 for [Sun, 4:00PM, 3hr(s)] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_add_verify_3dddd_3ahh_3aduration"><em>/cx</em> <strong>add</strong> <em>verify=ddd:hh:duration</em></a></strong><br />
</dt>
<dd>
This command registers a new task slot to the Verify Task Schedule on the day
of <em>ddd</em> (where <em>ddd</em> is Sun, Mon, Tue, Wed, Fri, or Sat), at the hour of <em>hh</em>
(range 0..23), for a duration of <em>duration</em> (range 1..24) hours. A
maximum of seven verify task slots can be included in the schedule. This
command will fail if no (empty) task slot is available. In that case,
you would need to delete an existing slot before adding.
</dd>
<dd>
<p><strong>Note:</strong> This Verify Task Schedule is used when '/cx set verify=advanced' for
the 9650SE with Release 9.5.2 or later, and 9690SA and higher model controllers,
and for the 9650SE with Release 9.5.1 or earlier and 9550SX or older controllers
when '/cx set verify=enabled'.</p>
</dd>
<dd>
<p><strong>Note:</strong> If you have a 9650SE with Release 9.5.2 or later, or a 9690SA or newer
controller, you may use the simpler <strong>basic</strong> verify schedule with the command
<em>/cx set verify=basic</em>. Simply specify a weekly day and time and make sure
that the auto-verify policy is set to ON for your RAID units. For more information
please see '/cx set verify=basic' or the section on Basic Verify in the
Features section of this document.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3 add verify=sun:23:2
Adding scheduled verify to slot 3 for [Sun, 11:00PM, 2hr(s)] ... Done.</pre>
</dd>
<dd>
<p>In the above example, a verify task slot is added to the schedule to be
executed in the 2-hour duration time window on Sundays at 11:00 PM.</p>
</dd>
<dd>
<p><strong>Note:</strong> Use the <em>/cx/ux set autoverify=on</em> command to turn on autoverify for
each unit you wish to follow the schedule.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_add_selftest_3dddd_3ahh"><em>/cx</em> <strong>add</strong> <em>selftest=ddd:hh</em></a></strong><br />
</dt>
<dd>
This command registers a new background <em>selftest</em> task to the schedule, for
executed on day of <em>ddd</em> (where ddd is Sun, Mon, Tue, Wed, Thu, Fri, and Sat),
at hour of <em>hh</em> (range 0 .. 23). Notice that selftest runs to completion and
as such no duration value is required. This command will fail if no (empty) slot
is available. In that case, you would need to delete an existing slot before
adding.
</dd>
<dd>
<p>For ``selftest'' background task description, see command <strong>/cx show selftest</strong>.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 add selftest=Sun:16
Adding scheduled verify to slot 7 for [Sun, 4:00PM] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_del_rebuild_3dslot_id"><em>/cx</em> <strong>del</strong> <em>rebuild=slot_id</em></a></strong><br />
</dt>
<dd>
This command will remove (or unregister) the rebuild background task in slot <em>slot_id</em>.
</dd>
<dd>
<p>For ``rebuild'' background task description, see command <strong>/cx show rebuild</strong>.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
$ tw_cli /c1 del rebuild=2
Removing scheduled rebuild slot [2] ... Done.</pre>
</dd>
<dd>
<p>WARNING: If all timeslots are removed, be sure to also disable the schedule.
Otherwise, no firmware initiated or manually started rebuild tasks would run.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_del_verify_3dslot_id"><em>/cx</em> <strong>del</strong> <em>verify=slot_id</em></a></strong><br />
</dt>
<dd>
This command will remove (or unregister) the verify background task in slot <em>slot_id</em>.
</dd>
<dd>
<p>For ``verify'' background task description, see command <strong>/cx show verify</strong>.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
$ tw_cli /c1 del verify=3
Removing scheduled verify slot [3] ... Done.</pre>
</dd>
<dd>
<p>WARNING: If all timeslots are removed, be sure to also disable the schedule.
Otherwise, no firmware initiated or manually started verify tasks would run.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_del_selftest_3dslot_id"><em>/cx</em> <strong>del</strong> <em>selftest=slot_id</em></a></strong><br />
</dt>
<dd>
This command will remove (or unregister) the selftest background
task in slot <em>slot_id</em>.
</dd>
<dd>
<p>For ``selftest'' background task description, see command <strong>/cx show selftest</strong>.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
$ tw_cli /c1 del selftest=3
Removing scheduled selftest slot [3] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_rebuild_3d_3cenable_7cdisable_7c1_2e_2e5"><em>/cx</em> <strong>set</strong> <em>rebuild=&lt;enable|disable|1..5</em>&gt;</a></strong><br />
</dt>
<dd>
This command will <em>enable</em> or <em>disable</em> all of the scheduled rebuild background
tasks on controller <em>/cx</em>. When enabled, only registered or scheduled tasks
will execute. Any previous on-demand (manually started) background tasks will
be ignored.
</dd>
<dd>
<p>This command also allows you to set the rebuild task rate. Setting this value to
5 implies that the rebuild will consume 100% of the controller's resource (cpu time,
I/O bandwidth) to complete its task. Conversely setting this value to 1 implies
that I/O operations has higher priority and the rebuild will consume minimal
resource. In other words:</p>
</dd>
<dd>
<pre>
5 = fastest rebuild; slowest I/O
4 = faster rebuild; slower I/O
3 = balanced between rebuild and I/O
2 = faster I/O; slower rebuild
1 = fastest I/O; slowest rebuild</pre>
</dd>
<dd>
<p>This command applies to 7000, 8000, and 9000 models controllers. For 7/8000 series,
the rebuild rate also applies to verify and mediascan tasks.</p>
</dd>
<dd>
<p>For ``rebuild'' background task description, see command <strong>/cx show rebuild</strong>.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_rebuildmode_3d_3cadaptive_7clowlatency_3"><em>/cx</em> <strong>set</strong> <em>rebuildmode=&lt;adaptive|lowlatency</em>&gt;</a></strong><br />
</dt>
<dd>
When a rebuild background task is active, if the task rate is set to high
(i.e., low I/O rate), the system latency increases and performance is negatively
affected. This command allows you to offset this condition by setting the rebuild
mode to low latency. This setting will ``throttle'' the background task and allow
host Reads to complete, thus improving performance.
</dd>
<dd>
<p>The rebuild mode has two settings: ``Adaptive'' and ``Low latency''. The Adaptive
setting tells the controller to keep its current background activity task policy
and it is the default. The Low Latency setting has been described above.</p>
</dd>
<dd>
<p>This command is associated with the rebuild task rate, please also see /cx set
rebuildrate.</p>
</dd>
<dd>
<p>This command is supported on the 9650SE controller with Release 9.5.2 or later,
and for the 9690SA and higher model controllers.</p>
</dd>
<dd>
<p><strong>Note:</strong> Setting rebuildmode to 'low latency' and rebuildrate to '1' is not recommended
when I/O is active, because in that case, the rebuild as a background task may never
complete. Thus, this setting should be used with care.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 set rebuildmode=lowlatency
Setting Rebuild background task mode on /c1 to [lowlatency] ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show rebuildmode
/cx set rebuildrate=&lt;1..5&gt;
/cx show rebuildrate</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_rebuildrate_3d_3c1_2e_2e5_3e"><em>/cx</em> <strong>set</strong> <em>rebuildrate=&lt;1..5</em>&gt;</a></strong><br />
</dt>
<dd>
The execution priority relative to I/O operations for the rebuild background task
is the rebuild task rate. The rebuild task rate set to ``fastest'' will consume all
of the controller's resources and will correspondingly deter I/O operations.
Accordingly, the converse is also true.
</dd>
<dd>
<p>This task rate is of the range [1..5], where 5 denotes the setting of fastest
background task and slowest I/O, as follows:</p>
</dd>
<dd>
<pre>
5 = fastest rebuild; slowest I/O
4 = faster rebuild; slower I/O
3 = balanced between rebuild and I/O
2 = faster I/O; slower rebuild
1 = fastest I/O; slowest rebuild</pre>
</dd>
<dd>
<p>This command applies to the 7000, 8000, and 9000 models controllers.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 set rebuildrate=2
Setting Rebuild background task rate on /c1 to [2] (faster I/O) ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show rebuildrate
/cx set rebuildmode=&lt;adaptive|lowlatency&gt;
/cx show rebuildmode</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_verify_3d_3cenable_7cdisable_7c1_2e_2e5_"><em>/cx</em> <strong>set</strong> <em>verify=&lt;enable|disable|1..5</em>&gt;</a></strong><br />
</dt>
<dd>
This command will <em>enable</em> or <em>disable</em> all of the scheduled verify background
tasks on controller <em>/cx</em>. When enabled, only registered or scheduled
tasks will execute. Any previous on-demand (manually started) background tasks
will be ignored.
</dd>
<dd>
<p>This command allows you to set the verify task rate. Setting this value to 5
implies that the verify will consume 100% of the controller's resource (cpu time,
I/O bandwidth) to complete its task. Conversely setting this value to 1 implies
that I/O operations has higher priority and the verify will consume minimal
resource. In other words:</p>
</dd>
<dd>
<pre>
5 = fastest verify; slowest I/O
4 = faster verify; slower I/O
3 = balanced between verify and I/O
2 = faster I/O; slower verify
1 = fastest I/O; slowest verify</pre>
</dd>
<dd>
<p>Note that this feature only applies to 9000 and higher controller models.</p>
</dd>
<dd>
<p>For ``verify'' background task description, see command <strong>/cx show verify</strong>.</p>
</dd>
<dd>
<p><strong>Note:</strong> Enabling verify with this command is equivalent to using the
'/cx set verify=advanced' command for 9650SE and 9690SA controllers. For
9650SE and higher model controllers, disabling verify with this command is
equivalent to using the '/cx set verify=basic' command without specifying
a preferred start day and time (the default of Friday midnight/Saturday
morning is used.)</p>
</dd>
<dd>
<p><strong>Note:</strong> If you want verify to occur automatically, when enabling the
verify schedule you must also remember to enable the autoverify setting for
the units to be verified. For more information, see the command
'/cx/ux set autoverify'.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_verify_3d_3cadvanced_7cbasic_7c1_2e_2e5_"><em>/cx</em> <strong>set</strong> <em>verify=&lt;advanced|basic|1..5</em>&gt;</a></strong><br />
</dt>
<dd>
This command only applies to controller models 9750, 9690SA and 9650SE with
Release 9.5.2 or later.
</dd>
<dd>
<p>This command is effectively the same as the 'set verify' command.
Setting verify to <em>advanced</em> enables the Verify Tasks Schedule, which
can include a series of up to 7 days and times. Setting <em>verify</em> to
<em>basic</em> creates a weekly schedule with one specific day and time, and
disables the series of scheduling slots associated with the advanced
verify task schedule.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_verify_3d_3cbasic__5bpref_3dddd_3ahh_5d_"><em>/cx</em> <strong>set</strong> <em>verify=&lt;basic</em> [pref=ddd:hh]&gt;</a></strong><br />
</dt>
<dd>
This command only applies to 9650SE and higher model controllers.
</dd>
<dd>
<p>Using the verify=basic option allows you to set a basic verify schedule
that starts each week at the same date and time. With verify=basic, you
can specify your preferred day and time, or use the default weekly schedule
of Friday midnight/Saturday morning.
</p>
</dd>
<dd>
<pre>
When you set verify=basic, the table of scheduled time slots associated with
the advanced Verify Task Schedule is ignored.</pre>
</dd>
<dd>
<p>Verify=basic is intended to be used with the auto-verify policy for RAID
units, to insure that a unit verify process occurs on a regular
basis. Also, for this reason, in systems that support Basic Verify,
auto-verify is set to ON by default.</p>
</dd>
<dd>
<p><strong>Note:</strong> When verify=basic, if you start a manual verify, it will start
immediately. When verify=advanced, if you start a manual verify, it will
follow the advanced Verify Task Schedule. For more information, see
<em>/cx/ux start verify</em>.</p>
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3 set verify=basic pref=Fri:23
Setting /c3 basic verify preferred start time to [Fri, 11:00PM] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_verifymode_3d_3cadaptive_7clowlatency_3e"><em>/cx</em> <strong>set</strong> <em>verifymode=&lt;adaptive|lowlatency</em>&gt;</a></strong><br />
</dt>
<dd>
When a verify background task is active, if the task rate is set to high (i.e.,
low I/O rate), the system latency increases and performance is negatively affected.
This command allows you to offset this condition by setting the rebuild mode to low
latency. This setting will ``throttle'' the background task and allow host Reads to
complete, thus improving performance.
</dd>
<dd>
<p>The verify mode has two settings: ``Adaptive'' and ``Low latency''. The Adaptive
setting tells the controller to keep its current background activity task policy
and it is the default. The Low Latency setting has been described above.</p>
</dd>
<dd>
<p>This command is associated with the verify task rate, please also see
<em>/cx set verifyrate</em>.</p>
</dd>
<dd>
<p>This command is supported on the 9650SE controller with Release 9.5.2 or later
and for the 9690SA and higher model controllers.</p>
</dd>
<dd>
<p><strong>Note:</strong> Setting verifymode to 'low latency' and verifyrate to '1' is not recommended
when I/O is active, because in that case, the verify as a background task may never
complete. Thus, this setting should be used with care.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 set verifymode=lowlatency
Setting Verify background task mode on /c1 to [lowlatency] ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show verifymode
/cx set verifyrate=&lt;1..5&gt;
/cx show verifyrate</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_verifyrate_3d_3c1_2e_2e5_3e"><em>/cx</em> <strong>set</strong> <em>verifyrate=&lt;1..5</em>&gt;</a></strong><br />
</dt>
<dd>
The execution priority relative to I/O operations for the verify background task
is the verify task rate. The verify task rate set to ``fastest'' will consume all
of the controller's resources to complete the task and will correspondingly deter
I/O operations. Accordingly, the converse is also true.
</dd>
<dd>
<p>This task rate is of the range [1..5], where 5 denotes the setting of fastest
background task and slowest I/O, as follows:</p>
</dd>
<dd>
<pre>
5 = fastest verify; slowest I/O
4 = faster verify; slower I/O
3 = balanced between verify and I/O
2 = faster I/O; slower verify
1 = fastest I/O; slowest verify</pre>
</dd>
<dd>
<p>This command applies to the 7000, 8000, and 9000 models controllers.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1 set verifyrate=2
Setting Verify background task rate on /c1 to [2] (faster I/O) ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show verifyrate
/cx set verifymode=&lt;adaptive|lowlatency&gt;
/cx show verifymode</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_selftest_3denable_7cdisable"><em>/cx</em> <strong>set</strong> <em>selftest=enable|disable</em></a></strong><br />
</dt>
<dd>
This command will <em>enable</em> or <em>disable</em> the SMART selftest task on
on the specified controller <em>/cx</em>. When enabled, the selftest task will be
performed during a scheduled timeslot.
</dd>
<dd>
<p>For ``selftest'' background task description, see command <em>/cx show selftest</em>.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt;&gt;/c2 set selftest=enable
Sending commands to enable all selftests ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item_follow"><em>/cx</em> <strong>set</strong> <em>ondegrade=cacheoff|follow</em> (9500S only)</a></strong><br />
</dt>
<dd>
This command allows you to set a controller based write cache policy. If the policy
is set to <em>cacheoff</em>, then if a unit is degraded, firmware will disable
the write-cache on the degraded unit, regardless of what the unit-based policy
is. If the policy is set to <em>follow</em>, then if a unit is degraded, firmware will
follow whatever policy has been set for that unit.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_spinup_3dnn"><em>/cx</em> <strong>set</strong> <em>spinup=nn</em></a></strong><br />
</dt>
<dd>
This command allows you to set a controller based disk spin up policy. The value
must be a positive integer between 1 and the number of disks/ports supported on
the controller (e.g. 4, 8, 12, 16). This policy is used to stagger spin ups of disks
at boot time in order to spread the power consumption on the power supply.
For example, given a spin up policy of 2, the controller will spin up two disks
at a time, pause, and then spin up another 2 disks, and so on. The amount of time
to pause can be specified with the spin up stagger time policy.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt;&gt;/c2 set spinup=2
Setting Disk Spinup Policy on /c2 to [2] ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show spinup
/cx set stagger=nn
/cx show stagger</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_stagger_3dnn"><em>/cx</em> <strong>set</strong> <em>stagger=nn</em></a></strong><br />
</dt>
<dd>
This command allows you to set a controller based disk spin up stagger time
policy. The value must be a positive integer between 0 and 60 (seconds). This
policy in conjunction with disk spin up policy specifies how the controller
should spin up disks at boot time.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt;&gt;/c2 set stagger=3
Setting Spinup Stagger Time Policy on /c2 to [3] ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show stagger
/cx set spinup=nn
/cx show spinup</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_dpmstat_3d_3con_7coff_3e__289550sx_and_h"><em>/cx</em> <strong>set</strong> <em>dpmstat=&lt;on|off</em>&gt; (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command allows you to enable or disable the Drive Performance Monitor
(DPM). By setting <strong>dpmstat</strong> to <em>on</em> you can enable the gathering of
statistics for drives when I/O is running. These statistics can be helpful when
troublshooting performance problems.
</dd>
<dd>
<p>You can see whether the Perfromance Monitor is currently running and dispaly
a statistic summary by using the command <em>/cx show dpmstat</em>.</p>
</dd>
<dd>
<p>The DPM is disabled by default since there is overhead in maintaining the
statistics, and would be disabled following a reboot or power-on.</p>
</dd>
<dd>
<p>Note that turning off DPM does not clear the statistical data that has been
recorded. To clear the data, use the command <em>/cx/px set dpmstat=clear</em>.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 set dpmstat=off
Setting Drive Performance Monitoring on /c0 to [off]... Done.</pre>
</dd>
<dd>
<p>For more information regarding the DPM and statistics gathered, please see
the section on 'Drive Performance Monitor' of the Features section, or the
<em>3ware SAS/SATA RAID Sofware User Guide, Version 9.5.1</em>.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_autocarve_3d_3con_7coff_3e__289550sx_and"><em>/cx</em> <strong>set</strong> <em>autocarve=&lt;on|off</em>&gt; (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command allows you to set the Auto-Carving policy to be on or off.
When the Auto-Carving policy is ON, any unit larger than the carvesize
is created or migrated into one or more carvesize volumes and a remaining
volume. Each volume can be treated as an individual disk with its own
file system. The default carvesize is 2 TB. This feature is useful for
operating systems limited to 2 TB filesystems.
</dd>
<dd>
<p>For example a 3 TB array would be configured into a 2 TB and a 1 TB
volumes with default carvesize. For a 5 TB array, two 2 TB volumes
would be created plus a 1 TB volume.</p>
</dd>
<dd>
<p>When autocarve policy is off, all the new unit creation or migration
consists of one single volume.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 set autocarve=on
Setting Auto-Carving Policy on /c0 to on ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show autocarve
/cx set carvesize=&lt;1024..32768&gt;
/cx show carvesize`</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_carvesize_3d_3c1024_2e_2e32768_3e__28955"><em>/cx</em> <strong>set</strong> <em>carvesize=&lt;1024..32768</em>&gt; (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command allows you to set the carve size in GB. This feature works
together with the autocarve above. See ``<em>/cx</em> <strong>set</strong> <em>autocarve=on|off</em>''
command above for details.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 set carvesize=2000
Setting Auto-Carving Size on /c0 to 2000 GB ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show carvesize`
/cx set autocarve=&lt;on|off&gt;
/cx show autocarve</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_autorebuild_3d_3con_7coff_3e__289550sx_a"><em>/cx</em> <strong>set</strong> <em>autorebuild=&lt;on|off</em>&gt; (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command sets the Auto-Rebuild policy of the specified controller to be ON
or OFF. If there is a degraded unit and the policy is set to ON, the controller
firmware will choose drives in the following order of priority, for a candidate
to perform the rebuild operation:
</dd>
<dd>
<p>1. Smallest usable capacity spare.</p>
</dd>
<dd>
<p>2. Smallest usable unconfigured drive.</p>
</dd>
<dd>
<p>3. Smallest usable capacity failed drive.</p>
</dd>
<dd>
<p>If the policy is OFF, spares are the only candidate for the rebuild operation.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0 set autorebuild=on
Setting Auto-Rebuild Policy on /c0 to on ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx show autorebuild</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_set_autodetect_3d_3con_7coff_3e_disk_3d_3cp_"><em>/cx</em> <strong>set</strong> <em>autodetect=&lt;on|off</em>&gt; <em>disk=</em>&lt;p:-p&gt;|[all] (9000 series)</a></strong><br />
</dt>
<dd>
This command is associated with the stagger spin-up feature during hot-plug.
With stagger spin-up enabled (see command <strong>/cx set spinup</strong> and <strong>/cx set stagger</strong>),
during reset or power on, the controller will try to detect all drives that are
present and spin them up staggered in time, allowing the spread of power consumption
on the power supply. Upon drive hot-plug, that is, <strong>not</strong> on power-on or reset, the
default behavior of the system is automatic detection of the drives and immediate
spin-up. This command would change the default behavior and set the controller
to spin-up as the system at power-on.
</dd>
<dd>
<p>The <strong>autodetect=on|off</strong> attribute configures the controller drive auto-detect
setting. It should be set to <em>off</em> to initiate the sequence for the stagger
spin-up during hot-plug process. After the drives are inserted or re-inserted to
the ports (as specified in the second attribute decribed below), it should be set
back to <em>on</em> to complete the configuration process for the controller to initiate
the drive spin-up.</p>
</dd>
<dd>
<p>The <strong>disk=</strong><strong>&lt;p:-p</strong>&gt;<strong>|all</strong> attribute specifies one or many disks (i.e., drives
or ports). If a port is empty (i.e., no drive inserted), the echo message of the
command refers to a port, and if there is already a drive inserted the message
refers to a disk. The example below shows that auto detect has been set to <em>off</em>
to initiate stagger spin-up during hot-plug, where <em>port 3</em> was empty and
<em>ports 5</em> and <em>6</em> had drives inserted.</p>
</dd>
<dd>
<pre>
//localhost&gt;&gt; /c0 set autodetect=off disk=3:5-6
Setting Auto-Detect on /c0 to [off] for port [3] and for disk [5,6]... Done</pre>
</dd>
<dd>
<p>If ``disk=all'', then all of the drives or ports for that controller are specified.
for example:</p>
</dd>
<dd>
<pre>
//localhost&gt;&gt; /c0 set autodetect=off disk=all
Setting Auto-Detect on /c2 to [off] for all disks/ports... Done.</pre>
</dd>
<dd>
<p>To illustrate how the command is used, here is a usage scenario:</p>
</dd>
<dd>
<pre>
1. Issue command (set autodetect=off) to disable automatic detection of the
ports for staggered spin-up.
2. Pull out the drives of the specified ports (if not empty).
3. Replace the drives previously removed at the ports specified.
4. Issue command (set autodetect=on) to enable auto detect of the ports with
the newly inserted drives.</pre>
</dd>
<dd>
<p>The above procedure would spin-up the newly inserted drives in a staggered manner.
Please note that the command takes longer to complete for ports that do not have
drives inserted.</p>
</dd>
<p></p>
<dt><strong><a name="item_mediascan"><em>/cx</em> <strong>start</strong> <em>mediascan</em> (7000/8000 only)</a></strong><br />
</dt>
<dd>
The commands starts a media scan operation on the specified controller <em>/cx</em>.
It provides media scrubbing for validating functionality of a disk. This
includes bad block detection and remapping, etc. This command applies to
7000/8000 controllers only.
</dd>
<p></p>
<dt><strong><em>/cx</em> <strong>stop</strong> <em>mediascan</em> (7000/8000 only)</strong><br />
</dt>
<dd>
The commands stops a media scan operation on the specified controller <em>/cx</em>.
It provides media scrubbing for validating functionality of a disk. This
includes bad block detection and remapping, etc. This command applies to
7000/8000 controllers only.
</dd>
<p></p></dl>
<p>
</p>
<h2><a name="logical_disk_object_messages">Logical Disk Object Messages</a></h2>
<p>Logical Disk Object Messages are commands (a.k.a. methods/messages) that are
sent to an instance of a Logical Disk (a.k.a. unit) such as <em>/c0/u0</em>.</p>
<p>Note that in the output of unit information tables that follows, the column
``Port'' may be ``VPort'' depending on the applicable controller.</p>
<dl>
<dt><strong><a name="item__2fcx_2fux_show"><em>/cx/ux</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command shows summary information on the specified unit <em>/cx/ux</em>.
If the unit consists of sub-units as with RAID-10 and RAID-50 arrays,
then each sub-unit is further presented. If the Auto-Carving policy
was ON at the time the unit was created and the unit is over the carve size
(default is 2TB-1), multiple volumes will be created and displayed
at the end of the unit summary table.
</dd>
<dd>
<p>The following example shows a RAID-50 (u0) and a RAID-0 (u1) array,
respectively:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u0 RAID-50 OK - - - 64K 596.05
u0-0 RAID-5 OK - - - 64K -
u0-0-0 DISK OK - - p0 - 149.10
u0-0-1 DISK OK - - p2 - 149.10
u0-0-2 DISK OK - - p3 - 149.10
u0-1 RAID-5 OK - - - 64K -
u0-1-0 DISK OK - - p4 - 149.10
u0-1-1 DISK OK - - p5 - 149.10
u0-1-2 DISK OK - - p6 - 149.10</pre>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u1 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u1 RAID-0 OK - - - 64K 3576.06
u1-0 DISK OK - - p0 - 298.01
u1-1 DISK OK - - p1 - 298.01
u1-2 DISK OK - - p2 - 298.01
u1-3 DISK OK - - p3 - 298.01
u1-4 DISK OK - - p4 - 298.01
u1-5 DISK OK - - p5 - 298.01
u1-6 DISK OK - - p6 - 298.01
u1-7 DISK OK - - p7 - 298.01
u1-8 DISK OK - - p8 - 298.01
u1-9 DISK OK - - p9 - 298.01
u1-10 DISK OK - - p10 - 298.01
u1-11 DISK OK - - p11 - 298.01
u1/v0 Volume - - - - - 2047.00
u1/v1 Volume - - - - - 1529.06</pre>
</dd>
<dd>
<p>One application of this command is to see which sub-unit of a degraded unit has
caused the unit to degrade and which disk within that sub-unit is the source of
degradation.</p>
</dd>
<dd>
<p>The unit information table shows the percentage completion of the processes associated
with the unit with <strong>%RCompl</strong> (percent Rebuild completion) and <strong>%V/I/M</strong> (percent
Verifying, Initializing, or Migrating).</p>
</dd>
<dd>
<p>Unlike other array types, RAID-6 may potentially have 2 or more parity drives
and can tolerate two or more failures within a unit. As a result, an added
notation is used to describe %RCompl and %V/I/M, and these are (A) and (P).
<strong>(A)</strong> denotes that the percentage completion is for the current
active process, and <strong>(P)</strong> denotes that the percentage completion is for
the current paused process. For example:</p>
</dd>
<dd>
<pre>
/localhost&gt; /c0 show unitstatus</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
----------------------------------------------------------------------------------
u0 RAID-6 REBUILD-VERIFY 50%(A) 70%(P) 64k 298.22 ON OFF</pre>
</dd>
<dd>
<p>Here, the RAID-6 unit <em>u0</em> is in the Rebuild-Verify state, with percentage Rebuild
completion of 50% and is the current active process. The process of either
Verifing, Initializing, or Migrating is at 70% and it is a paused process.</p>
</dd>
<dd>
<p>For the unit display:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u0 RAID-6 REBUILD-VERIFY 50%(A) 70%(P) - 64K 2683.80
u0-0 DISK OK - - p0 - 298.20
u0-1 DISK OK - - p1 - 298.20
u0-2 DISK OK - - p2 - 298.20
u0-3 DISK REBUILDING 80% - p3 - 298.20
u0-4 DISK OK - - p4 - 298.20
u0-5 DISK OK - - p5 - 298.20
u0-6 DISK OK - - p6 - 298.20
u0-7 DISK OK - - p7 - 298.20
u0-8 DISK REBUILD-PAUSE 20% - p8 - 298.20
u0-9 DISK OK - - p9 - 298.20
u0-10 DISK OK - - p10 - 298.20
u0-11 DISK OK - - p11 - 298.20</pre>
</dd>
<dd>
<p>In the above example, the RAID-6 unit <em>u0</em> has 3 parity drives. Currently,
it has two REBUILDING drives; one is in the active rebuilding state and
another is in the paused rebuild state. The unit is also in the paused
VERIFY state. Like the output of the '/cx show unitstatus' command, the
top-level unit status and percentage show the composite unit status and
composite rebuild percentage.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_show_attribute_attribute__2e_2e_2e"><em>/cx/ux</em> <strong>show</strong> Attribute Attribute ...</a></strong><br />
</dt>
<dd>
This command shows the current setting of the given <em>attribute(s)</em>. One or
many attributes can be requested. An invalid attribute will terminate the loop.
Possible attributes are: initializestatus, name (9000 series), qpolicy (9550SX
and higher), rebuildstatus, serial (9000 series), status, storsave(9550SX
and higher), verifystatus, volumes (9000 series), autoverify, cache or wrcache,
rdcache, ignoreECC, identify, rapidrecovery, and parity.
</dd>
<dd>
<p>The attributes volumes, name, serial, autoverify, and ignoreECC are applicable
to 9000 series controllers; the attributes qpolicy, storsave, and identify are
only applicable to 9550SX and higher nodel controllers; the attribute
rapidrecovery is only applicable to 9650SE and newer controllers; the
attribute parity is only applicable to the RAID-6 array; and the rdcache attribute
is applicable for the 9650SE (with Release 9.5.2 or later) and newer controllers.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_show_status"><em>/cx/ux</em> <strong>show</strong> <em>status</em></a></strong><br />
</dt>
<dd>
This command reports the status of the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show status
/c0/u5 status = OK</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_show_rebuildstatus"><em>/cx/ux</em> <strong>show</strong> <em>rebuildstatus</em></a></strong><br />
</dt>
<dd>
This command reports the rebuildstatus (if any) of the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 show rebuildstatus
/c0/u5 is not rebuilding, its current state is OK</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_show_verifystatus"><em>/cx/ux</em> <strong>show</strong> <em>verifystatus</em></a></strong><br />
</dt>
<dd>
This command reports the verifystatus (if any) of the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 show verifystatus
/c0/u5 is not verifying, its current state is OK</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_show_initializestatus"><em>/cx/ux</em> <strong>show</strong> <em>initializestatus</em></a></strong><br />
</dt>
<dd>
This command reports the initializestatus (if any) of the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 show initializestatus
/c0/u5 is not initializing, its current state is OK</pre>
</dd>
<p></p>
<dt><strong><a name="item_volumes"><em>/cx/ux</em> <strong>show</strong> <em>volumes</em> (9000 series)</a></strong><br />
</dt>
<dd>
This command reports the number of volumes in the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 show volumes
/c0/u5 Volume(s) = 2</pre>
</dd>
<p></p>
<dt><strong><a name="item_name"><em>/cx/ux</em> <strong>show</strong> <em>name</em> (9000 series)</a></strong><br />
</dt>
<dd>
This command reports the name (if any) of the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 show name
/c0/u5 Name = Joe</pre>
</dd>
<p></p>
<dt><strong><a name="item_serial"><em>/cx/ux</em> <strong>show</strong> <em>serial</em> (9000 series)</a></strong><br />
</dt>
<dd>
This command reports the unique serial number of the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 show serial
/c0/u5 Serial Number = 12345678901234567890</pre>
</dd>
<p></p>
<dt><strong><a name="item_qpolicy"><em>/cx/ux</em> <strong>show</strong> <em>qpolicy</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command reports the queue policy of the specified unit. If the queue
policy is ON, the firmware utilizes the drive queueing policy. Some drives
do not support any queueing policy, in that case this policy setting will
have no effect on those drives.
</dd>
<dd>
<p>For a spare unit, drive queuing is not meaningful or applicable.
For example, when a spare becomes a true unit in migration, it would adopt
the queue policy of the ``new'' unit. Thus, this commmand does not show the
queue policy for the spare unit type.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 show qpolicy
/c0/u5 Command Queuing Policy = on</pre>
</dd>
<p></p>
<dt><strong><a name="item_storsave"><em>/cx/ux</em> <strong>show</strong> <em>storsave</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command reports the storsave policy (protect|balance|perform) of the
specified unit.
</dd>
<dd>
<p>For detail, see <em>/cx/ux</em> <em>set</em> <em>storsave=protect|balance|perform</em>.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 show storsave
/c0/u5 Command Storsave Policy = protect</pre>
</dd>
<p></p>
<dt><strong><a name="item_identify"><em>/cx/ux</em> <strong>show</strong> <em>identify</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command reports the identify status of the specified unit within an enclosure.
If set to ON, the LEDs of the drive slots associated with the specified unit would
blink.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show identify
/c0/u0 Identify status = on.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx/ux set identify=&lt;on|off&gt;
/cx/px set identify=&lt;on|off&gt;
/cx/px show identify</pre>
</dd>
<p></p>
<dt><strong><a name="item_autoverify"><em>/cx/ux</em> <strong>show</strong> <em>autoverify</em> (9000 series)</a></strong><br />
</dt>
<dd>
This command reports the current autoverify setting of the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show autoverify
/c0/u0 Auto Verify Policy = off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_show_cache"><em>/cx/ux</em> <strong>show</strong> <em>cache</em></a></strong><br />
</dt>
<dt><strong><a name="item__2fcx_2fux_show_wrcache"><em>/cx/ux</em> <strong>show</strong> <em>wrcache</em></a></strong><br />
</dt>
<dd>
This command reports the current write cache state of the specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show cache
/c0/u0 Write Cache = on</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_show_rdcache"><em>/cx/ux</em> <strong>show</strong> <em>rdcache</em></a></strong><br />
</dt>
<dd>
This command reports the current read cache setting of the specified unit.
The state of the read cache could be either <strong>basic</strong>, <strong>intelligent</strong>, or
<strong>off</strong>. ``Off'' denotes that the read cache is disabled. For more information
on the read cache modes of Basic and Intelligent, please see <em>/cx/ux set
rdcache</em>.
</dd>
<dd>
<p>This command is supported on the 9650SE (with Release 9.5.2 or later) and
newer controllers. This feature is supported in all arrays types.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show rdcache
/c0/u0 Read Cache = Intelligent</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx/ux set rdcache=&lt;basic|intelligent|off&gt;</pre>
</dd>
<p></p>
<dt><strong><a name="item_ignoreecc"><em>/cx/ux</em> <strong>show</strong> <em>ignoreECC</em> (9000 series)</a></strong><br />
</dt>
<dd>
This command reports the current setting of the ignoreECC policy for the
specified unit.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show ignoreECC
/c0/u0 Ignore ECC policy = off</pre>
</dd>
<p></p>
<dt><strong><a name="item_rapidrecovery"><em>/cx/ux</em> <strong>show</strong> <em>rapidrecovery</em> (9650SE and higher)</a></strong><br />
</dt>
<dd>
This command shows the Rapid RAID Recovery policy for the specified unit.
This policy can be <em>all</em>, <em>rebuild</em>, or <em>disable</em>. For more information
about the policy settings, please see <em>/cx/ux set rapidrecovery=&lt;all|rebuild|disable</em>&gt;.
</dd>
<dd>
<p>This command only applies to the 9650SE (with Release 9.5.1) and newer controllers,
as well as redundant arrays only.</p>
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 show rapidrecovery
/c1/u0 Rapid RAID Recovery policy setting = disable</pre>
</dd>
<dd>
<p><strong>Note:</strong> The attribute <em>rapidrecovery</em> in the command may be abbreviated as ``rrr''.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_show_all"><em>/cx/ux</em> <strong>show all</strong></a></strong><br />
</dt>
<dd>
This command shows the current setting of all of the above attributes.
</dd>
<dd>
<p>If the Auto-Carving policy was on at the time the unit was created and the unit is
over the carve size (default is 2 TB - 1), multiple volumes will be created and
will be displayed at the end of the summary information.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u1 show all</pre>
</dd>
<dd>
<pre>
/c0/u1 status = OK
/c0/u1 is not rebuilding, its current state is OK
/c0/u1 is not verifying, its current state is OK
/c0/u1 is not initializing, its current state is OK
/c0/u1 volume(s) = 2
/c0/u1 name = 1234567
/c0/u1 serial number = C6CPR7JMF98DA8001DF0
//localhost&gt; /c0/u1 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u1 RAID-0 OK - - - 64K 3576.06
u1-0 DISK OK - - p0 - 298.01
u1-1 DISK OK - - p1 - 298.01
u1-2 DISK OK - - p2 - 298.01
u1-3 DISK OK - - p3 - 298.01
u1-4 DISK OK - - p4 - 298.01
u1-5 DISK OK - - p5 - 298.01
u1-6 DISK OK - - p6 - 298.01
u1-7 DISK OK - - p7 - 298.01
u1-8 DISK OK - - p8 - 298.01
u1-9 DISK OK - - p9 - 298.01
u1-10 DISK OK - - p10 - 298.01
u1-11 DISK OK - - p11 - 298.01
u1/v0 Volume - - - - - 2047.00
u1/v1 Volume - - - - - 1529.06</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_remove__5bnoscan_5d__5bquiet_5d"><em>/cx/ux</em> <strong>remove</strong> [<em>noscan</em>] [<em>quiet</em>]</a></strong><br />
</dt>
<dd>
This command allows you to remove (or export) a <strong>unit</strong>. Exporting a unit will instruct
the firmware to remove the specified unit from its pool of managed units, but retains
the DCB (Disk Configuration Block) meta-data. As such the unit can later be imported
back. <em>noscan</em> is used to not inform the OS of this change. Default is to inform the OS.
The quiet option is for non-interactive mode.
</dd>
<dd>
<p>Use caution when using this command. Units that are currently in use or mounted
cannot be removed.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_del__5bnoscan_5d__5bquiet_5d"><em>/cx/ux</em> <strong>del</strong> [<em>noscan</em>] [<em>quiet</em>]</a></strong><br />
</dt>
<dd>
This command allows you to delete a <strong>unit</strong>. Deleting a unit not only remove the
specified unit from the controller's list of managed units, but also <strong>destroys</strong>
the DCB (Disk Configuration Block) meta-data. Ports (or disks) associated with this
unit will now be part of the free pool of managed disks. In another words, once
the unit is deleted, all the data on the unit <strong>can not be recovered</strong>.
<em>noscan</em> is used to not inform the OS of this change. Default is to inform
the OS. The quiet option is for non-interactive mode.
</dd>
<dd>
<p>Use caution when using this command. <strong>This is a destructive command and should be</strong>
<strong>used with extreme care</strong>. Units that are currently in use or mounted
should not be deleted.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_start_rebuild_disk_3dp__5bignoreecc_5d"><em>/cx/ux</em> <strong>start</strong> <em>rebuild</em> <em>disk=p</em> [<em>ignoreECC</em>]</a></strong><br />
</dt>
<dd>
This command allows you to rebuild a DEGRADED unit by using the specified <strong>disk=p</strong>.
Rebuild only applies to redundant arrays such as RAID-1, RAID-5, RAID-10 and RAID-50.
During rebuild, bad sectors on the source disk will cause the rebuild to fail.
You can allow for the operation to continue via <strong>ignoreECC</strong>. Rebuild process is
a background task and will change the state of a unit to REBUILDING. Various
<strong>show</strong> commands also show a percent completion as rebuilding progresses.
</dd>
<dd>
<p>Note that the disk to be used to rebuild a unit, must be a SPARE or unconfigured
disk.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_start_verify"><em>/cx/ux</em> <strong>start</strong> <em>verify</em></a></strong><br />
</dt>
<dd>
This command starts a background verification process on the specified
unit <em>/cx/ux</em>. The following shows the supported matrix as a function of
controller model and logical unit type. N/A (Not Applicable) refers to cases
where the given logical unit type is not supported on that controller model.
</dd>
<dd>
<pre>
Model | Raid0 | Raid1 | Raid5 | Raid6 | Raid10 | Raid50 | Single | JBOD | Spare |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
7K/8K | No | Yes | Yes | N/A | Yes | N/A | N/A | No | No |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
9K | Yes | Yes | Yes | N/A | Yes | Yes | Yes | Yes | Yes |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
9650SE | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
and | | | | | | | | | |
higher | | | | | | | | | |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+</pre>
</dd>
<dd>
<p>For 9550SX and earlier controllers and for 9650SE or 9690SA running pre-9.5.1,
when you issue this command the specified verify will begin if the verify schedule is disabled' otherwise it will pause until the next scheduled verify.</p>
</dd>
<dd>
<p>The above also applies if you have a 9650SE or 9690SA controller running post-9.5.1,
and have set verify=advanced. If verify=basic, the verify will start immediately.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_pause_rebuild"><em>/cx/ux</em> <strong>pause</strong> <em>rebuild</em></a></strong><br />
</dt>
<dd>
This command allows you to <strong>pause</strong> the rebuild operation on the specified
REBUILDING unit <strong>/cx/ux</strong>. This feature is intended for model 7000 and 8000
only. Model 9000 has an on-board scheduler where rebuild operations can be
scheduled to take place at specified start and stop times.
</dd>
<dd>
<p>Rebuild <strong>pause</strong> function is provided to enable 7000/8000 users to achieve
functionality with use of OS provided schedulers such as <code>cron(8)</code> or, <code>at(1)</code>
in Linux or user supplied programs.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_resume_rebuild"><em>/cx/ux</em> <strong>resume</strong> <em>rebuild</em></a></strong><br />
</dt>
<dd>
This command allows you to <strong>resume</strong> the rebuild operation on the specified
unit <strong>/cx/ux</strong>. This feature is intended for model 7000 and 8000 only.
Model 9000 has an on-board scheduler where rebuild operations can be scheduled
to take place at specified start and stop times.
</dd>
<dd>
<p>Rebuild <strong>resume</strong> function is provided to
enable 7000/8000 users to achieve similar functionality with use of OS provided
schedulers such as <code>cron(8)</code> or, <code>at(1)</code> in Linux or user supplied programs.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_stop_verify"><em>/cx/ux</em> <strong>stop</strong> <em>verify</em></a></strong><br />
</dt>
<dd>
This command stops a background verification process on the specified
unit <em>/cx/ux</em>. The following shows the supported matrix as a function of
controller model and logical unit type. N/A (Not Applicable) refers to cases
where the given logical unit type is not supported on that controller model.
</dd>
<dd>
<pre>
Model | Raid0 | Raid1 | Raid5 | Raid6 | Raid10 | Raid50 | Single | JBOD | Spare |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
7K/8K | No | Yes | Yes | N/A | Yes | N/A | N/A | No | No |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
9K | Yes | Yes | Yes | N/A | Yes | Yes | Yes | Yes | Yes |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
9650SE | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
and | | | | | | | | | |
higher | | | | | | | | | |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+</pre>
</dd>
<dd>
<p>Note that if subsequent to this command, one enables the background verify
task to follow the scheduled slots, then this on-demand task will be paused
until the next scheduled timeslot.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_flush"><em>/cx/ux</em> <strong>flush</strong></a></strong><br />
</dt>
<dd>
This command allows you to flush the write cache on the specified unit <em>/ux</em>
associated with controller <em>/cx</em>. Note that this command does not apply to
spare unit types.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_set_autoverify_3d_3con_7coff_3e"><em>/cx/ux</em> <strong>set</strong> <em>autoverify=&lt;on|off</em>&gt;</a></strong><br />
</dt>
<dd>
This command allows you to turn on/off the autoverify operation on a specified
unit <em>/cx/ux</em>. Once the autoverify=on, the RAID firmware will pick a time
to start the verify process on the unit. If the allocated schedule windows is
enabled, the verify process becomes active during the scheduled windows. Otherwise,
the firmware will decide when the verify needs to be paused or restarted again before
it completes.
</dd>
<dd>
<p>You can use the <strong>show verify</strong> command to display the existing schedule
windows. The autoverify operation is a continuous verify operation, which takes
place within the existing schedule windows (displayed with /cx show verify) if
the schedule is enabled. While the ``/cx show verify'' command allows
you to see the time for the verify operation, this command allows you to
enable or disable the autoverify operation on the specified unit. This feature
only applies to 9000 models.</p>
</dd>
<dd>
<p>For a newly created unit on the 9650SE (with Release 9.5.1 or later), 9690SA, and
9750 controllers, autoverify is set to ON by default. For earlier controller models,
the default is OFF.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_set_cache_3d_3con_7coff_3e__5bquiet_5d"><em>/cx/ux</em> <strong>set</strong> <em>cache=&lt;on|off</em>&gt; [<em>quiet</em>]</a></strong><br />
</dt>
<dt><strong><a name="item__2fcx_2fux_set_wrcache_3d_3con_7coff_3e__5bquiet_5"><em>/cx/ux</em> <strong>set</strong> <em>wrcache=&lt;on|off</em>&gt; [<em>quiet</em>]</a></strong><br />
</dt>
<dd>
This command allows you to enable or disable the write cache on a specified unit
<em>/cx/ux</em>. This feature is supported on the 7000/8000 and 9000 models. The
quiet option is for the non-interactive mode, where no confirmation is requested
to proceed. It can be used when the controller has no BBU installed. The
following is the Raid Type-Model support matrix.
</dd>
<dd>
<pre>
Model | Raid0 | Raid1 | Raid5 | Raid6 | Raid10 | Raid50 | Single | JBOD | Spare |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
7K/8K | Yes | Yes | Yes | N/A | Yes | N/A | N/A | Yes | No |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
9K | Yes | Yes | Yes | N/A | Yes | Yes | Yes | Yes | No |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+
9650SE | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes | Yes |
and | | | | | | | | | |
higher | | | | | | | | | |
--------+-------+-------+-------+-------+--------+--------+--------+------+-------+</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_set_rdcache_3d_3cbasic_7cintelligent_7c"><em>/cx/ux</em> <strong>set</strong> <em>rdcache=&lt;basic|intelligent|off</em>&gt;</a></strong><br />
</dt>
<dd>
This command allows you to set the read cache to either <strong>basic</strong>,
<strong>intelligent</strong>, or <strong>off</strong> on a specified unit.
</dd>
<dd>
<p><strong>Read Cache Basic</strong> is used to store data locally on the controller that
has recently been written to media and is likely to be frequently accessed.
This improves read access times for applications such as a database that
can take advantage of storage caching. Read cache may be disabled without
reducing performance for applications that are write intensive, or
infrequently read back data recently written.</p>
</dd>
<dd>
<p><strong>Read Cache Intelligent</strong> enables the Intelligent Read Prefetch (IRP) feature.
This new feature includes a typical read ahead caching method, which is used
to proactively retrieve data from media and store it locally on the controller
with the anticipation that it may be requested by the host. For example, the
host may read blocks 1, 2, and 3. With read-ahead caching, the controller will
also retrieve and hold in its cache blocks 4, 5, and 6 in anticipation of
getting those command requests from the host. By loading a larger set of data
into the cache, chances are improved that another request can be filled by data
that is already in the cache. This can be helpful with applications that are
sequential in nature, such as video on demand, video surveillance playback,
and restoring from a disk-to-disk backup. Performance benefits of read-ahead
are especially pronounced when the host queue depth is low. In addition,
read-ahead cache also improves sequential read performance when the unit is
degraded. The Intelligent Read Prefetch (IRP) feature also includes some
intelligent and adaptive stream management layer to improve performance at
higher queue depth in multiple read only or mixed read/write stream
environments. The performance improvements should be seen for most type of
arrays and in any modes.</p>
</dd>
<dd>
<p><strong>Note:</strong> If Intelligent mode is enabled, the features in Basic mode are also
enabled.</p>
</dd>
<dd>
<p>The following table provides some recommendations for when to use each Read
Cache setting.</p>
</dd>
<dd>
<pre>
------------------------------------------------------------------------
USE THIS READ CACHE | FOR THIS REASON | EXAMPLE APPLICATIONS
SETTING | |
------------------------------------------------------------------------
Intelligent | Sequential applications, | Video on Demand,
| with a low host command | Video Surveillance
| command queue depth | Playback
| | Disk-to-Disk Backup
| | Restores, File Server
------------------------------------------------------------------------
Basic | Frequent access to | Database
| recently written data |
| |
| |
| |
------------------------------------------------------------------------
Disabled | Applications that | Online Transaction
| a high queue depth or | Processing (OLTP)
| perform their own read- |
| ahead can generate |
| enough I/O to negate the |
| benefits of controller |
| read caching or read- |
| ahead. This is |
| especially true for apps |
| that produce a large |
| a lot of random I/O. |
------------------------------------------------------------------------</pre>
</dd>
<dd>
<p>This command is supported on the 9650SE (with release 9.5.2 or later) and newer
controllers. This feature is supported for all arrays types.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 set rdcache=intelligent
Setting Read Cache Policy on /c0/u0 to [intelligent] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_set_identify_3d_3con_7coff_3e__289550sx"><em>/cx/ux</em> <strong>set</strong> <em>identify=&lt;on|off</em>&gt; (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command allows you to identify a unit within an enclosure. If set to ON,
the LEDs of the drive slots associated with the specified unit would blink.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 set identify=on
Sending Identify request for unit /c0/u0 to [on] ... Done.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx/ux show identify
/cx/px show identify
/cx/px set identify=&lt;on|off&gt;</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_set_ignoreecc_3d_3con_7coff_3e__289000_"><em>/cx/ux</em> <strong>set</strong> <em>ignoreECC=&lt;on|off</em>&gt; (9000 series)</a></strong><br />
</dt>
<dd>
This command allows you to set the ignoreECC policy for a given unit such that during
rebuild of the specified unit, which could begin automatically (if the unit is
degraded and spare has been defined) or manually, to be applied to the rebuild operation.
Setting overwriteECC to on means ignoreECC. This feature only applies to
9000 models.
</dd>
<p></p>
<dt><strong><a name="item_string"><em>/cx/ux</em> <strong>set</strong> <em>name=string</em> (9000 series)</a></strong><br />
</dt>
<dd>
This command allows you to name the unit to an arbitrary name upto 21 characters.
No space is allowed within the string. If user likes to use some special characters
which the OS command shell reserves such as '&lt;', '&gt;', '!', and '&amp;', etc in the name
string, the user has to use quote ``'' around the name string in order to bypass the
command shell. Users can use this
name in conjunction with the unit serial number (which created at the unit creation
time) to cross reference with the unit. It is user's responsibility to give unique
or redundant names on all units. This feature only applies to 9000 models.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_set_qpolicy_3d_3con_7coff_3e__289550sx_"><em>/cx/ux</em> <strong>set</strong> <em>qpolicy=&lt;on|off</em>&gt; (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command presents the queue policy of the firmware. If the queue policy is
on, the firmware utilizes the drive queueing policy. Some drives
do not support any queueing policy, this policy will have no effect on
those drives.
</dd>
<dd>
<p>For a spare, drive queuing is not meaningful or applicable. For example, when a
spare undergo unit migration and becomes a true unit, it adopts the queue policy
of the ``new'' unit. Thus, this commmand does not set the queue policy for the
unit type spare.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 set qpolicy = on
Setting Command Queuing Policy for unit /c0/u5 to [on] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_set_rapidrecovery_3d_3call_7crebuild_7c"><em>/cx/ux</em> <strong>set</strong> <em>rapidrecovery=&lt;all|rebuild|disable</em>&gt; (9650SE and higher)</a></strong><br />
</dt>
<dt><strong><a name="item__2fcx_2fux_set_rapidrecovery_3d_3cdisable_3e__5bqu"><em>/cx/ux</em> <strong>set</strong> <em>rapidrecovery=&lt;disable</em>&gt; [<em>quiet</em>] (9650SE and higher)</a></strong><br />
</dt>
<dd>
This command sets the Rapid RAID Recovery policy for the specified unit.
Rapid RAID Recovery can speed up the rebuild process, and it can speed up
the initialize and verify tasks for redundant arrays in the RAID system
upon the event of an unclean system shutdown. This feature allows for
expedited boot-up time in the event of an unclean shutdown. Setting this
option to all applies the policy to the rebuild, initialize and verify
tasks at reboot. Setting it to rebuild applies the policy to the rebuild
tasks only. If the policy is set to disable, then none of the tasks would
be sped up. (Note: In the command ``rapidrecovery'' may be abbreviated as
``rrr''.)
</dd>
<dd>
<p><strong>Note:</strong> The default setting of Rapid RAID Recovery is 'all' for redundant
arrays. For non-redundant arrays the default is disabled.</p>
</dd>
<dd>
<p><strong>Note:</strong> There is a quiet option for setting the Rapid RAID Recovery policy
to disable. The quiet option is provided for scripting purposes and is
applicable to the <em>disable</em> setting only.</p>
</dd>
<dd>
<p>For example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u0 set rapidrecovery=all
Setting Rapid RAID Recovery policy on /c1/u0 to [all] ... Done.</pre>
</dd>
<dd>
<p><strong>Note:</strong> Rapid RAID Recovery is not supported over migration.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_set_storsave_3d_3cprotect_7cbalance_7cp"><em>/cx/ux</em> <strong>set</strong> <em>storsave=&lt;protect|balance|perform</em>&gt; [<em>quiet</em>] (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command sets the storsave policy of the specified unit to be either protect, balance,
or perform when the unit write cache is enabled.
</dd>
<dd>
<p>This feature is available for the 9550SX and higher model controllers only. There is
a tradeoff among the available settings. The following description about the settings
should help you to decide which one is suitable for your applications. The
<em>protect</em> mode is the default setting.</p>
</dd>
<dd>
<p><strong>protect</strong> -- provides the maximum data protection among the controller settings.
When user sets storsave to <em>protect</em>, it means:</p>
</dd>
<dd>
<p>1. ``Write Cache'' will be disabled when the unit becomes ``DEGRADED'',</p>
</dd>
<dd>
<p>2. all data flushing from controller cache will be flushed to media, and</p>
</dd>
<dd>
<p>3. incoming FUA (Force Unit Access) host request will be ignored if a BBU is
installed and enabled; Otherwise, will be honored.</p>
</dd>
<dd>
<p><strong>perform</strong> -- provides the maximum performance and less data protection among the
controller settings. When user sets storsave to <em>perform</em>, it means:</p>
</dd>
<dd>
<p>1. ``Write Cache'' will not be disabled when the unit becomes ``DEGRADED'',</p>
</dd>
<dd>
<p>2. all data flushing from controller cache will be flushed to disk, and</p>
</dd>
<dd>
<p>3. incoming FUA (Force Unit Access) host request will be honored.</p>
</dd>
<dd>
<p><strong>Note:</strong> When storsave is set to <em>perform</em>, a warning about data loss in the
event of power failure is displayed, followed by a prompt to continue. If you
want to skip the confirmation, use the [<em>quiet</em>] option to bypass.</p>
</dd>
<dd>
<p><strong>balance</strong> -- provides more data protection than perform mode but less data
protection than protect mode, and provides better performance than protect
mode but less performance than perform mode. When user sets the storsave
to <em>balance</em>, it means:</p>
</dd>
<dd>
<p>1. ``Write Cache'' will not be disabled when the unit becomes ``DEGRADED'',</p>
</dd>
<dd>
<p>2. all data flushing from controller cache will be flushed to media if a
BBU is installed and enabled; Otherwise, will be flushed to disk only, and</p>
</dd>
<dd>
<p>3. incoming FUA (Force Unit Access) host request will be ignored if a BBU is
installed and enabled; Otherwise, will be honored.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u5 set storsave=protect
Setting Command Storsave Policy for unit /c0/u5 to [protect] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fux_migrate_type_3draidtype__5bdisk_3dp_3a_"><em>/cx/ux</em> <strong>migrate</strong> type=<em>RaidType</em> [disk=<em>p:-p</em>] [group=<em>3|4|5|6|7|8|..|16</em>] [stripe=<em>Stripe</em>] [<em>noscan</em>] [<em>nocache</em>] [<em>autoverify</em>]</a></strong><br />
</dt>
<dd>
This feature is only available with 9000 series of controllers.
</dd>
<dd>
<p>This command allows you to migrate an existing unit (aka source) to a unit with
<em>type=RaidType</em> (aka destination), to increase capacity, change the RAID level (with
the same or increased capacity), or change the stripe size.</p>
</dd>
<dd>
<p>The unit that results from the migration (destination unit) is subject to similar
rules and policies that apply when creating a new unit. For example, a valid number
of disks and parameters must be specified. The destination unit must use all source
disks and potentially augment the number of disks in the <strong>disk=<em>p:-p</em></strong> disk list.
Unspecified parameters are assigned default values (stripe size of 64K, write
cache enabled, autoverify disabled, and ignoreECC disabled).</p>
</dd>
<dd>
<p>The unit to be migrated (source unit) must be in a normal state (not degraded,
initializing, or rebuilding) before the migration. If the source unit is of type
RAID-1 and the destination unit is of type single, the disk-specifier of the
migration command [disk=<em>p:-p</em>] is actually not optional and must <strong>not</strong> be included
in the command. The drives in the RAID-1 array would become multiple units of type
single after the migration, and the source drives are the destination drives.
Specifying more drives with the ``disk='' option would return an error.</p>
</dd>
<dd>
<p>Both source unit name and serial number will be carried over to the destination
unit. However, the RAID-1 to single migration path is a special case. In this case,
the <strong>migrate</strong> command splits both drives into two identical single disks. The
source unit name will be duplicated on the destination units, or single disks,
but the source unit serial number will <strong>not</strong> be carried over to new unit. The
new destination unit will have its own serial number.</p>
</dd>
<dd>
<p><strong>type=RaidType</strong> consists of the destination unit RAID type as in <strong>raid0</strong>, <strong>raid1</strong>,
<strong>raid5</strong>, <strong>raid10</strong>, <strong>raid50</strong>, <strong>raid6</strong>, or <strong>single</strong>.</p>
</dd>
<dd>
<p>For example ``type=raid5'' indicates the destination unit is RAID-5.</p>
</dd>
<dd>
<p>The following table illustrates valid migration paths:</p>
</dd>
<dd>
<pre>
Src/Dst | Raid0 | Raid1 | Raid5 | Raid10 | Raid50 | Single | JBOD | Spare | Raid6 |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
Raid0 | Y | N | Y | Y | Y | N | N | N | Y |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
Raid1 | Y | N | Y | Y | Y | Y | N | N | Y |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
Raid5 | Y | N | Y | Y | Y | N | N | N | Y |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
Raid10 | Y | N | Y | Y | Y | N | N | N | Y |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
Raid50 | Y | N | Y | Y | Y | N | N | N | Y |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
Single | Y | Y | Y | Y | Y | N | N | N | Y |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
JBOD | N | N | N | N | N | N | N | N | N |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
Spare | N | N | N | N | N | N | N | N | N |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+
Raid6 | Y | N | Y | Y | Y | N | N | N | Y |
--------+-------+-------+-------+--------+--------+--------+------+-------+-------+</pre>
</dd>
<dd>
<p><strong>Note:</strong> You can only migrate a unit to a RAID level that has the same or larger
capacity as the exisiting one. A four-drive RAID-5 unit can migrate to a four-drive
RAID-0, but a four-drive RAID-0 unit cannot migrate to a four-drive RAID-5, without
adding another drive, due to the need for additional storage capacity for parity bits.</p>
</dd>
<dd>
<p><strong>disk=p:-p</strong> consists of a list of ports or vports (disks) to be used in addition
to the source disks in the construction of the destination unit. One or more ports
can be specified. Multiple ports can be specified using <strong>``:''</strong> or <strong>``-''</strong> as port
index separators. A dash indicates a range and can be mixed with ``:''. For example
<strong>disk=0:1:2-5:9:12</strong> indicates port 0, 1, 2 thru 5 (inclusive), 9 and 12.</p>
</dd>
<dd>
<p><strong>group=3|4|5|6|7|8|9|10|11|12|13|14|15|16</strong> is <strong>only</strong> applicable to <strong>type=raid50</strong>
which consists of a number of disks per group. Recall that a RAID-50 is a multi-tier
array. At the most bottom layer, N number of disks per group are used to form the
RAID-5 layer. These RAID-5 arrays are then integrated into a RAID-0. This option
allows you to specify the number of disks in the RAID-5 level. Valid values are 3,
4, 5 and 6. For example <strong>group=3</strong> indicates 3 disks of RAID-5 at the bottom layer
of RAID-50.</p>
</dd>
<dd>
<p><strong>Note:</strong> You can have a maximum of 4 subunits in a RAID-50 unit.</p>
</dd>
<dd>
<p>Note that a sufficient number of disks are required for a given pattern or disk
group. For example, given 6 disks, specifying 3 will create two RAID-5. However
given 12 disks, specifying 3 will create four RAID-5 under the RAID-0 level. Given
6 disks and grouping of 6 is not allowed, as you'll basically be creating a RAID-5.</p>
</dd>
<dd>
<p>The default disk <strong>group</strong> varies based on number of disks. For 6 &amp; 9 disks, default
is group=3. For 8 disks, default is group=4. For 10 or 15 disks, default is
group=5. For 12 or 16 disks, default is group=4. For 14 disks, default is
group=7. Case of 12 disks could be grouped with group=3, group=4, or group=6.
Group=4 was set by default as it provides best net capacity and performance.
Case of 15 disks could be grouped with group=3 or group=5. And case
of 16 disks could be grouped with group=4 and group=8.</p>
</dd>
<dd>
<p>Note that RAID-10 always has <strong>group=2</strong>, so an attribute specifying its group is
not necessary.</p>
</dd>
<dd>
<p><strong>Stripe</strong> consists of the logical unit stripe size to be used. The following table
illustrates the supported and applicable stripes on the respective unit types and
controller models. Stripe size units are in KB (kilobytes).</p>
</dd>
<dd>
<pre>
Model | Raid0 | Raid1 | Raid5 | Raid6 | Raid10 | Raid50 | JBOD | Spare | Single |
------+---------+-------+-------+-------+--------+--------+-------+-------+--------+
9K | 16 | N/A | 16 | N/A | 16 | 16 | N/A | N/A | N/A |
| 64 | | 64 | | 64 | 64 | | | |
| 256 | | 256 | | 256 | 256 | | | |
------+---------+-------+-------+-------+--------+--------+-------+-------+--------+
9650SE| 16 | N/A | 16 | | 16 | 16 | N/A | N/A | N/A |
and | 64 | | 64 | 64 | 64 | 65 | | | |
higher| 256 | | 256 | 256 | 256 | 256 | | | |
------+---------+-------+-------+-------+--------+--------+-------+-------+--------+</pre>
</dd>
<dd>
<p><strong>noscan</strong> instructs CLI not to notify the operating system (OS) about the
creation of the new unit. By default CLI will inform the OS. One application
of this feature is to prevent the OS from creating block special devices such
as /dev/sdb and /dev/sdc as some implementations might create naming fragmentation
and a moving target.</p>
</dd>
<dd>
<p><strong>nocache</strong> instructs CLI to disable the write cache on the migrated
unit. Enabling write cache increases performance, but at the cost of potential
data loss in the event of sudden power loss (unless a BBU or UPS is installed).
By default the cache is enabled. Unless there is a BBU or UPS installed, to
avoid the possibility of data loss in the event of sudden power loss, it is
recommended that <strong>nocache</strong> be specified.</p>
</dd>
<dd>
<p><strong>autoverify</strong> enables the autoverify attribute on the unit to be
migrated. For more details on this feature, refer to <a href="#cx_ux_set_autoverify">cx/ux set autoverify</a>
section of this document.</p>
</dd>
<dd>
<p><strong><em>Migration Process.</em></strong> In all cases of migration, the background migration process
must be completed before the newly sized unit is available for use. You can continue
using the original unit during this time. Once the migration is finished, a reboot
will be required if you are booted from the unit. For secondary storage, depending
on your operating system, you may need to first unmount the unit, then use CLI to
'remove' and 'rescan' the unit so that the operating system can see the new capacity,
and then remount the unit.</p>
</dd>
<dd>
<p>You may also need to resize the file system or add a new partition. For instructions,
consult the documentation for your operating system.</p>
</dd>
<dd>
<p><strong>Note</strong>: It is important that you allow migration to complete before adding drives
to the unit or move it to another controller. Making any physical changes to the
unit during migration may cause the migration to stop, and can jeopardize the safety
of your data.</p>
</dd>
<dd>
<p><strong><em>Examples.</em></strong> The two examples which follow show the usage of this command for
splitting a mirror and for capacity expansion, respectively. Following those are
sample outputs of the migrate function. After which example outputs showing the
special case are presented.</p>
</dd>
<dd>
<p>Example of split mirror:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1/u3 migrate type=single
Sending migration message to /c1/u3 ... Done.</pre>
</dd>
<dd>
<p>The source unit u3 is a TWINSTOR or RAID-1, using the <strong>migrate</strong> command splits u3 to u3
and u<em>x</em>, each with the RAID type of Single.</p>
</dd>
<dd>
<p>Example of capacity expansion:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/u3 migrate type=raid10 disk=10-11 stripe=16
Sending migration message to /c0/u3 ... Done.</pre>
</dd>
<dd>
<p>The source unit is u3 and the destination unit is RAID-10 with disks 10 and 11 in
addition to the disks in the existing unit u3.</p>
</dd>
<dd>
<p>The following is an example of how migrating units are displayed. In this example,
the set of reports indicate that /c0/u3 is a migrating unit with 39% completion. The
``/c0/u3 show'' command shows that the source unit is <em>su3</em> and is of type RAID-1, and
the destination unit <em>du3</em> is of type RAID-10.</p>
</dd>
<dd>
<pre>
3ware CLI&gt; /c0 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 OK - - 64K 596.004 ON OFF
u2 SPARE OK - - - 149.042 - OFF
u3 Migrator MIGRATING - 39 - 149.001 ON OFF</pre>
</dd>
<dd>
<pre>
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p0 OK u0 149.05 GB 312581808 WD-WCANM1771318
p1 OK u0 149.05 GB 312581808 WD-WCANM1757592
p2 OK u0 149.05 GB 312581808 WD-WCANM1782201
p3 OK u0 149.05 GB 312581808 WD-WCANM1753998
p4 OK u2 149.05 GB 312581808 WD-WCANM1766952
p5 OK u3 149.05 GB 312581808 WD-WCANM1882472
p6 OK u0 149.05 GB 312581808 WD-WCANM1883862
p7 OK u3 149.05 GB 312581808 WD-WCANM1778008
p8 OK - 149.05 GB 312581808 WD-WCANM1770998
p9 NOT-PRESENT - - - -
p10 OK u3 149.05 GB 312581808 WD-WCANM1869003
p11 OK u3 149.05 GB 312581808 WD-WCANM1762464</pre>
</dd>
<dd>
<pre>
3ware CLI&gt; /c0/u3 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u3 Migrator MIGRATING - 39 - - -</pre>
</dd>
<dd>
<pre>
su3 RAID-1 OK - - - - 149.001
su3-0 DISK OK - - p5 - 149.001
su3-1 DISK OK - - p7 - 149.001
su3/v0 Volume - - - - - 149.001</pre>
</dd>
<dd>
<pre>
du3 RAID-10 OK - - - 16K 298.002
du3-0 RAID-1 OK - - - - -
du3-0-0 DISK OK - - p5 - 149.001
du3-0-1 DISK OK - - p7 - 149.001
du3-1 RAID-1 OK - - - - -
du3-1-0 DISK OK - - p10 - 149.001
du3-1-1 DISK OK - - p11 - 149.001
du3/v0 Volume - - - - - 149.001</pre>
</dd>
<dd>
<p>Please note that the migration path of raidtype Single to RAID-1 is a special
case. Since the single unit would become a mirrored array, technically this
is not a migration. As a result this command shows a different status than
other migration paths. In addition, the status of the newly specified disk
would show DEGRADED until the ``migration'' is complete.</p>
</dd>
<dd>
<p>For example, below is a system with two migrating units, /c0/u0 and /c0/u1.
u0 is migrating from a RAID-10 to a RAID-0 array, while u1 is migrating from
Single to a RAID-1, initiated by the following commands:</p>
</dd>
<dd>
<pre>
/c0/u0 migrate type=raid0</pre>
</dd>
<dd>
<p>and</p>
</dd>
<dd>
<pre>
/c0/u1 migrate type=raid1 disk=5</pre>
</dd>
<dd>
<p>Note the difference in 'UnitType' and 'Status' of u0 and u1, even though they
are both migrating units.</p>
</dd>
<dd>
<pre>
3ware CLI&gt; /c0 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 Migrator MIGRATING - 26 - 298.002 ON OFF
u1 RAID-1 REBUILD-PAUSED 0 - - 372.519 OFF OFF</pre>
</dd>
<dd>
<pre>
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p0 OK u0 149.05 GB 312581808 WD-WCANM1883862
p1 OK u0 149.05 GB 312581808 WD-WCANM1754124
p2 OK u0 372.61 GB 781422768 WD-WMAMY1661939
p3 OK u0 372.61 GB 781422768 WD-WMAMY1579179
p4 OK u1 372.61 GB 781422768 WD-WMAMY1662720
p5 DEGRADED u1 372.61 GB 781422768 WD-WMAMY1576310
p6 NOT-PRESENT - - - -
p7 NOT-PRESENT - - - -</pre>
</dd>
<dd>
<pre>
3ware CLI&gt; /c0/u3 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u0 Migrator MIGRATING - 26 - - -</pre>
</dd>
<dd>
<pre>
su0 RAID-10 OK - - - 64K 298.002
su0-0 RAID-1 OK - - - - -
su0-0-0 DISK OK - - p0 - 149.001
su0-0-1 DISK OK - - p1 - 149.001
su0-1 RAID-1 OK - - - - -
su0-1-0 DISK OK - - p2 - 149.001
su0-1-1 DISK OK - - p3 - 149.001
su0/v0 Volume - - - - - 298.002</pre>
</dd>
<dd>
<pre>
du0 RAID-0 OK - - - 64K 596.004
du0-0 DISK OK - - p3 - 149.001
du0-1 DISK OK - - p2 - 149.001
du0-2 DISK OK - - p1 - 149.001
du0-3 DISK OK - - p0 - 149.001
du0/v0 Volume - - - - - N/A</pre>
</dd>
<dd>
<pre>
3ware CLI&gt; /c0/u1 show</pre>
</dd>
<dd>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u1 RAID-1 REBUILD-PAUSED 0 - - - 372.519
u1-0 DISK OK - - p4 - 372.519
u1-1 DISK DEGRADED - - p5 - 372.519
u1/v0 Volume - - - - - 372.519</pre>
</dd>
<p></p></dl>
<p>
</p>
<h2><a name="port_object_messages">Port Object Messages</a></h2>
<p>Port Object Messages are commands (a.k.a. methods/messages) that are sent to
an instance of a disk which attaches to a port or vport such as <em>/c0/p0</em>.
<strong>Note:</strong> All references of port also applies to vport for the commands in
this section.</p>
<dl>
<dt><strong><a name="item__2fcx_2fpx_show"><em>/cx/px</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command shows summary information on the specified disk attached to port
<em>/cx/px</em>. Here is the typical output for controller models up to 9550SX and
9650SE with Release 9.5.1 or earlier:
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show</pre>
</dd>
<dd>
<pre>
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p5 OK u5 149.05 GB 312581808 WD-WMACK1406498</pre>
</dd>
<dd>
<p>This drive summary table indicate that port <em>p5</em> of controller <em>c0</em> is attached to one
Western Digital disk with status OK and is a part of unit <em>u5</em>.</p>
</dd>
<dd>
<p>For the 9650SE (with Release 9.5.2 or later), 9690SA, and 9750, the summary
information on the specified disk attached to vport <em>/cx/px</em> has a slightly
different format. Here is a sample output:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3/p1 show</pre>
</dd>
<dd>
<pre>
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p1 OK u0 149.05 GB SATA 0 - WDC WD1600JS-22NCB1a</pre>
</dd>
<dd>
<p>In this output of the drive summary, the drive type, controller phy number, enclosure
slot if applicable, and model of the drive are also displayed. (Please note the Block
and Serial information could be obtained with the specific show attribute
command, or the ``show all'' command.) Please also note that the port handle as a
virtual port is indicated by the heading or column ``VPort''.</p>
</dd>
<dd>
<p>The drive status in the column ``Status'' may display different message strings
depending on the detected state of the drive. This is a list of the possible
statuses:</p>
</dd>
<dd>
<pre>
OK - Drive is operating normally.
NOT-SUPPORTED - Drive is not supported.
ECC-ERROR - An ECC error has been detected.
SMART-FAILURE - A SMART failure has been detected.
DEVICE-ERROR - A device error has been detected with the drive.
READ-TIMEOUT - A DCB read timeout error has been detected.
READ-FAILURE - A DCB read failure is encountered.
ORPHAN - The drive contains an orphan DCB.
DCB-DATA-CHECK - A DCB data check is in progress.
UNSUPP-DCB - Drive contains unsupported DCB.
UNCONV-DCB - Drive contains unconverted DCB.
DRIVE-REMOVED - Drive has been removed.
OFFLINE-JBOD - Drive is an offline JBOD.
NOT-PRESENT - Drive is offline.
CFG-OP-FAIL - A drive configuration operation failure is encountered.
POR-OCCURRED - A power-on-reset has occurred.
UNKNOWN - The condition or error encountered is not reportable.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_attribute_attribute__2e_2e_2e"><em>/cx/px</em> <strong>show</strong> <em>Attribute Attribute ...</em></a></strong><br />
</dt>
<dd>
This command shows the current setting of the given <em>attribute(s)</em> on the
specified port or disk. One or many attributes can be requested. Invalid
attribute will terminate the loop. Possible attributes are: status, model,
firmware, serial, capacity, smart, and the following attributes (grouped
accordingly to applicability for specified controllers):
</dd>
<dd>
<pre>
CONTROLLER | ATTRIBUTES
-------------------+---------------------------------------------
9550SX and higher | ncq, identify, lspeed, driveinfo
-------------------+---------------------------------------------
9650SE and higher | rasect, pohrs, temperature, spindlespd
-------------------+---------------------------------------------
9690SA and 9750 | driveinfo, ports, connections, drvintf, wwn
-------------------+---------------------------------------------</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_status"><em>/cx/px</em> <strong>show</strong> <em>status</em></a></strong><br />
</dt>
<dd>
This command reports the status of the drive associated with the specified port.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show status
/c0/p5 Status = OK</pre>
</dd>
<dd>
<p><strong>Note:</strong> This command returns the status pertaining to the drive of
the specified port only. Its intended use is not for determining the
status of a drive relative to a unit (for that, please use '/cx/px
show'). For example, if a unit is DEGRADED and a drive is the
degradation point of that unit, the output of this command would not
show DEGRADED as the command '/cx/px show' would. Note the difference
also that this command shows status of the drive only, and does not
contain other information such as unit, type, size, etc.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_model"><em>/cx/px</em> <strong>show</strong> <em>model</em></a></strong><br />
</dt>
<dd>
This command reports the model of the drive associated with the specified port.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show model
/c0/p5 Model = WDC WD1600BB-00DAA0</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_serial"><em>/cx/px</em> <strong>show</strong> <em>serial</em></a></strong><br />
</dt>
<dd>
This command reports the serial number of the drive associated with the
specified port.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show serial
/c0/p5 Serial = WD-WMACK1406498</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_firmware"><em>/cx/px</em> <strong>show</strong> <em>firmware</em></a></strong><br />
</dt>
<dd>
This command reports the firmware version of the drive associated with the
specified port.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show firmware
/c0/p5 Firmware Version = 65.13G65</pre>
</dd>
<p></p>
<dt><strong><em>/cx/px</em> <strong>show</strong> <em>identify</em> (9550SX and higher)</strong><br />
</dt>
<dd>
This command reports the identify status of the specified port within an enclosure.
The LED of the drive slot associated with the specified port would blink if the
identify status is ON.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show identify
/c0/p5 Identify Status = on</pre>
</dd>
<p></p>
<dt><strong><a name="item_ncq"><em>/cx/px</em> <strong>show</strong> <em>ncq</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command reports the NCQ (Native Command Queueing) information of the drive
associated with the specified port.
</dd>
<dd>
<p>Example (9550SX):</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show ncq
/c0/p5 NCQ Supported = No
/c0/p5 NCQ Enabled = No
Example (9690SA):</pre>
</dd>
<dd>
<pre>
//localhost&gt; /c3/p0 show ncq
/c3/p0 Queuing Supported = Yes
/c3/p0 Queuing Enabled = Yes</pre>
</dd>
<p></p>
<dt><strong><a name="item_lspeed"><em>/cx/px</em> <strong>show</strong> <em>lspeed</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command reports 1) the SATA link speed supported by the drive associated with the
specified port and 2) the actual link speed that the specified port is set to.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show lspeed
/c0/p5 SATA Link Speed Supported = 3.0 Gb/s
/c0/p5 SATA Link Speed = 3.0 Gb/s</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_capacity"><em>/cx/px</em> <strong>show</strong> <em>capacity</em></a></strong><br />
</dt>
<dd>
This command reports the capacity of the drive associated with the specified port in
gigabytes (GB) and in block count. The capacity in GB is computed based
on division by 1000 and not 1024, as is popular with hard disk vendors.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show capacity
/c0/p5 Capacity = 149.05 GB (312581808 Blocks)</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_smart"><em>/cx/px</em> <strong>show</strong> <em>smart</em></a></strong><br />
</dt>
<dd>
This command extracts SMART (Self Monitoring Analysis and Reporting) data from the
specified SATA disk. Note that this data is actually extracted live and as such
this command could be used to get most recent data about the presence of a disk. Be
aware that extracting SMART data will burden the I/O bandwidth.
</dd>
<dd>
<p><strong>Note:</strong> SMART data is applicable for SATA drives only. Therefore, a request
for SMART data for a SAS drive (as with the 9690SA and 9750 controllers) would
result in an error response.</p>
</dd>
<dd>
<p><strong>Note:</strong> For SAS drives, drive attributes that could be extracted from SMART
data is available with the following commands:</p>
</dd>
<dd>
<pre>
/cx/px show temperature
/cx/px show spindlespd
/cx/px show rasect
/cx/px show pohrs</pre>
</dd>
<dd>
<p>for temperature, spindle speed, reallocated sectors, and power-on hours,
respectively. You may also use '<em>/cx/px show all</em>' for all of the drive
attributes.</p>
</dd>
<dd>
<p>Example (9550SX):</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 show smart</pre>
</dd>
<dd>
<pre>
10 00 01 0F 00 C8 C8 00 00 00 00 00 00 00 03 03
00 DA B5 34 08 00 00 00 00 00 04 32 00 64 64 88
00 00 00 00 00 00 05 33 00 C7 C7 01 00 00 00 00
00 00 07 0F 00 C8 C8 00 00 00 00 00 00 00 09 32
00 42 42 2A 63 00 00 00 00 00 0A 13 00 64 64 00
00 00 00 00 00 00 0B 12 00 64 64 00 00 00 00 00
00 00 0C 32 00 64 64 88 00 00 00 00 00 00 BE 22
00 3A 2F 2A 00 00 00 00 00 00 C2 22 00 69 5E 2A
00 00 00 00 00 00 C4 32 00 C7 C7 01 00 00 00 00
00 00 C5 12 00 C8 C8 00 00 00 00 00 00 00 C6 10
00 C8 C8 00 00 00 00 00 00 00 C7 3E 00 C8 C8 01
00 00 00 00 00 00 C8 09 00 C8 C8 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 82 00 74 13 01 7B
03 00 01 00 02 3C 06 00 00 00 00 00 00 00 00 00
00 00 01 04 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 00
00 00 00 00 00 00 00 00 00 00 00 00 00 00 00 85</pre>
</dd>
<dd>
<p>Note that if the disk attached to the specified port is not present or if there is
a connection or cabling problem to the disk, CLI will return an error.</p>
</dd>
<p></p>
<dt><strong><a name="item_driveinfo"><em>/cx/px</em> <strong>show</strong> <em>driveinfo</em> (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command reports drive and connection information about the drive that is
associated with the specified port.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3/p4 show driveinfo</pre>
</dd>
<dd>
<pre>
/c3/p4 Drive Type = SAS
/c3/p4 Interface Type = Direct
/c3/p4 Drive Ports = 2
/c3/p4 Drive Connections = 1</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_all"><em>/cx/px</em> <strong>show</strong> <em>all</em></a></strong><br />
</dt>
<dd>
This command shows the current setting of all above attributes.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_show_dpmstat_type_3d_3cinst_7cra_7clct_"><em>/cx/px</em> <strong>show</strong> <em>dpmstat</em> <em>type=&lt;inst|ra|lct|histdata</em>&gt; (9550SX and higher)</a></strong><br />
</dt>
<dt><strong><em>/cx/px</em> <strong>show</strong> <em>dpmstat</em> <em>type=&lt;inst|ra|lct|histdata|ext</em>&gt; (9650SE and higher)</strong><br />
</dt>
<dd>
This command allows you to request for drive statistics of the specified
type for the specified port. The 'type' in the command specifies which
statistics would be displayed. The options are either: <strong>inst</strong> for
Instantaneous, <strong>ra</strong> for Running Average, <strong>lct</strong> for Long Command Times,
<strong>histdata</strong> for Histogram Data, and <strong>ext</strong> for Extended Drive Statistics.
More detailed information regarding these statistics and the Drive
Performance Monitor is available in the Features section under 'Drive
Performance Monitor'.
</dd>
<dd>
<p>A request for the Running Average statistics, for example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p3 show dpmstat type=ra</pre>
</dd>
<dd>
<pre>
Queue Xfer Resp
Port Status Unit Depth IOPs Rate(MB/s) Time(ms)
---------------------------------------------------------------------
p3 OK u0 0 435 25.249 2</pre>
</dd>
<dd>
<p>Or for the Long Command Times statistics, for example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p3 show dpmstat type=lct</pre>
</dd>
<dd>
<pre>
Port Status Unit
------------------------------
p3 OK u0</pre>
</dd>
<dd>
<pre>
Resp
Date Time Time(ms) --------- CDB / ATA Task File (hex) -----------
------------------------------------------------------------------------------
2007-02-09 13:47:57 383.216 00 80 60 40 92 9f 8a 40 1a 00 00 00 00 00 00 00
2007-02-09 13:47:57 390.809 00 80 60 40 13 eb 30 40 26 00 00 00 00 00 00 00
2007-02-09 13:47:57 405.478 00 80 60 40 61 11 20 40 26 00 00 00 00 00 00 00
2007-02-09 13:47:57 410.379 00 80 60 40 cd 8b b9 40 23 00 00 00 00 00 00 00
2007-02-09 13:47:57 419.002 00 80 60 40 5e df d1 40 29 00 00 00 00 00 00 00
2007-02-09 13:47:57 444.250 00 80 60 40 8b c0 36 40 2e 00 00 00 00 00 00 00
2007-02-09 13:47:57 527.994 00 80 60 40 6e a5 b6 40 03 00 00 00 00 00 00 00
2007-02-09 13:47:57 569.429 00 80 60 40 3b e2 02 40 2d 00 00 00 00 00 00 00
2007-02-09 13:47:57 609.526 00 80 60 40 27 1c e9 40 2b 00 00 00 00 00 00 00
2007-02-09 13:47:57 612.051 00 80 60 40 dd 0b d1 40 2c 00 00 00 00 00 00 00</pre>
</dd>
<dd>
<p>For examples of other statistic data types, please see ``Drive Performance Monitor''
in the 'Features' section.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_remove__5bnoscan_5d__5bquiet_5d"><em>/cx/px</em> <strong>remove</strong> [<em>noscan</em>] [<em>quiet</em>]</a></strong><br />
</dt>
<dd>
This command allows you to remove (or export) a port <strong>/cx/px</strong> (or drive).
Exporting a port will instruct the firmware to remove the specified port
from its pool of managed ports, but retains the DCB (Disk Configuration Block)
meta-data on the attached disk. You can import (or re-introduce) the port
via the <strong>rescan</strong> command. Use <em>noscan</em> to bypass informing the OS of this
change. Default is to inform the OS. The quiet option is for the non-interactive
mode.
</dd>
<dd>
<p>Use caution when using this command. Drives, which are part of a redundant
array, can be removed, but the array will be degraded. Non-redundant drives,
which are part of a unit, can not be removed.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_set_identify_3d_3con_7coff_3e__289550sx"><em>/cx/px</em> <strong>set</strong> <em>identify=&lt;on|off</em>&gt; (9550SX and higher)</a></strong><br />
</dt>
<dd>
This command sets the identify status of the specified port within an enclosure.
If set to ON, the LED of the drive slot associated with the specified port would
blink.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p5 set identify=on
Setting Port Identify on /c0/p5 to [on] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fpx_set_dpmstat_3d_3cclear_3e__5btype_3dra_"><em>/cx/px</em> <strong>set</strong> <em>dpmstat=&lt;clear</em>&gt; <em>[type=ra|lct]</em> (9550SX and higher)</a></strong><br />
</dt>
<dt><strong><em>/cx/px</em> <strong>set</strong> <em>dpmstat=&lt;clear</em>&gt; <em>[type=ra|lct|ext]</em> (9650SE and higher)</strong><br />
</dt>
<dd>
This command clears the statistics counters of the Drive Performance Monitor.
The optional 'type' in the command specifies which set of statistics data would be
cleared. The options are either: <strong>ra</strong> for Running Average, <strong>lct</strong> for Long
Command Times,and <strong>ext</strong> for Extended Drive Statistics. More detailed information
regarding these statistics and the Drive Performance Monitor is available in the
<strong>Features</strong> section under 'Drive Performance Monitor'.
</dd>
<dd>
<p>Please note that if type=ra, both the Running Average and Histogram data are
cleared. If type=lct, only the Long Command Times data would be cleared.
And if type=ext, the extended drive statistics are cleared. If no type is
specified, the default is the same as type=ra.</p>
</dd>
<dd>
<p>Here is an example of clearing the Running Average and Histdata statistics:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p3 set dpmstat=clear type=ra
Clearing Drive Performance Monitor running average data on /c0/p3 ... Done.
Please note this clears the Running Average and Histogram data.</pre>
</dd>
<dd>
<p>If I/O traffic to the drive has been stopped, after clearing, a subsequent
request to show the running average statistics would show all zeros. For
example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/p3 show dpmstat type=ra</pre>
</dd>
<dd>
<pre>
Queue Xfer Resp
Port Status Unit Depth IOPs Rate(MB/s) Time(ms)
---------------------------------------------------------------------
p3 OK u0 0 0 0.000 0</pre>
</dd>
<dd>
<p>Similarly, the display for Histogram data would show all zeros.</p>
</dd>
<dd>
<p>For examples of other statistic data types, please see 'Drive Performance
Monitor' in the 'Features' section.</p>
</dd>
<p></p></dl>
<p>
</p>
<h2><a name="phy_object_messages">Phy Object Messages</a></h2>
<p>Phy Object Messages are commands (a.k.a. methods/messages) that are sent to
an instance of a controller phy such as <em>/c0/phy0</em>.</p>
<dl>
<dt><strong><a name="item__2fcx_2fphyx_show"><em>/cx/phyx</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command is for the 9650SE with Release 9.5.2 or later, and 9690SA
and newer controllers only. This command presents a summary report on the
specified phy. The 'Device Type' column indicates whether the connected
device is an enclosure, or a drive of type SATA or SAS. The 'Device' column
is the device ID or handle. There are three 'Link Speed' columns: 'Supported'
denotes the link speed capability of the phy/device, 'Enable' denotes the
current link speed setting, and 'Control' denotes the link control setting.
Note that the Supported and Enabled values are not changeable. The Control
value is the link speed that may be set with the '/cx/phyx set link' command.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c3/phy0 show</pre>
</dd>
<dd>
<pre>
Device --- Link Speed (Gbps) ---
Phy SAS Address Type Device Supported Enabled Control
-----------------------------------------------------------------------------
phy0 2007020800153811 SATA /c3/p1 1.5-3.0 3.0 1.5</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fphyx_set_link_3d_3cauto_7c1_2e5_7c3_2e0_3e"><em>/cx/phyx</em> <strong>set</strong> <em>link=&lt;auto|1.5|3.0</em>&gt; (9650SE and higher)</a></strong><br />
</dt>
<dd>
This command is for the 9650SE (with Release 9.5.2 or higher), and the 9690SA
controllers only. This command sets the link speed of the specified
phy. The unit of link speed is in gigabits per second (Gbps). The default
is <em>auto</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/phy0 set link=1.5
Setting Link Speed Control on /c0/phy0 to [1.5 Gbps] ... Done.
The link speed change will take effect after system reboot.</pre>
</dd>
<dd>
<p><strong>Note:</strong> After link speed control is set to a different value, it is necessary
to reboot the controller for the new link speed to take effect.</p>
</dd>
<dd>
<p>See alo:</p>
</dd>
<dd>
<pre>
/cx show phy
/cx/phyx show</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fphyx_set_link_3d_3cauto_7c1_2e5_7c3_2e0_7c"><em>/cx/phyx</em> <strong>set</strong> <em>link=&lt;auto|1.5|3.0|6.0</em>&gt; (9750 only)</a></strong><br />
</dt>
<dd>
This command is for the 9750 controller only. This command sets the link speed
of the specified phy. The unit of link speed is in gigabits per second (Gbps).
The default is <em>auto</em>.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/phy0 set link=6.0
Setting Link Speed Control on /c0/phy0 to [6.0 Gbps] ... Done.
The link speed change will take effect after system reboot.</pre>
</dd>
<dd>
<p><strong>Note:</strong> After link speed control is set to a different value, it is necessary
to reboot the controller for the new link speed to take effect.</p>
</dd>
<dd>
<p>See alo:</p>
</dd>
<dd>
<pre>
/cx show phy
/cx/phyx show</pre>
</dd>
<p></p></dl>
<p>
</p>
<h2><a name="bbu_object_messages">BBU Object Messages</a></h2>
<p>BBU (Battery Backup Unit) Object Messages are commands (a.k.a. methods/messages)
that are sent to an instance of a BBU such as <em>/c0/bbu</em>. The commands in this
section are available on 9000 series controllers where the BBU is installed.</p>
<dl>
<dt><strong><a name="item__2fcx_2fbbu_show"><em>/cx/bbu</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command reports summary information on the specified BBU object.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /cx/bbu show</pre>
</dd>
<dd>
<pre>
Name OnlineState BBUReady Status Volt Temp Hours LastCapTest
---------------------------------------------------------------------------
bbu On No Testing OK OK 72 01-Jul-2009</pre>
</dd>
<dd>
<p>This summary shows that the date the battery capacity was last measured is
01-Jul-2009. The battery is estimated to last for 72 hours from the last tested
date. The BBU unit is currently testing the battery. Both voltage and temperature
are normal. The BBU is <strong>not</strong> ready for backup of the write cache on the
controller due to the testing.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_attribute_attribute__2e_2e_2e"><em>/cx/bbu</em> <strong>show</strong> <em>Attribute Attribute ...</em></a></strong><br />
</dt>
<dd>
This command shows the current setting of the given <em>attribute(s)</em> on the
BBU board. One or many attributes can be requested. Invalid attribute will
terminate the loop. Possible attributes are: batinst, bootloader, cap,
fw, lasttest, pcb, ready, serial, status, tempstat, tempval, and volt.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_status"><em>/cx/bbu</em> <strong>show</strong> <em>status</em></a></strong><br />
</dt>
<dd>
This command <strong>show</strong>s the status of the BBU. Possible values are:
</dd>
<p><strong>Testing</strong></p>
<p>Battery test is currently in progress. It may take up to 24 hours to complete.
During the test, the BBU is <strong>not</strong> capable of backup operation and the write
cache of the applicable RAID units are also disabled. If the test is completed with
no error and the BBU returns back to WeakBat or OK state, the write cache will be resumed.
If a Fault, Failed or an Error occurs during the test, the write cache remains at the
disabled state until the problem is fixed.</p>
<p><strong>Charging</strong></p>
<p>BBU is currently charging the battery. The charging is started automatically
by the BBU whenever necessary. During the charging, the BBU is <strong>not</strong> capable
of backup operation and the write cache is disabled. Once charging is completed
and the BBU returns back to OK status, the write cache will be
resumed. If a FAULT or an ERROR occurs during the test, the write cache remains
at the disabled state until the problem is fixed.</p>
<p><strong>Fault</strong></p>
<p>A battery fault is detected. At this state, the BBU is <strong>not</strong> capable of backup
operation and the write cache is disabled. We recommend you to replace the
battery and/or the BBU board to fix the problem as soon as possible so that the
write cache will be enabled again.</p>
<p><strong>Error</strong></p>
<p>Other BBU error is detected. At this state, the BBU is <strong>not</strong> capable of backup
operation and the write cache is disabled. We recommend you to replace the
battery and/or the BBU board to fix the problem as soon as possible so that the
write cache will be enabled again.</p>
<p><strong>Failed</strong></p>
<p>The battery failed a test. At this state, the BBU is <strong>not</strong> capable of backup
operation and the write cache is disabled. We recommend you to replace the
battery and/or the BBU board to fix the problem as soon as possible so that the
write cache will be enabled again.</p>
<p><strong>WeakBat</strong></p>
<p>BBU is functioning normally which means it is online and capable of backing up the
write cache. But the battery is <strong>weak</strong> and should be <strong>replaced</strong>.</p>
<p><strong>OK</strong></p>
<p>BBU is ready, online and capable of backing up the write cache.</p>
<p><strong>-</strong></p>
<p>Battery is not present or BBU unit is not installed.</p>
<dt><strong><a name="item__2fcx_2fbbu_show_batinst"><em>/cx/bbu</em> <strong>show</strong> <em>batinst</em></a></strong><br />
</dt>
<dd>
This command reports the date when the current battery was installed.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_lasttest"><em>/cx/bbu</em> <strong>show</strong> <em>lasttest</em></a></strong><br />
</dt>
<dd>
This command reports the date the battery capacity was last measured.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_volt"><em>/cx/bbu</em> <strong>show</strong> <em>volt</em></a></strong><br />
</dt>
<dd>
This command reports the voltage status of the battery. The status can be OK,
HIGH, LOW, TOO-HIGH, and TOO-LOW. The HIGH and LOW are in warning range. TOO-HIGH
and TOO-LOW are out of the operating range and need to be concerned.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_temp"><em>/cx/bbu</em> <strong>show</strong> <em>temp</em></a></strong><br />
</dt>
<dt><strong><a name="item__2fcx_2fbbu_show_tempstat"><em>/cx/bbu</em> <strong>show</strong> <em>tempstat</em></a></strong><br />
</dt>
<dd>
This command reports the temperature status of the battery. The status can be
OK, HIGH, LOW, TOO-HIGH, and TOO-LOW. The HIGH and LOW are in warning range.
TOO-HIGH and TOO-LOW are out of the operating range and need to be concerned.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_tempval"><em>/cx/bbu</em> <strong>show</strong> <em>tempval</em></a></strong><br />
</dt>
<dd>
This command reports the detected temperature value in the battery.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_cap"><em>/cx/bbu</em> <strong>show</strong> <em>cap</em></a></strong><br />
</dt>
<dd>
This command reports the battery capacity in hours.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_serial"><em>/cx/bbu</em> <strong>show</strong> <em>serial</em></a></strong><br />
</dt>
<dd>
This command reports the BBU serial number.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_fw"><em>/cx/bbu</em> <strong>show</strong> <em>fw</em></a></strong><br />
</dt>
<dd>
This command reports the BBU board firmware version number.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_pcb"><em>/cx/bbu</em> <strong>show</strong> <em>pcb</em></a></strong><br />
</dt>
<dd>
This command reports the PCB revision number on the BBU unit.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_bootloader"><em>/cx/bbu</em> <strong>show</strong> <em>bootloader</em></a></strong><br />
</dt>
<dd>
This command reports the BBU's Boot Loader version.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_show_all"><em>/cx/bbu</em> <strong>show</strong> <em>all</em></a></strong><br />
</dt>
<dd>
This command shows the current settings of all above attributes on the BBU
board.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1/bbu show all</pre>
</dd>
<dd>
<pre>
/c1/bbu Firmware Version = BBU: 1.04.00.007
/c1/bbu Serial Number = Engineering Sample.
/c1/bbu Online State = On
/c1/bbu BBU Ready = Yes
/c1/bbu BBU Status = OK
/c1/bbu Battery Voltage = OK
/c1/bbu Battery Temperature = OK
/c1/bbu Estimated Backup Capacity = 241 Hours
/c1/bbu Last Capacity Test = 22-Jun-2004
/c1/bbu Battery Intallation Date = 20-Jun-2004
/c1/bbu Bootloader Version = BBU 0.02.00.002
/c1/bbu PCB Revision = 65</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_test__5bquiet_5d"><em>/cx/bbu</em> <strong>test</strong> [<em>quiet</em>]</a></strong><br />
</dt>
<dd>
This command starts the battery capacity test. The test may take up to 24 hours
to complete. During the test, the BBU is <strong>not</strong> capable of backup operation
and the write cache is disabled. The performance of all units under the
controller may be impacted because their write IOs are not cached. Once the test
is completed with no error and the BBU returns back to OK state, the write cache
will be resumed. The quiet option is for non-interactive mode.
</dd>
<dd>
<p>After the test has initiated, check the controller alarms for any AENs (Asynchronous
Event Notifications) about the status of the test operation.</p>
</dd>
<dd>
<p><strong>Note:</strong> The test cannot be terminated before it completes.</p>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_enable"><em>/cx/bbu</em> <strong>enable</strong></a></strong><br />
</dt>
<dd>
This command enables BBU detection on the controller. The controller will utilize BBU
functionality in the event of power failure if BBU is there and ready.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fbbu_disable__5bquiet_5d"><em>/cx/bbu</em> <strong>disable</strong> <strong>[quiet]</strong></a></strong><br />
</dt>
<dd>
This command disables BBU detection on the controller. The controller ignores the
existence of the BBU when BBU detection is disabled. In another words, despite
a BBU being attached to a controller, with BBU detection disabled, storage management
software will report that there is no BBU installed on this controller. The quiet
option is for non-interactive mode.
</dd>
<p></p></dl>
<p>
</p>
<h2><a name="enclosure_object_messages">Enclosure Object Messages</a></h2>
<p>Enclosure Object Messages are commands (a.k.a. methods/messages) that are sent to an
instance of an enclosure such as e0. The enclosure element object messages are
commands sent to an instance of the enclosure element such as fan0. The subsections
which follow describe the commands of the enclosure and the enclosure elements. The
latter includes commands for the slot, fan, temperature sensor, and power supply
elements.</p>
<p>The command descriptions and examples of this section are shown with the syntax
of the controller object pre-pended to the enclosure object (i.e., /cx/ex).
For systems with the 9650SE controller or CCU enclosure, simply drop the pre-pended
controller name in the command, as, not '/c1/e0' but '/e0'.</p>
<p>The following table summarizes the supported controllers, protocols,
configurations, and enclosure elements.</p>
<pre>
--------------------------+------------------------------------------
Controller -&gt; | 9650SE | 9690SA and above
--------------------------+------------------------------------------
Configuration/Protocol -&gt; | CCU/SAF-TE | SES-2 | SES-2
--------------------------+------------+-----------+-----------------
Syntax -&gt; | /ex | /ex | /cx/ex
-----------+--------------+------------+-----------+-----------------
| Slot | Y | Y | Y
|--------------+------------+-----------+-----------------
| Fan | Y | Y | Y
Enclosure |--------------+------------+-----------+-----------------
Elements | Temp Sensor | Y | Y | Y
Supported |--------------+------------+-----------+-----------------
| Power Supply | N | Y | Y
|--------------+------------+-----------+-----------------
| Alarm | N | Y | Y
-----------+--------------+------------+-----------+-----------------</pre>
<dl>
<dt><strong><a name="item__2fcx_2fex_show"><em>/cx/ex</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command shows summary information on the specified enclosure <em>/ex</em>, along
with the elements supported or associated with the specified enclosure. This
report consists of several parts, depending on the available elements of the
enclosure. Typically, the summary consists of an <strong>Enclosure</strong> section, a <strong>Fan</strong>
section, a <strong>Temperature Sensor</strong> section, and a <strong>Slot</strong> section.
</dd>
<dd>
<p>Typical output looks like:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0 show</pre>
</dd>
<dd>
<pre>
Encl Status
---------------------------
/c0/e0 OK</pre>
</dd>
<dd>
<pre>
Fan Status State Step RPM Identify
------------------------------------------------------------
fan0 OK ON 1 2670 Off
fan1 OK ON 1 9500 Off
fan2 OK ON 1 8540 Off
fan3 OK ON 1 2830 Off
fan4 OK ON 1 9120 Off
fan5 OK ON 1 8330 Off</pre>
</dd>
<dd>
<pre>
TempSensor Status Temperature Identify
--------------------------------------------------------
temp0 OK 41C(105F) Off
temp1 OK 38C(100F) Off
temp2 OK 34C(93F) Off
temp3 OK 38C(100F) Off
temp4 OK 38C(100F) Off
temp5 OK 34C(93F) Off
temp6 NOT-INSTALLED - Off
temp7 NOT-INSTALLED - Off</pre>
</dd>
<dd>
<pre>
PowerSupply Status State Voltage Current Identify
---------------------------------------------------------------------------
pwrs0 OK on OK OK Off
pwrs1 OK on OK OK Off
Slot Status (V)Port Identify
--------------------------------------------------
slot0 OK /c0/p0 Off
slot1 NO-DEVICE - Off
slot2 OK /c0/p1 Off
slot3 OK /c0/p2 Off
slot4 OK /c0/p3 Off
slot5 OK /c0/p4 Off
slot6 OK /c0/p5 Off
slot7 OK /c0/p6 Off
slot8 OK /c0/p7 Off
slot9 OK /c0/p8 Off
slot10 OK /c0/p9 Off
slot11 NO-DEVICE - Off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_attribute_attribute__2e_2e_2e"><em>/cx/ex</em> <strong>show</strong> <em>Attribute</em> <em>Attribute ...</em></a></strong><br />
</dt>
<dd>
This command shows the current setting of the given <em>attribute(s)</em>. One or many
attributes can be requested. An invalid attribute will terminate the loop. Possible
attributes are: vendor, prodid, prodrev, firmware, controllers, slots, fans, temp
and pwrs.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_vendor"><em>/cx/ex</em> <strong>show</strong> <em>vendor</em></a></strong><br />
</dt>
<dd>
This command reports the product vendor of the specified enclosure.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1/e0 show vendor
/c1/e0 Vendor = LSI</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_prodid"><em>/cx/ex</em> <strong>show</strong> <em>prodid</em></a></strong><br />
</dt>
<dd>
This command reports the product ID of the specified enclosure.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1/e0 show prodid
/c1/e0 Product ID = DE1600-SAS</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_prodrev"><em>/cx/ex</em> <strong>show</strong> <em>prodrev</em></a></strong><br />
</dt>
<dd>
This command reports the product revision of the specified enclosure.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1/e0 show prodrev
/c1/e0 Product Revision = 0314</pre>
</dd>
<p></p>
<dt><strong><a name="item_firmware"><em>/cx/ex</em> <strong>show</strong> <em>firmware</em> (9690SA and 9750 only)</a></strong><br />
</dt>
<dd>
This command reports the <code>SEP(s)</code> and corresponding firmware version in the
specified expander. Unlike other enclosure show commands, this is for the 9690SA
and 9750 controllers with Release 10.2 or later only.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1/e0 show firmware
/c1/e0 SEP=0, Firmware Version = 90.00.03.14
/c1/e0 SEP=1, Firmware Version = 90.00.03.14</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx/ex update fw=filename_with_path [sep=n] [force]</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_controllers"><em>/cx/ex</em> <strong>show</strong> <em>controllers</em></a></strong><br />
</dt>
<dd>
This command reports the controller that the specified enclosure is attached to.
For the new syntax, this command is not very useful, since the controller that the
enclosure is attached to is known and is part of the input command. This command
was designed mainly for enclosures with the older syntax.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0 show controllers
/c0/e0 connects to controller /c0</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_slots"><em>/cx/ex</em> <strong>show</strong> <em>slots</em></a></strong><br />
</dt>
<dd>
This command reports summary information of the slots within the specified
enclosure. In the information table, the Slot column lists the slot IDs, the
Status column lists the status of each slot, the (V)Port column shows the
associated port or virtual port of each slot, and finally, the Identify column
lists the Identify setting of the slots.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /e0 show slots</pre>
</dd>
<dd>
<pre>
Slot Status (V)Port Identify
----------------------------------------------------
slot0 OK /c0/p0 No
slot1 OK /c0/p1 Yes
slot2 NO-DEVICE - No
slot3 NO-DEVICE - No</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_fans"><em>/cx/ex</em> <strong>show</strong> <em>fans</em></a></strong><br />
</dt>
<dd>
This command reports summary information of the fans within the specified
enclosure. In the information table, the Fan column lists the fan IDs, the
Status column lists the status of each fan, the State column shows if the fan
is ON or OFF. The two columns related to fan speed shows the level and RPM
(revolutions per minute), and finally, the Identify column lists the Identify
setting of the fans.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0 show fans
---Speed---
Fan Status State Step RPM Identify
------------------------------------------------------------
fan0 OK ON 1 2670 Off
fan1 OK ON 1 9370 Off
fan2 OK ON 1 8540 Off
fan3 OK ON 1 2810 Off
fan4 OK ON 1 9240 Off
fan5 OK ON 1 8330 Off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_temps"><em>/cx/ex</em> <strong>show</strong> <em>temps</em></a></strong><br />
</dt>
<dd>
This command reports summary information of the temperature sensors within the
specified enclosure. In the information table, the TempSensor column lists the
temperature sensor IDs, the Status column lists the status of each temperature
sensor, the Temperature column shows the temperature at the sensors, and finally,
the Identify column lists the Identify setting of the temperature sensors.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0 show temps</pre>
</dd>
<dd>
<pre>
TempSensor Status Temperature Identify
--------------------------------------------------------
temp0 OK 41C(105F) Off
temp1 OK 37C(98F) Off
temp2 OK 34C(93F) Off
temp3 OK 38C(100F) Off
temp4 OK 38C(100F) Off
temp5 OK 34C(93F) Off
temp6 NOT-INSTALLED - Off
temp7 NOT-INSTALLED - Off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_pwrs"><em>/cx/ex</em> <strong>show</strong> <em>pwrs</em></a></strong><br />
</dt>
<dd>
This command reports summary information of the power supplies within the
specified enclosure. In the information table, the PowerSupply column lists
the IDs of the power supply, the Status column lists the status of each
power supply, the State column indicate if the unit is ON or OFF, the Voltage
and Current columns indicate whether the voltage or current is under or over
the required thresholds, and finally, the Identify column lists the Identify
setting of the power supplies.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0 show pwrs
PowerSupply Status State Voltage Current Identify
---------------------------------------------------------------------------
pwrs0 OK on OK OK Off
pwrs1 OK on OK OK Off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_alarms"><em>/cx/ex</em> <strong>show</strong> <em>alarms</em></a></strong><br />
</dt>
<dt><strong><a name="item__2fcx_2fex_show_alms"><em>/cx/ex</em> <strong>show</strong> <em>alms</em></a></strong><br />
</dt>
<dd>
This command reports summary information of the alarms within the specified
enclosure. In the information table, the Alarm column lists the alarm units' IDs,
the Status column lists the status of each alarm, the State column indicates if
the alarm unit is ON or OFF, and the Audibility column indicate whether the alarm
is unmute or muted.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0 show alarms</pre>
</dd>
<dd>
<pre>
Alarm Status State Audibility
---------------------------------------------------
alm0 OK OFF UNMUTE</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_show_all"><em>/cx/ex</em> <strong>show</strong> <em>all</em></a></strong><br />
</dt>
<dd>
This command shows the current setting of all the enclosure attributes and
the enclosure summary tables.
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_update_fw_3dfilename_with_path__5bsep_3"><em>/cx/ex</em> <strong>update</strong> <em>fw=filename_with_path</em> <strong>[sep=n] [force]</strong> (9690SA and 9750 only)</a></strong><br />
</dt>
<dd>
This command allows you to download a specified expander firmware image to the
target SEP (Storage Enclosure Processor) expander that supports the SES-2
(SCSI Enclosure Services) standard for enclosure management. (CCU enclosures
with SAF-TE protocol are not supported.)
</dd>
<dd>
<p>This command is for the 9690SA and 9750 controllers with Release 10.2 or later only.</p>
</dd>
<dd>
<p>The <strong>fw=filename_with_path</strong> attribute allows you to specify the firmware image file
name along with its path. Please note that <em>filename_with_path</em> could not have
spaces (as Windows allows).</p>
</dd>
<dd>
<p>The firmware image specified by <em>filename_with_path</em> will be validated and examined
for version difference. If the image is valid a subsequent message will indicate
the detected version difference, along with a table showing the SEP number and the
firmware versions. You are then asked with a prompt to continue. If you enter ``y'',
the download process will initiate.</p>
</dd>
<dd>
<p>The <strong>sep=n</strong> attribute is optional. It identifies the target SEP expander in the
system. Valid range is {0..9}. Without it being specified, the default which is
0 (zero), will be used.</p>
</dd>
<dd>
<p>The <strong>force</strong> attribute is optional. With it the warning message, version check, and
prompt to proceed are all bypassed. The image will initiate the download immediately.</p>
</dd>
<dd>
<p><strong>IMPORTANT! Please note the following regarding usage of this command.</strong></p>
</dd>
<dd>
<p>1) The expander models that are supported with this command are indicated in a
compatibility list for your reference. Only expander models in this list are supported.
Please refer to: <a href="http://www.lsi.com/channel/support/marketing_resources/index.html">http://www.lsi.com/channel/support/marketing_resources/index.html</a>.
Click on the <em>Data and Interoperability</em> tab, and then click on the <em>3ware
Interoperability Information</em> link to check if your expander is supported.</p>
</dd>
<dd>
<p>2) Please make sure there is no I/O activity between the controller and the target
expander during the download process. For example, be sure to unmount any mounted
volumes, or stop any background tasks that may be running and do not start or
schedule any background tasks such as rebuilds or verifies with the units or drives
in the target expander during the time of download.</p>
</dd>
<dd>
<p>3) The expander requires reboot for the new firmware image to take effect.</p>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c1/e0 update fw=c:\tmp\Badger_0314.esm</pre>
</dd>
<dd>
<pre>
Warning: Updating firmware that is incompatible with your device can
render the device unusable. Before you update the firmware, it is
recommended that you:</pre>
</dd>
<dd>
<pre>
1) Backup your data.</pre>
</dd>
<dd>
<pre>
2) Verify with your enclosure vendor that you have the correct image.</pre>
</dd>
<dd>
<pre>
3) Have a copy of the existing expander firmware image so that
you can roll back, if necessary.</pre>
</dd>
<dd>
<pre>
4) Make sure there is no I/O activity between the controller and
the target expander (see instructions in user documentation).</pre>
</dd>
<dd>
<pre>
Examining firmware image for download to /c1/e0 ... Done.</pre>
</dd>
<dd>
<pre>
Download version is newer than current.</pre>
</dd>
<dd>
<pre>
SEP New-Firmware Current-Firmware Vendor
----------------------------------------------------------------
0 90.00.03.15 80.00.03.13 LSI</pre>
</dd>
<dd>
<pre>
Given the above compatibility information ...
Do you want to continue? Y|N [N]: y</pre>
</dd>
<dd>
<pre>
Downloading the expander firmware from file [c:\tmp\Badger_0315.esm] ... Done.
The new image will take effect after reboot.</pre>
</dd>
<dd>
<p>In the output response to the command above, after</p>
</dd>
<dd>
<pre>
Examining firmware image for download to /c1/e0 ... Done.</pre>
</dd>
<dd>
<p>A message is displayed regarding the version examination. In the example, it
shows ``Download version is newer than current.'' Depending on the examination,
the message may be one of:</p>
</dd>
<dd>
<pre>
Download version is newer than current.
Download version is older than current.
Both versions are the same.
Version not known.</pre>
</dd>
<dd>
<p>If an error is detected in the examination, the message you will see may be one of:</p>
</dd>
<dd>
<pre>
Firmware image is not compatible with expander.
Can not download firmware image, expander type unknown.
Expander returned error to SES download microcode command.
Enclosure firmware upgrade not supported by the controller; Try after upgrading controller firmware.
Expander firmware image format not known.</pre>
</dd>
<dd>
<p>See also:</p>
</dd>
<dd>
<pre>
/cx/ex show firmware</pre>
</dd>
<p></p></dl>
<p>
</p>
<h3><a name="enclosure_element_slot">Enclosure Element Slot</a></h3>
<p>The slot commands provide information about the slot elements in the enclosure unit.</p>
<dl>
<dt><strong><a name="item__2fcx_2fex_2fslotx_show"><em>/cx/ex/slotx</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command shows slot information on the specified enclosure <em>/ex</em>. The slot
name is followed by its status. If a slot has been inserted with a drive and no
fault has been detected, the status would indicate OK. If the slot is empty the
status would indicate NO-DEVICE. The port that is correlated to the slot is
indicated in the next column. If no device is found in that slot, this column
would show a dash ('-'). The next column shows whether the specified slot has
been identified.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/slot1 show</pre>
</dd>
<dd>
<pre>
Slot Status (V)Port Identify
----------------------------------------------------
slot1 OK /c0/p1 On</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2fslotx_show_identify"><em>/cx/ex/slotx</em> <strong>show</strong> <em>identify</em></a></strong><br />
</dt>
<dd>
This command shows the identify status of the specified enclosure slot. If
Identify = ON, the LED associated with the slot will blink. Likewise, for
Identify = OFF, the LED associated will stop blinking or would not blink. If
the enclosure does not support Slot Identify, this command will respond with
'N/A'.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/slot1 show identify
/c0/e0/slot1 Identify status = on</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2fslotx_set_identify_3d_3con_7coff_3e"><em>/cx/ex/slotx</em> <strong>set</strong> <em>identify=&lt;on|off</em>&gt;</a></strong><br />
</dt>
<dd>
This command identifies the specified slot by setting the identify attribute
to either ON or OFF, if there is an LED associated and if the enclosure supports
Slot Identify. If supported, setting it to ON will blink the LED of the
specified drive slot. For example:
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/slot1 set identify=on
Setting Slot Identify on /c0/e0/slot1 to [on] ... Done.</pre>
</dd>
<p></p></dl>
<p>
</p>
<h3><a name="enclosure_element_fan">Enclosure Element Fan</a></h3>
<p>These commands provide information about the fans in the enclosure unit.</p>
<dl>
<dt><strong><a name="item__2fcx_2fex_2ffanx_show"><em>/cx/ex/fanx</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command shows information about the specified enclosure fan.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/fan0 show
---Speed---
Fan Status State Step RPM Identify
------------------------------------------------------------
fan0 OK ON 1 2700 Off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2ffanx_show_identify"><em>/cx/ex/fanx</em> <strong>show</strong> <em>identify</em></a></strong><br />
</dt>
<dd>
This command shows the identify status of the specified enclosure fan. If
Identify = ON, the LED associated with the fan will blink. Likewise, for
Identify = OFF, the LED associated will stop blinking or would not blink. If
the enclosure does not support Fan Identify, this command will respond with
'N/A'.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/fan0 show identify
/c0/e0/fan0 Identify status = off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2ffanx_set_identify_3d_3con_7coff_3e"><em>/cx/ex/fanx</em> <strong>set</strong> <em>identify=&lt;on|off</em>&gt;</a></strong><br />
</dt>
<dd>
This command identifies the specified enclosure fan by setting the identify
attribute to either on or off, if there is an LED associated and if the
enclosure supports Fan Identify. If supported, setting it to ON will blink
the LED associated with the specified fan element.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/fan1 set identify=on
Setting Fan Identify on /c0/e0/fan1 to [on] ... Done.</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2ffanx_set_speed_3d_3c0_2e_2e7_3e"><em>/cx/ex/fanx</em> <strong>set</strong> <em>speed=&lt;0..7</em>&gt;</a></strong><br />
</dt>
<dd>
This command sets the speed level of the specified enclosure fan. The speed
level is a number in the range of &lt;0..7&gt;, where:
</dd>
<dd>
<pre>
0 - Off
1 - Lowest
2 - Low
3 - Medium-low
4 - Medium
5 - Medium-high
6 - High
7 - Highest</pre>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/fan1 set speed=1
Setting Fan Speed on /c0/e0/fan1 to [1] ... Done.</pre>
</dd>
<p></p></dl>
<p>
</p>
<h3><a name="enclosure_element_temperature_sensor">Enclosure Element Temperature Sensor</a></h3>
<p>These commands provide information about the temperature sensors in
the enclosure unit.</p>
<dl>
<dt><strong><a name="item__2fcx_2fex_2ftempx_show"><em>/cx/ex/tempx</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command shows information about the specified enclosure temperature sensor.
The possible status values are OK, OVER-WARNING, OVER-FAIL, UNDER-WARNING,
UNDER-FAIL, where OVER denotes over-temperature and UNDER denotes under-temperature.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/temp0 show</pre>
</dd>
<dd>
<pre>
TempSensor Status Temperature Identify
--------------------------------------------------------
temp0 OK 42C(107F) Off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2ftempx_show_identify"><em>/cx/ex/tempx</em> <strong>show</strong> <em>identify</em></a></strong><br />
</dt>
<dd>
This command shows the identify status of the specified enclosure temperature
sensor. If Identify = ON, the LED associated with the temperature sensor will
blink. Likewise, for Identify = OFF, the LED associated will stop blinking
or would not blink. If the enclosure does not support Temperature Sensor
Identify, this command will respond with 'N/A'.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/temp0 show identify
/c0/e0/temp0 Identify status = off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2ftempx_set_identify_3d_3con_7coff_3e"><em>/cx/ex/tempx</em> <strong>set</strong> <em>identify=&lt;on|off</em>&gt;</a></strong><br />
</dt>
<dd>
This command identifies the specified enclosure temperature sensor by setting the
identify attribute to either ON or OFF, if there is an LED associated and if the
enclosure supports Temperature Sensor Identify. If supported, setting it to
ON will blink the LED associated with the specified temperature element.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/temp1 set identify=on
Setting Temperature Sensor Identify on /c0/e0/temp1 to [on] ... Done.</pre>
</dd>
<p></p></dl>
<p>
</p>
<h3><a name="enclosure_element_power_supply">Enclosure Element Power Supply</a></h3>
<p>These commands provide information about the enclosure power supplies in the
enclosure unit.</p>
<dl>
<dt><strong><a name="item__2fcx_2fex_2fpwrsx_show"><em>/cx/ex/pwrsx</em> <strong>show</strong></a></strong><br />
</dt>
<dd>
This command shows information about the specified enclosure power supply.
The possible status values are OK, FAIL, NOT-INSTALLED, and OFF. The voltage
and current columns indicate the threshold voltage and current status. The
possible values for Voltage are OK, OVER-VOLTAGE, and UNDER-VOLTAGE. The
possible values for Current are OK and OVER-CURRENT. In either case,
OVER- means over the set threshold of the voltage or current.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/pwrs0 show</pre>
</dd>
<dd>
<pre>
PowerSupply Status State Voltage Current Identify
---------------------------------------------------------------------------
pwrs0 OK on OK OK Off</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2fpwrsx_show_identify"><em>/cx/ex/pwrsx</em> <strong>show</strong> <em>identify</em></a></strong><br />
</dt>
<dd>
<pre>
This command shows the identify status of the specified enclosure power supply.
If Identify = ON, the LED associated with the fan will blink. Likewise, for
Identify = OFF, the LED associated will stop blinking or would not blink. If
the enclosure does not support Power Supply Identify, this command will
respond with 'N/A'.</pre>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/pwrs0 show identify
/c0/e0/pwrs0 Identify status = off</pre>
</dd>
<dt><strong><a name="item__2fcx_2fex_2fpwrsx_set_identify_3d_3con_7coff_3e"><em>/cx/ex/pwrsx</em> <strong>set</strong> <em>identify=&lt;on|off</em>&gt;</a></strong><br />
</dt>
<dd>
This command identifies the specified enclosure power supply by setting the
identify attribute to either ON or OFF, if there is an LED associated and if
the enclosure supports Power Supply Identify. If supported, setting it to ON
will blink the LED associated with the specified power supply.
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/pwrs1 set identify=on
Setting Power Supply Identify on /c0/e0/pwrs1 to [on] ... Done.</pre>
</dd>
<p></p></dl>
<p>
</p>
<h3><a name="enclosure_element_alarm">Enclosure Element Alarm</a></h3>
<p>These commands provide information about the enclosure alarms in the enclosure unit.</p>
<dl>
<dt><strong><em>/cx/ex/pwrsx</em> <strong>show</strong></strong><br />
</dt>
<dd>
This command shows information about the specified enclosure alarm. The possible
status values are OK, FAIL, NOT-INSTALLED, and ACTIVATED. The status values
are described below. The possible values for State are ON and OFF. The possible
values for Audibility are UNMUTE and MUTE.
</dd>
<dd>
<p>Possible Status values:</p>
</dd>
<dd>
<pre>
OK - Alarm device is functional and operational.
FAIL - Alarm device has malfunctioned and is not operational.
NOT-INSTALLED - Alarm device has not been installed.
ACTIVATED - Alarm device is functional, and an error condition has been detected.
This is a visual indication for the alarm, in the event that it may be muted.</pre>
</dd>
<dd>
<p>Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/alm0 show</pre>
</dd>
<dd>
<pre>
Alarm Status State Audibility
---------------------------------------------------
alm0 OK OFF UNMUTE</pre>
</dd>
<p></p>
<dt><strong><a name="item__2fcx_2fex_2falmx_set_alarm_3d_3cmute_7cunmute_7co"><em>/cx/ex/almx</em> <strong>set</strong> <em>alarm=&lt;mute|unmute|off</em>&gt;</a></strong><br />
</dt>
<dd>
This command controls the audibility and state of the enclosure alarm. It provides
the ability to silence the alarm after it has been turned on. It also gives you
the option to mute or unmute the alarm setting. In the case where a known
condition would set off the alarm and you do not wish to hear the sound of the
alarm, this command could be used to mute the potential audible alarm.
</dd>
<dd>
<p><strong>Note:</strong> Some enclosures support alarms but not the mute/unmute function. For
these enclosures, the command to set the alarm to <em>mute</em> will return an error
message indicating that the feature is not supported. In this case, the alarm
setting of <em>unmute</em> would seem to be supported. This is because the <em>unmute</em>
setting is the default and as such there is no error response. In effect, for
these enclosures, the alarm is not mutable and would stay unmute
.
Example:</p>
</dd>
<dd>
<pre>
//localhost&gt; /c0/e0/alm0 set alarm=unmute
Setting alarm audibility setting of /c0/e0/alm0 to [unmute] ... Done.</pre>
</dd>
<dd>
<p><strong>Note:</strong> You <em>cannot</em> turn ON the alarm. The alarm is turned on by firmware when
it detects a degraded state pertaining to a drive or array. Setting the alarm
to ON will return an error.</p>
</dd>
<dd>
<p>If an error condition or degraded state has been detected, the enclosure alarm
or buzzer would be audible. To silence the alarm you may set the state of the
alarm to OFF. You could also mute the alarm. The difference between using
either is the following:
</p>
</dd>
<dd>
<pre>
State or Audibility Persistence across reboot
------------------- -------------------------
ON/OFF Yes
MUTE/UNMUTE No</pre>
</dd>
<dd>
<p>For OFF, after you reboot, the alarm will sound as long as the system is
still in a degraded state (i.e., the alarm is persistent across reboot).</p>
</dd>
<dd>
<p>For MUTE, after you reboot, the alarm will no longer sound even though the
system is still in a degraded state (i.e., the alarm would not appear persistent
across reboot).</p>
</dd>
<dd>
<p>For enclosures that do not support MUTE, there is no difference between OFF
and MUTE.</p>
</dd>
<dd>
<p>The default values are UNMUTE and OFF.</p>
</dd>
<p></p></dl>
<p>
</p>
<hr />
<h1><a name="help_commands">Help Commands</a></h1>
<p>The set of Help Command provides brief online help. Online help provides
command syntax information, while detail about the command is deferred
to the manpage. Just as the command set have implicit leveling that starts
with the Shell object, online help also follows this leveling structure.</p>
<p>At top level of online help shows the set of objects that Help provides,
these includes the shell object, and controller and enclosure objects:</p>
<pre>
//localhost&gt; help</pre>
<pre>
Copyright (c) 2010 LSI
LSI/3ware CLI (version 2.00.11.014)</pre>
<pre>
Commands Description
-------------------------------------------------------------------
show Displays information about controller(s), unit(s) and port(s).
flush Flush write cache data to units in the system.
rescan Rescan all empty ports for new unit(s) and disk(s).
update Update controller firmware from an image file.
commit Commit dirty DCB to storage on controller(s). (Windows only)
/cx Controller specific commands.
/cx/ux Unit specific commands.
/cx/px Port specific commands.
/cx/phyx Phy specific commands.
/cx/bbu BBU specific commands. (9000 series)
/cx/ex Enclosure specific commands. (9690SA, 9750)
/ex Enclosure specific commands. (9550SX, 9650SE)</pre>
<pre>
Certain commands are qualified with constraints of controller type/model
support. Please consult the tw_cli documentation for explanation of the
controller-qualifiers.</pre>
<pre>
Type help &lt;command&gt; to get more details about a particular command.
For more detail information see tw_cli's documentation.</pre>
<p>Please note that the version of CLI is indicated at the top of the output.</p>
<p>As indicated, <strong>help&lt;command</strong>&gt; would give more information about the
command or, display all possible sub-commands associated with the
specified object. For example, for Help on the controller object /cx:</p>
<pre>
//localhost&gt; help /cx</pre>
<pre>
/cx show
/cx show Attribute [Attribute ...] where Attribute is:
allunitstatus|bios|firmware|driver|drivestatus|exportjbod|
autocarve(9550SX and higher)|autorebuild(9550SX and higher)|
carvesize(9550SX and higher)|memory|model|serial|monitor|
ctlbus(9550SX and higher)|pcb|achip|pchip|numdrives|numports|
numunits|unitstatus|ondegrade(9500S only)|spinup|stagger
/cx show all where all means Attributes and configurations.
/cx show diag
/cx show alarms [reverse]
/cx show events [reverse]
/cx show AENs [reverse]
/cx show rebuild (9000 series)
/cx show rebuildrate
/cx show rebuildmode (see note 3)
/cx show verify (9000 series)
/cx show verifyrate
/cx show verifymode (see note 3)
/cx show selftest (9000 series)
/cx show phy (see note 4)
/cx show dpmstat [type=&lt;inst|ra|ext&gt;]
(9550SX and higher for type=inst and type=ra;
9650SE and higher for type=ext)</pre>
<pre>
/cx add type=&lt;RaidType&gt; disk=&lt;p:p|p-p|p:p-p&gt; (where p = port or drive number)
[stripe=&lt;size&gt;] [nocache|nowrcache] [nordcache|rdcachebasic] (see note)
[name=string (9000 series)] [ignoreECC] [autoverify|noautoverify]
[v0=n|vol=a:b:c:d] (n,a,b,c,d = size of volume in GB) (9000 series)
[noqpolicy] [storsave=&lt;protect|balance|perform&gt;] (9550SX and higher)
[noscan] [rapidrecovery=&lt;all|rebuild|disable&gt;] (9650SE and higher)
[group=&lt;3|4|5|6|7|8|9|10|11|12|13|14|15|16&gt;]
(group=13-16 9690SA and higher)
RaidType = { raid0, raid1, raid5, raid10, raid50, single,
spare, raid6 (9650SE and higher) }
/cx add rebuild=ddd:hh:duration (9000 series)
/cx add verify=ddd:hh:duration (9000 series)
/cx add selftest=ddd:hh (9000 series)</pre>
<pre>
/cx del rebuild=slot_id (9000 series)
/cx del verify=slot_id (9000 series)
/cx del selftest=slot_id (9000 series)</pre>
<pre>
/cx set ondegrade=cacheoff|follow (9500S only)
/cx set spinup=nn (9000 series)
/cx set stagger=nn (9000 series)
/cx set autocarve=on|off (9550SX and higher)
/cx set carvesize=[1024..32768] (9550SX and higher)
/cx set rebuild=enable|disable|&lt;1..5&gt; (enable|disable for 9000 series)
/cx set rebuildrate=&lt;1..5&gt;
/cx set rebuildmode=&lt;adaptive|lowlatency&gt; (see note 3)
/cx set verify=enable|disable|&lt;1..5&gt; (enable|disable for 9000 series)
/cx set verify=advanced|basic|&lt;1..5&gt; (9650SE and higher)
/cx set verifyrate=&lt;1..5&gt;
/cx set verifymode=&lt;adaptive|lowlatency&gt; (see note 3)
/cx set selftest=enable|disable (9000 series)
/cx set autorebuild=on|off (9550SX and higher)
/cx set autodetect=on|off disk=&lt;p:-p&gt;|all (9000 series)
/cx set dpmstat=on|off (9550SX and higher)
/cx set verify=basic [pref=ddd:hh] where hh= {00..23} and
ddd = {mon|tue|wed|thu|fri|sat|sun} (9650SE and higher)</pre>
<pre>
/cx update fw=filename_with_path [force] (9000 series)
/cx flush
/cx commit (Windows only) (Also known as shutdown)
/cx start mediascan (7000/8000 only)
/cx stop mediascan (7000/8000 only)
/cx rescan [noscan] NOTE: Does not import non-JBOD on 7000/8000 models.</pre>
<pre>
Note:
(1) 'nowrcache' and 'nocache' disable the write cache and they behave
identically.
(2) 'nordcache' is an override to the read cache default; use to
disable the read cache. For Read Cache Basic use rdcachebasic.
Read Cache is supported in the 9650SE or newer controllers with
Release 9.5.2 or later.
(3) 'rebuildmode' and 'verifymode' are supported in the 9650SE or newer
controllers with Release 9.5.2 or later.
(4) '/cx show phy' is supported in the 9650SE or newer controllers
with Release 9.5.2 or later.</pre>
<p>For Help on the next level, i.e., for the commands <strong>show</strong>, <strong>add</strong>, <strong>del</strong>,
<strong>set</strong>, <strong>update</strong>, <strong>flush</strong>, <strong>commit</strong>, etc, use for example, <strong>help /cx add</strong>
to see the syntax of the add commands associated with /cx:</p>
<pre>
//localhost&gt; help /cx add
/cx add type=&lt;RaidType&gt; disk=&lt;p:p|p-p|p:p-p&gt; (where p = port or drive number)
[stripe=&lt;size&gt;] [nocache|nowrcache] [nordcache|rdcachebasic] (see note)
[name=string (9000 series)] [ignoreECC] [autoverify|noautoverify]
[v0=n|vol=a:b:c:d] (n,a,b,c,d = size of volume in GB) (9000 series)
[noqpolicy] [storsave=&lt;protect|balance|perform&gt;] (9550SX and higher)
[noscan] [rapidrecovery=&lt;all|rebuild|disable&gt;] (9650SE and higher)
[group=&lt;3|4|5|6|7|8|9|10|11|12|13|14|15|16&gt;]
(group=13-16 9690SA and higher)
RaidType = { raid0, raid1, raid5, raid10, raid50, single,
spare, raid6 (9650SE and higher) }
/cx add rebuild=ddd:hh:duration (9000 series)
/cx add verify=ddd:hh:duration (9000 series)
/cx add selftest=ddd:hh (9000 series)</pre>
<pre>
Note:
(1) 'nowrcache' and 'nocache' disable the write cache and they behave
identically.
(2) 'nordcache' is an override to the read cache default; use to
disable the read cache. For Read Cache Basic use rdcachebasic.
Read Cache is supported in the 9650SE or newer controllers with
Release 9.5.2 or later.
(3) 'rebuildmode' and 'verifymode' are supported in the 9650SE or newer
controllers with Release 9.5.2 or later.
(4) '/cx show phy' is supported in the 9650SE or newer controllers
with Release 9.5.2 or later.</pre>
<p><strong>Note:</strong> Help stops at this /Object/Command level. Help does not extend to the
Attribute level, and thus inquiry for /Object/Command/Attribute is not valid.
For example, 'help /cx add verify' is not a valid Help command string and the
system would respond with a list of all '/cx add' commands followed by an
error message.</p>
<p>An alternate way to use Help is with '?' or 'help' at the end of a command
string. That is, starting with the object, followed by the command, followed by '?' or
'help'. For example, '/c0' being our object and 'show' is our command:</p>
<pre>
//localhost&gt; /c0 show ?
/cx show
/cx show Attribute [Attribute ...] where Attribute is:
allunitstatus|bios|firmware|driver|drivestatus|exportjbod|
autocarve(9550SX and higher)|autorebuild(9550SX and higher)|
carvesize(9550SX and higher)|memory|model|serial|monitor|
ctlbus(9550SX and higher)|pcb|achip|pchip|numdrives|numports|
numunits|unitstatus|ondegrade(9500S only)|spinup|stagger
/cx show all where all means Attributes and configurations.
/cx show diag
/cx show alarms [reverse]
/cx show events [reverse]
/cx show AENs [reverse]
/cx show rebuild (9000 series)
/cx show rebuildrate
/cx show rebuildmode (see note 3)
/cx show verify (9000 series)
/cx show verifyrate
/cx show verifymode (see note 3)
/cx show selftest (9000 series)
/cx show phy (see note 4)
/cx show dpmstat [type=&lt;inst|ra|ext&gt;]
(9550SX and higher for type=inst and type=ra;
9650SE and higher for type=ext)</pre>
<pre>
Note:
(1) 'nowrcache' and 'nocache' disable the write cache and they behave
identically.
(2) 'nordcache' is an override to the read cache default; use to
disable the read cache. For Read Cache Basic use rdcachebasic.
Read Cache is supported in the 9650SE or newer controllers with
Release 9.5.2 or later.
(3) 'rebuildmode' and 'verifymode' are supported in the 9650SE or newer
controllers with Release 9.5.2 or later.
(4) '/cx show phy' is supported in the 9650SE or newer controllers
with Release 9.5.2 or later.</pre>
<p><strong>Note:</strong> Again, Help stops at the command keyword level, so that
'/c0 show selftest help' or '/c0 show phy ?' would respond with an output
identical to <strong>/c0 show phy</strong> followed by <strong>/c0 show ?</strong>. In this case no
error follows. Please also note that if /c0 is not a valid controller in
your system, an error is generated and this way of using help would not
work. Instead you will get the following:</p>
<pre>
//localhost&gt; /c4 show ?
Error: (CLI:003) Specified controller does not exist.</pre>
<p>The following lists the Help Commands, with a brief description for each
command.</p>
<dl>
<dt><strong><a name="item_help"><strong>help</strong></a></strong><br />
</dt>
<dd>
This command provide a table of contents, providing an overall navigational help.
Typical output looks like:
</dd>
<dd>
<pre>
//localhost&gt; help</pre>
</dd>
<dd>
<pre>
Copyright (c) 2010 LSI
LSI/3ware CLI (version 2.00.11.014)</pre>
</dd>
<dd>
<pre>
Commands Description
-------------------------------------------------------------------
show Displays information about controller(s), unit(s) and port(s).
flush Flush write cache data to units in the system.
rescan Rescan all empty ports for new unit(s) and disk(s).
update Update controller firmware from an image file.
commit Commit dirty DCB to storage on controller(s). (Windows only)
/cx Controller specific commands.
/cx/ux Unit specific commands.
/cx/px Port specific commands.
/cx/phyx Phy specific commands.
/cx/bbu BBU specific commands. (9000 series)
/cx/ex Enclosure specific commands. (9690SA, 9750)
/ex Enclosure specific commands. (9550SX, 9650SE)</pre>
</dd>
<dd>
<pre>
Certain commands are qualified with constraints of controller type/model
support. Please consult the tw_cli documentation for explanation of the
controller-qualifiers.</pre>
</dd>
<dd>
<pre>
Type help &lt;command&gt; to get more details about a particular command.
For more detail information see tw_cli's documentation.</pre>
</dd>
<p></p>
<dt><strong><a name="item_help_show"><strong>help</strong> <em>show</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>show</em> related help, illustrating various ways
to use the <em>show</em> command. It provides reports on Controllers, Units and Drives.
See the <a href="#shell_object_messages">Shell Object Messages</a> section for more on show.
</dd>
<p></p>
<dt><strong><a name="item_help_flush"><strong>help</strong> <em>flush</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>flush</em> related help, illustrating various ways
to use the <em>flush</em> command. See the <a href="#shell_object_messages">Shell Object Messages</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help_rescan"><strong>help</strong> <em>rescan</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>rescan</em> related help, illustrating various ways
to use the <em>rescan</em> command. See the <a href="#shell_object_messages">Shell Object Messages</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help_update"><strong>help</strong> <em>update</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>update</em> related help. See the
<a href="#shell_object_messages">Shell Object Messages</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help_commit"><strong>help</strong> <em>commit</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>commit</em> related help, illustrating various ways
to use the <em>commit</em> command. See the <a href="#shell_object_messages">Shell Object Messages</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help_focus"><strong>help</strong> <em>focus</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>focus</em> related help, illustrating various ways
to use the <em>focus</em> command. See the <a href="#shell_object_messages">Shell Object Messages</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx"><strong>help</strong> <em>/cx</em></a></strong><br />
</dt>
<dd>
This command provides specific controller <em>/cx</em> related help, illustrating various
commands associated with the controller <em>/cx</em>. See the <a href="#controller_object_messages">Controller Object Messages</a>
section for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fux"><strong>help</strong> <em>/cx/ux</em></a></strong><br />
</dt>
<dd>
This command provides specific unit <em>/cx/ux</em> related help, illustrating various
commands to use on a unit <em>/cx/ux</em>. See the <a href="#controller_object_messages">Controller Object Messages</a> section
for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fpx"><strong>help</strong> <em>/cx/px</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>/cx/px</em> related help, illustrating various ways
to use the <em>/cx/px</em> command. See the <a href="#port_object_messages">Port Object Messages</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fphyx"><strong>help</strong> <em>/cx/phyx</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>/cx/phyx</em> related help, illustrating various ways
to use the <em>/cx/phyx</em> command. See the <a href="#phy_object_messages">Phy Object Messages</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fbbu"><strong>help</strong> <em>/cx/bbu</em></a></strong><br />
</dt>
<dd>
This command provides specific <em>/cx/bbu</em> related help, illustrating various ways
to use the <em>/cx/bbu</em> command. See the <a href="#bbu_object_messages">BBU Object Messages</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fex"><strong>help</strong> <em>/cx/ex</em></a></strong><br />
</dt>
<dd>
This command provides specific enclosure <em>/cx/ex</em> related help, illustrating various
commands associated with the enclosure <em>/cx/ex</em>. See the <a href="#enclosure_services_commands">Enclosure Services Commands</a>
section for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fex_2fslotx"><strong>help</strong> <em>/cx/ex/slotx</em></a></strong><br />
</dt>
<dd>
This command provides specific slot <em>/cx/ex/slotx</em> related help, illustrating various
ways to use the <em>/cx/ex/slotx</em> command. See the <a href="#enclosure_element_slot">Enclosure Element Slot</a> section
for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fex_2ffanx"><strong>help</strong> <em>/cx/ex/fanx</em></a></strong><br />
</dt>
<dd>
This command provides specific fan <em>/cx/ex/fanx</em> related help, illustrating various ways
to use the <em>/cx/ex/fanx</em> command. See the <a href="#enclosure_element_fan">Enclosure Element Fan</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fex_2ftempx"><strong>help</strong> <em>/cx/ex/tempx</em></a></strong><br />
</dt>
<dd>
This command provides specific temperature sensor <em>/cx/ex/tempx</em> related help,
illustrating various ways to use the <em>/cx/ex/tempx</em> command. See the
<a href="#enclosure_element_temperature_sensor">Enclosure Element Temperature Sensor</a> section for more.
</dd>
<p></p>
<dt><strong><a name="item_help__2fcx_2fex_2fpwrsx"><strong>help</strong> <em>/cx/ex/pwrsx</em></a></strong><br />
</dt>
<dd>
This command provides specific power supply /cx/ex/pwrsx related help,
illustrating various ways to use the /cx/ex/pwrsx command. See the
<a href="#enclosure_element_power_supply">Enclosure Element Power Supply</a> section for more.
</dd>
<p></p></dl>
<p>
</p>
<hr />
<h1><a name="command_logging">Command Logging</a></h1>
<p>CLI has a logging function that makes an entry into a log file for each command
line that makes a change to the controller configuration (for example,
add/delete units). Both CLI and 3DM2 has this logging function and it is
enabled by default.</p>
<p>Setting the environment variable to ON or OFF will enable or disable the
logging function, respectively. The environment variable is TW_CLI_LOG, and
the method for setting it depends on the operating system.</p>
<p>The sections and examples below show the log command syntax and the log file
location depending on the operating system. Note where ON is indicated, OFF
may be substituted.</p>
<dl>
<dt><strong><a name="item_setting_of_environment_variable_3a">Setting of Environment Variable:</a></strong><br />
</dt>
<dd>
For <strong>Linux</strong>, <strong>FreeBSD</strong>, <strong>Mac OS</strong>, and <strong>OpenSolaris</strong>, the command depends
on the type of shell:
</dd>
<dd>
<pre>
If bash, ksh, or sh, use &quot;export TW_CLI_LOG=ON&quot;
If csh, use &quot;setenv TW_CLI_LOG ON&quot;</pre>
</dd>
<dd>
<p><strong>Note:</strong> The shell that you are running CLI must be the same shell that you
input the command to set the environment variable.</p>
</dd>
<dd>
<p>For <strong>Windows</strong>, set the environment variable by clicking on the <strong>start</strong> button
and then right-clicking on <strong>My Computer</strong> and selecting <strong>Properties</strong>. In
Properties, click on the <strong>Advanced</strong> tab. Then click on the <strong>Environment
Variables</strong> button. If you don't see TW_CLI_LOG you may add and set it to ON
of OFF by clicking on <strong>New</strong>, (or edit an existing one by clicking on <strong>Edit</strong>).</p>
</dd>
<dd>
<p>Since the default of Command Logging is ON, if you wish the turn it off, you
could set the environment variable TW_CLI_LOG to OFF.</p>
</dd>
<dd>
<p>When you cycle power your system, the new environment variable is recorded by
Windows and read by CLI upon system startup, after which CLI will stop logging
any new commands associated with the controller.</p>
</dd>
<p></p>
<dt><strong><a name="item_log_file_location_3a">Log File Location:</a></strong><br />
</dt>
<dd>
For <strong>Linux</strong>, <strong>FreeBSD</strong>, <strong>Mac OS</strong>, and <strong>OpenSolaris</strong>, the log file is in
the <em>/var/log</em> directory.
</dd>
<dd>
<p>For <strong>Windows Vista</strong> and <strong>Windows Server 2008</strong>, the log file is stored in</p>
</dd>
<dd>
<p><em>\ProgramData\3ware</em></p>
</dd>
<dd>
<p>Note that ProgramData is a hidden folder by default. To display it in
Windows Explorer, enter <em>c:\ProgramData</em> in the location field at the top
of the Explorer Window. To make the folder permanently visible, select
<strong>Organize-</strong>&gt;<strong>Folder and Search Options</strong> from the Explorer menu, choose
the <strong>View</strong> tab, and select the <strong>Show hidden files and folders</strong> option
in <strong>Advance settings</strong>.</p>
</dd>
<dd>
<p>For previous versions of <strong>Windows (XP, Server 2003, etc)</strong>, the log file
is stored in</p>
</dd>
<dd>
<p><em>\Documents and Settings\All Users\Application Data\3ware</em></p>
</dd>
<p></p></dl>
<p>
</p>
<hr />
<h1><a name="features">Features</a></h1>
<p>This section lists some of the features that CLI supports for the 3ware RAID
product. While many system features require a few commands, some require or
involve a set of commands that work together. Also, some of these features
may be compenhensively more complex to described in a few discreet commands.
The purpose of this section is to provide an encapsulated view of selected
system features with their command set.</p>
<p>Please note that you could consult the <em>3ware SAS/SATA RAID Software User Guide</em>
for more in-depth conceptual information about features that can be used to
control your 3ware RAID controller as well.</p>
<p>The subsections which follow contain descriptions, the commands applicable, and
related information such as setup and operation details of a feature and its
function. The following is a list of the subsections:</p>
<dl>
<dt><strong><a name="item_drive_performance_monitor">Drive Performance Monitor</a></strong><br />
</dt>
<dt><strong><a name="item_rapid_raid_recovery">Rapid RAID Recovery</a></strong><br />
</dt>
<dt><strong><a name="item_user_defined_lun_sizing">User Defined LUN Sizing</a></strong><br />
</dt>
<dt><strong><a name="item_verify">Verify</a></strong><br />
</dt>
<dt><strong><a name="item_verify__2d_advanced">Verify - Advanced</a></strong><br />
</dt>
<dt><strong><a name="item_verify__2d_basic">Verify - Basic</a></strong><br />
</dt>
<p>The commands within the subsections below also appear in the <strong>Primary Command
Syntax</strong> section of this document. While some commands contain similar or
identical information or examples, others may not. Those that do not is likely
due to context, legacy, or other factors. In any case, the explanations are
consistent across the two sections in this document.</p>
</dl>
<p>
</p>
<h2><a name="drive_performance_monitor">Drive Performance Monitor</a></h2>
<p>Performance monitoring and statistics of the RAID controller, as a basis
for analysis of performance, may also provide information for qualification
and diagnostics. The Drive Performance Monitor of CLI supports statistics of
queue depths, IOPs, transfer rate, response time for reads/writes, and
command reads/writes.</p>
<p>Queue depth refers to the number of reads/writes currently outstanding,
IOPs refers to the number of reads/writes completing, transfer rate refers
to the number of sectors read/written, response time refers to the
execution time of all commands, and command read/writes refers to the
drive and drive sectors' accumlated read and write commands.</p>
<p>The types of drive performance statistics supported are organized into five
groups:</p>
<pre>
- instantaneous
- running average
- long command times
- response histogram
- extended drive statistics</pre>
<p>The instantaneous measurements provide a short duration average. The running
average is a measure of long-term averages that smooth out the data, and
results in older results fading from the average over time. The long command
times is a collection of the commands with the longest read/write
response time. The response histogram categorizes the read/write execution
times and group them together based on time frames. Finally, the extended
drive statistics refers to statistics of a drive's read commands, write
commands, write commands with FUA (Force Unit Access), flush commands, and
a drive sectors's read, write, and write commands with FUA.</p>
<p><strong>Note:</strong> This feature is for the 9550SX and higher model controllers, with
exception of the commands related to extended drive statistics, that are
supported on the 9650SE, 9690SA and 9750 controllers only.</p>
<p><strong>OPERATION</strong></p>
<p>The command syntax falls into three categories: 1) Configuration, 2) port-based
drive statistics, and 3) controller-based drive statistics summary. The
configuration category allows the user to see the settings as well as change them.
At this time, the only setting that the user can change is 'enable' or 'disable'
of the Drive Performance Monitor. The port-based 'show' commands provide
requested statistics based on type. The port-based 'set' command clears the
specified type statistics. While these commands require the specification of
the port each time, the controller-based commands do not and provide the
information in a summary format.</p>
<p><strong>Note:</strong> Please note that the keyword 'pmstat' and 'dpmstat' generate the same
system response. At this time both could be used for Drive Performance Monitor
statistics. In the future if other types of performance monitor support would
be added, 'pmstat' would denote Performance Monitor while 'dpmstat' would
refer to Drive performance statistics only.</p>
<p>The following table summarizes the drive performance monitor commands. The command
type, command syntax, and corresponding descriptions are listed. Following the
table is an important note, which is then followed by examples and usage of the
commands.</p>
<pre>
--------------+-----------------------------------+-----------------------------------
COMMAND TYPE | COMMAND SYNTAX | DESCRIPTION
--------------+-----------------------------------+-----------------------------------
Configuration | /cx show dpmstat | Show configuration and setting.
| | See example below. Display
| | will also show default set of
| | drive statistics (i.e., type=inst).
+-----------------------------------+-----------------------------------
| /cx set dpmstat=on | Enable or disable performance
| /cx set dpmstat=off | monitoring. See note below.
--------------+-----------------------------------+-----------------------------------
Port-based | /cx/px show dpmstat type=inst | Request for drive statistics on
Statistics | /cx/px show dpmstat type=ra | specified port. inst=instantaneous,
| /cx/px show dpmstat type=lct | ra=running average, lct=long cmd
| /cx/px show dpmstat type=histdata | times, histdata=histogram data,
| /cx/px show dpmstat type=ext | and ext=extended drive statistics.
+-----------------------------------+-----------------------------------
| /cx/px set dpmstat=clear | Clear statistics counters. If
| /cx/px set dpmstat=clear type=ra | type=ra, both Running Avg and
| /cx/px set dpmstat=clear type=lct | Histogram Data will be cleared.
| /cx/px set dpmstat=clear type=ext | If type=lct, only the Long Cmd
| | Times data will be cleared. If
| | type=ext, the extended drive
| | statistics are cleared. If no
| | type is specified, the default
| | is type=ra.
--------------+-----------------------------------+-----------------------------------
Controller- | /cx show dpmstat | Request for drive statistics sum-
based | /cx show dpmstat type=inst | mary of the specified controller.
Statistics | /cx show dpmstat type=ra | inst=instantaneous, ra=running
| /cx show dpmstat type=ext | average, ext=extended drive
| | statistics. The default is
| | Instantaneous.
--------------+-----------------------------------+-----------------------------------</pre>
<p><strong>Note:</strong> The command '/cx show dpmstat' shows the performance monitor
configuration and the default set of summary statistics (type=inst) shows data
regardless of whether the performance monitor setting is ON or OFF. If the setting
is ON and I/O is running, the statistics data will change over time because the
measurements are being averaged. If the setting is OFF, the same table layout is
shown. However, since no calculations are taking place, the data will be static
and remains unchanged. Thus, when the drive performance monitor is OFF, the data
shown may not be zeros.</p>
<p>Examples of the command's usage are shown below.</p>
<p>To display the configuration of the Drive Performance Monitor of the specified
controller (default statistics display is instantaneous data), use command
<strong>/cx show dpmstat</strong>. For example:</p>
<pre>
//localhost&gt; /c0 show dpmstat
Drive Performance Monitor Configuration for /c0 ...
Performance Monitor: ON
Version: 1
Max commands for averaging: 100
Max latency commands to save: 10
Requested data: Instantaneous Drive Statistics</pre>
<pre>
Queue Xfer Resp
Port Status Unit Depth IOPs Rate(MB/s) Time(ms)
------------------------------------------------------------------------
p0 NOT-PRESENT - - - - -
p1 NOT-PRESENT - - - - -
p2 OK - - - - -
p3 OK u0 10 93 2.907 85
p4 OK u1 10 84 2.640 95
p5 OK - - - - -
p6 NOT-PRESENT - - - - -
p7 NOT-PRESENT - - - - -</pre>
<p>In the configuration information above, 'Version' refers to the firmware version
of the Performance Monitor, 'Max commands for averaging' refers to the maximum number of
commands that can be saved and used for calculating the average, and 'Max latency
commands to save' refers to the maximum number of commands with high latency that
are saved. The number of elements in the buffer is determined by these configurations
and the memory constraints of the system.</p>
<p>To set the Drive Performance Monitor to 'enable' or 'disable', use commands
<strong>/cx set dpmstat=on</strong> and <strong>/cx set dpmstat=off</strong>, respectively.
For example:</p>
<pre>
//localhost&gt; /c0 set dpmstat=off
Setting Drive Performance Monitoring on /c0 to [off]... Done.</pre>
<p>To display the running average statistics data at the controller
level, i.e., as a summary of the running average data for the set of
drives attached to the controller, use command <strong>/cx show dpmstat type=ra</strong>.
For example:</p>
<pre>
//localhost&gt; /c0 show dpmstat type=ra
Drive Performance Monitor Configuration for /c0 ...
Performance Monitor: OFF
Version: 1
Max commands for averaging: 100
Max latency commands to save: 10
Requested data: Running Average Drive Statistics</pre>
<pre>
Queue Xfer Resp
Port Status Unit Depth IOPs Rate(MB/s) Time(ms)
------------------------------------------------------------------------
p0 NOT-PRESENT - - - - -
p1 NOT-PRESENT - - - - -
p2 OK - - - - -
p3 OK u0 0 435 25.249 2
p4 OK u1 0 366 21.630 3
p5 OK - - - - -
p6 NOT-PRESENT - - - - -
p7 NOT-PRESENT - - - - -</pre>
<p>To display the running average drive statistics of the specified port,
use command <strong>/cx/px show dpmstat type=ra</strong>. For example:</p>
<pre>
//localhost&gt; /c0/p3 show dpmstat type=ra</pre>
<pre>
Queue Xfer Resp
Port Status Unit Depth IOPs Rate(MB/s) Time(ms)
---------------------------------------------------------------------
p3 OK u0 0 435 25.249 2</pre>
<p>For data associated with commands that have long command times for the
specified port, use command <strong>/cx/px show dpmstat type=lct</strong>. For example:</p>
<pre>
//localhost&gt; /c0/p3 show dpmstat type=lct</pre>
<pre>
Port Status Unit
------------------------------
p3 OK u0</pre>
<pre>
Resp
Date Time Time(ms) --------- CDB / ATA Task File (hex) -----------
------------------------------------------------------------------------------
2007-02-09 13:47:57 383.216 00 80 60 40 92 9f 8a 40 1a 00 00 00 00 00 00 00
2007-02-09 13:47:57 390.809 00 80 60 40 13 eb 30 40 26 00 00 00 00 00 00 00
2007-02-09 13:47:57 405.478 00 80 60 40 61 11 20 40 26 00 00 00 00 00 00 00
2007-02-09 13:47:57 410.379 00 80 60 40 cd 8b b9 40 23 00 00 00 00 00 00 00
2007-02-09 13:47:57 419.002 00 80 60 40 5e df d1 40 29 00 00 00 00 00 00 00
2007-02-09 13:47:57 444.250 00 80 60 40 8b c0 36 40 2e 00 00 00 00 00 00 00
2007-02-09 13:47:57 527.994 00 80 60 40 6e a5 b6 40 03 00 00 00 00 00 00 00
2007-02-09 13:47:57 569.429 00 80 60 40 3b e2 02 40 2d 00 00 00 00 00 00 00
2007-02-09 13:47:57 609.526 00 80 60 40 27 1c e9 40 2b 00 00 00 00 00 00 00
2007-02-09 13:47:57 612.051 00 80 60 40 dd 0b d1 40 2c 00 00 00 00 00 00 00</pre>
<p>Note that in addition to the time and date stamps of the commands with the long
response times, their corresponding CDB or ATA Task File is displayed.</p>
<p>For histogram of IOPs grouped together based on response time associated with
the specified port, use command <strong>/cx/px show dpmstat type=histdata</strong>.
For example:</p>
<pre>
//localhost&gt; /c0/p3 show dpmstat type=histdata</pre>
<pre>
Port Status Unit
------------------------------
p3 OK u0</pre>
<pre>
Bin Response Time(ms) IO Count
-----------------------------------------------
1 1 0
2 2 0
3 3 0
4 4 0
5 5 0
6 6 0
7 7 0
8 8 0
9 9 0
10 10 0
11 20 204
12 30 190
13 40 161
14 50 136
15 60 130
16 70 112
17 80 94
18 90 80
19 100 540
20 200 95
21 300 42
22 400 11
23 500 2
24 600 2
25 700 0
26 800 0
27 900 0
28 1000 0
29 2000 0
30 3000 0
31 4000 0
32 5000 0
33 6000 0
34 7000 0
35 8000 0
36 9000 0
37 10000 0
38 10000+ 0</pre>
<p>Note that there is a set of 38 'Bins' and each bin denotes a Response Time
category. The number of I/Os or commands that fall into the Response Time
time range of the designated bin would fall into that bin. In the display
above, there are no commands with response times of 10 milliseconds or
shorter, and there are 204 commands with 20 milliseconds. Note that for
the I/O application and activities to this drive, the concentration of the
longer response times is toward the middle, as in a statistical Normal Curve.</p>
<p>To clear the running average statistics data of the specified port,
use command <strong>/cx/px set dpmstat=clear type=ra</strong>. For example:</p>
<pre>
//localhost&gt; /c0/p3 set dpmstat=clear type=ra
Clearing Port Performance Monitor running average statistics on /c0/p3... Done.</pre>
<p>Please note that this clears the Running Average and Histogram data.</p>
<p><strong>Note:</strong> Usage of the 'clear' command without specifying 'type' implies
the default, which is 'type=ra'. The default thus effectively clears
both the running average statistics and histogram data. Also, some statistics
data types cannot be cleared, such as setting 'type=inst' or 'type=histdata'.
Attempting to clear these will return an error.</p>
<p>If I/O traffic to the drive has been stopped, after clearing, a
subsequent request to show the running average statistics
would show, for example:</p>
<pre>
//localhost&gt; /c0/p3 show dpmstat type=ra</pre>
<pre>
Queue Xfer Resp
Port Status Unit Depth IOPs Rate(MB/s) Time(ms)
---------------------------------------------------------------------
p3 OK u0 0 0 0.000 0</pre>
<p>Note that IOPs, Xfer Rate (transfer rate), and Resp Time (response time)
are all zeros.</p>
<p>If I/O traffic to the drive has been stopped, after clearing, a
subsequent request to show the histogram data would show, for example:</p>
<pre>
//localhost&gt; /c0/p3 show dpmstat type=histdata</pre>
<pre>
Port Status Unit
------------------------------
p3 OK u0</pre>
<pre>
Bin Response Time(ms) IO Count
-----------------------------------------------
1 1 0
2 2 0
3 3 0
4 4 0
5 5 0
6 6 0
7 7 0
8 8 0
9 9 0
10 10 0
11 20 0
12 30 0
13 40 0
14 50 0
15 60 0
16 70 0
17 80 0
18 90 0
19 100 0
20 200 0
21 300 0
:
:
:</pre>
<p>To display the extended drive statistics associated with the specified port, use
command <strong>/cx/px show dpmstat type=ext</strong>.
For example:</p>
<pre>
//localhost&gt; /c3/p0 show dpmstat type=ext
Requested data: Extended Drive Statistics</pre>
<pre>
Sectors Commands
----------------------------- ---------------------------------------
Port Read Write Write-FUA Read Write Write-FUA Flush
------------------------------------------------------------------------------
p0 28704384 0 28704384 28704448 0 0 0</pre>
<p>To display the extended drive statistics associated with the specified controller,
as a summary of the drives, use command <strong>/cx show dpmstat type=ext</strong>.
For example:</p>
<pre>
//localhost&gt; /c3 show dpmstat type=ext
Extended Drive Statistics for /c3 ...</pre>
<pre>
Sectors Commands
----------------------------- ---------------------------------------
Port Read Write Write-FUA Read Write Write-FUA Flush
------------------------------------------------------------------------------
p0 28704384 0 28704384 28704448 0 0 0
p2 28704384 28704448 0 0 0 0 0
p3 28704704 0 0 0 0 0 0
p6 0 0 0 0 0 0 0</pre>
<p>While the data fields are large and sufficient for a 32-bit number, depending
on the amount of I/O and the rate or duration of the data transfer, overflow
may take place. In this scenario, the data fields that contains the overflow
is marked with '########', as in the following example:</p>
<pre>
//localhost&gt; /c3 show dpmstat type=ext
Extended Drive Statistics for /c3 ...</pre>
<pre>
Sectors Commands
----------------------------- ---------------------------------------
Port Read Write Write-FUA Read Write Write-FUA Flush
------------------------------------------------------------------------------
p0 ######## 0 158838656 158838720 0 0 0
p2 ######## ######## ######## ######## ######## ######## ########
p3 ######## 0 0 0 0 0 0
p6 0 0 0 0 0 0 0</pre>
<p>The clear command can be used to zero out the counters. To clear the
extended drive statistics associated with the specified port, we use the
command <strong>/cx/px set dpmstat=clear type=ext</strong>. For example:</p>
<pre>
//localhost&gt; /c3/p0 set dpmstat=clear type=ext
Clearing Performance Monitor extended drive statistics on /c3/p0 ... Done.</pre>
<p>
</p>
<h2><a name="rapid_raid_recovery">Rapid RAID Recovery</a></h2>
<p>Rapid RAID Recovery can speed up the rebuild, initialize, and verify processes
and tasks in response to an unclean system shutdown. Effectively this feature
provides for expedited boot-up time.</p>
<p>This feature is supported on the 9750, 9690SA and 9650SE (with supporting firmware)
controllers. Also, it is only supported on redundant arrays only, such as RAID-1,
RAID-5, RAID-6, RAID-10 and RAID-50. This feature is not supported over migration.</p>
<p><strong>OPERATION</strong></p>
<p>The usage of this feature consists of a set of commands that sets
the feature to one of three possible states. This configuration may be
defined at unit creation time or after a unit has been created. Below
is a summary of the commands for this feature.</p>
<pre>
/cx add ... rapidrecovery=all|rebuild|disable
/cx/ux set rapidrecovery=all|rebuild|disable [quiet]
/cx/ux show rapidrecovery</pre>
<p>If you set this option to <strong>all</strong>, upon an unclean system shutdown, the
Rapid RAID Recovery policy will apply to rebuild, initialize, and verify tasks at
reboot. If you set this option to <strong>rebuild</strong>, then only the rebuild task will
be applied. If you set it to <strong>disable</strong>, then none of the tasks will be sped up.
Please note that once this attribute is set for the unit, the policy setting
is persistent in the system until it is disabled.</p>
<p><strong>Note:</strong> Once the Rapid RAID Recovery has been ``disabled'' for a unit, it
cannot be changed again for that unit. As a result, if you issue the
'/cx/px set rapidrecovery=disable' command, a message along with a prompt for
input to proceed will appear. To turn off the message and prompt
for scripting purposes, use the quiet option.</p>
<p><strong>Note:</strong> The default setting of Rapid RAID Recovery is 'all' for redundant
arrays. For non-redundant arrays the default is disabled.</p>
<p>Consider a 9690SA controller with four drives attached. Creating a RAID-5
unit with the rapidrecovery attribute set to the <strong>all</strong> option:</p>
<pre>
//localhost&gt; /c1 add type=raid5 disk=0:2:3 rapidrecovery=all</pre>
<pre>
Creating new unit on controller /c1 ... Done. The new unit is /c1/u0.
Setting AutoVerify=ON for the new unit ... Done.
Setting Rapid RAID Recovery policy on /c1/u0 to [all] ... Done.
Setting default Command Queuing Policy for unit /c1/u0 to [on] ... Done.
Setting write cache=ON for the new unit ... Done.
Warning: You do not have a battery backup unit for /c1/u0 and the enabled
write cache (default) may cause data loss in the event of power failure.</pre>
<p>Subsequent inquiry of the controller and unit information would show:</p>
<pre>
//localhost&gt; /c1 show</pre>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 OK - - 64K 298.002 ON ON</pre>
<pre>
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 149.05 GB SATA 0 - WDC WD1600JS-22NCB1
p2 OK u0 149.05 GB SATA 2 - WDC WD1600JS-22NCB1
p3 OK u0 149.05 GB SATA 3 - WDC WD1600JS-22NCB1
p6 OK - 34.18 GB SAS 6 - SEAGATE ST936701SS</pre>
<pre>
//localhost&gt; /c1/u0 show</pre>
<pre>
Unit UnitType Status %RCmpl %V/I/M VPort Stripe Size(GB)
------------------------------------------------------------------------
u0 RAID-5 OK - - - 64K 298.002
u0-0 DISK OK - - p0 - 149.001
u0-1 DISK OK - - p2 - 149.001
u0-2 DISK OK - - p3 - 149.001
u0/v0 Volume - - - - - 298.002</pre>
<p>The created RAID-5 unit would be configured with Rapid RAID Recovery set to
``all'' that the user could see with the 'show`` command:</p>
<pre>
//localhost&gt; /c1/u0 show rapidrecovery
/c1/u0 Rapid RAID Recovery policy setting = all</pre>
<p>To change the Rapid RAID Recovery setting to 'rebuild':</p>
<pre>
//localhost&gt; /c1/u0 set rapidrecovery=rebuild
Setting Rapid RAID Recovery policy on /c1/u0 to [rebuild] ... Done.</pre>
<p>The 'disable' setting is permanent and cannot be changed to 'all' or
'rebuild' once it is set for the unit. As a result an extra query has
been added for the user to confirm the change. If the user confirms,
this is the scenario:</p>
<pre>
//localhost&gt; /c1/u0 set rapidrecovery=disable
Setting Rapid RAID Recovery to disable is permanent for /c1/u0
and CANNOT be changed at a later time.
Do you want to continue? Y|N [N]: y
Setting Rapid RAID Recovery policy on /c1/u0 to [disable] ... Done.</pre>
<p>If the user replies with ``n'' for No, the command is aborted.</p>
<p>With the quiet option:</p>
<pre>
//localhost&gt; /c1/u0 set rapidrecovery=disable quiet
Setting Rapid RAID Recovery policy on /c1/u0 to [disable] ... Done.</pre>
<p>And to see the setting, subsequently:</p>
<pre>
//localhost&gt; /c1/u0 show rapidrecovery
/c1/u0 Rapid RAID Recovery policy setting = disable</pre>
<p>
</p>
<h2><a name="user_defined_lun_sizing">User Defined LUN Sizing</a></h2>
<p>User Defined LUN Sizing, or, Variable LUN Carve, is a feature that allows
the user to specify variable sizes for volumes in a unit. The first volume
may be considered, although not necessarily, the Boot LUN. This feature
allows the user to specify up to four volumes or LUNs in a unit.</p>
<p>You can define the LUN sizes for these array types: RAID-0, RAID-1,
RAID-10, RAID-5, RAID-50, RAID-6 and Single.</p>
<p>To specify Variable LUN Carve simply requires setting an attribute during unit
creation. However, to eliminate potential confusion with the existing
autocarve and carvesize commands, this section was created to describe
this feature along with those commands.</p>
<p>If the pre-existing related commands are included, the set of LUN carve
commands are the following:</p>
<pre>
/cx add ... [v0=n|vol=a:b:c:d]
/cx show autocarve
/cx show carvesize
/cx set autocarve=on|off
/cx set carvesize=[1024..32768]</pre>
<p>Note that the first command associates with this feature, and the latter
four commands have pre-existed.</p>
<p>While the Variable LUN Sizing feature is related to the autocarve feature,
they are independent. If autocarve has been set to ON, then the sizes of
the volumes for that unit are set to the specifed carve-size (or the
default). The possible size of the carving is in the range of
{1024..32768} GB or {1..32} TB. Specifying the <code>size(s)</code> of the boot or
first four volumes in essense overlays these volumes with their respective
sizes to that of the carved volume sizes. For example, if the carvesize
has been set to 1024GB and autocarve is ON:</p>
<p>Autocarve=ON, carvesize=1024GB (1TB)</p>
<pre>
------+------+------+------+------+------+------+------+------+------+-------
1024 1024 1024 1024 1024 1024 1024 1024 1024 1024 . . .
------+------+------+------+------+------+------+------+------+------+-------</pre>
<p>If we specify the first four LUN volumes to be 2000GB, 500GB, 1024GB, and 700GB,
then we have the following:</p>
<pre>
------------+---+------+----+-----+------+------+------+------+------+-------
2000 500 1024 700 896 1024 1024 1024 1024 1024 . . .
------------+---+------+----+-----+------+------+------+------+------+-------</pre>
<p>All numbers are in units of GB. Note the while the last specified carved size
was 700GB, the next carved volume is not 1024GB but,</p>
<pre>
1024GB - (remainder of last volume carved)</pre>
<p>Or:</p>
<pre>
1024 - 128 = 896</pre>
<p>The remainder of the last volume is 128GB because the four specified volumes
totaled 4224GB which exceeds the four autocarved volumes totalling 4096GB
by 128GB.</p>
<p>For the add command, at unit creation time the volume sizes could be
specified with either the attribute <strong>v0=</strong> or <strong>vol=</strong>. With <strong>v0</strong> only
the first LUN volume size could be specified. With <strong>vol</strong>, up to four LUN
volume sizes may be specified. The input of size is an integer in
gigabytes (GB) and the valid range is [1..32768], the upper limit is 32TB.</p>
<p>If the <strong>vol=a:b:c:d</strong> attribute is used, each volume is separated by the
symbol <strong>:</strong> in ascending order. That is, the integer closest to <strong>=</strong> is
volume 0 (v0), followed by volume 1 (v1), volume 2 (v2), etc. The maximum
that could be specified with this method is four volumes, or, up to v3.</p>
<p>For example, consider an 8-port controller with four drives attached. As
in the following:</p>
<pre>
//localhost&gt; show</pre>
<pre>
Ctl Model Ports Drives Units NotOpt RRate VRate BBU
------------------------------------------------------------------------
c0 Geroni133/Ap 8 4 0 0 1 1 -</pre>
<pre>
Encls Slots Drives Fans TSUnits
----------------------------------------
/c0/e0 4 2 1 1</pre>
<pre>
//localhost&gt; /c0 show
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
Port Status Unit Size Blocks Serial
---------------------------------------------------------------
p0 NOT-PRESENT - - - -
p1 NOT-PRESENT - - - -
p2 OK - 372.61 GB 781422768 WD-WMAMY1661939
p3 OK - 372.61 GB 781422768 WD-WMAMY1579179
p4 OK - 372.61 GB 781422768 WD-WMAMY1662720
p5 OK - 372.61 GB 781422768 WD-WMAMY1576310
p6 NOT-PRESENT - - - -
p7 NOT-PRESENT - - - -</pre>
<p>To create the unit and specify the LUN sizes of the first four volumes:</p>
<pre>
//localhost&gt; /c0 add type=raid5 disk=2-5 vol=100:30:2:45</pre>
<pre>
Creating new unit on Controller /c0 ... Done. The new unit is /c0/u0.
Setting write cache=ON for the new unit ... Done.
Setting default Command Queuing Policy for unit /c0/u0 to [on] ... Done.</pre>
<p>After the unit creation, to see the volume sizes, a subsequent ``show'' command
for the unit would display:</p>
<pre>
//localhost&gt; /c0/u0 show</pre>
<pre>
Unit UnitType Status %RCmpl %V/I/M Port Stripe Size(GB)
------------------------------------------------------------------------
u0 RAID-5 OK - - - 64K 1117.56
u0-0 DISK OK - - p2 - 372.519
u0-1 DISK OK - - p3 - 372.519
u0-2 DISK OK - - p4 - 372.519
u0-3 DISK OK - - p5 - 372.519
u0/v0 Volume - - - - - 100
u0/v1 Volume - - - - - 30
u0/v2 Volume - - - - - 2
u0/v3 Volume - - - - - 45
u0/v4 Volume - - - - - 940.56</pre>
<p>
</p>
<h2><a name="verify">Verify</a></h2>
<p>The Verify function is among other self-test functions such as Rebuild and
Selftest in the RAID system. It performs data integraty checks on an array
unit based on the unit type. For a RAID-1 array, for example, the verification
involves checking that both drives contain the exact data; and on a RAID-5
array, the parity information is used to verify data integrity.</p>
<p>This feature is available on 9000 series controllers. The Verify function
requires some initial setup. Particularly the scheduled time windows of
the background verify tasks need to be defined. A scheduled time window,
or, timeslot, is part of the Verify Schedule.</p>
<p><strong>SET UP</strong></p>
<p>For the <strong>Verify</strong> function, the following commands are used for the
set up:</p>
<pre>
/cx set verify=enable|disable|1..5
/cx add verify=ddd:hh:duration
/cx del verify=slot_id</pre>
<p>The setup consists of setting Verify to enable, then adding verify
timeslots into the Schedule. The Schedule contains a default set of verify
timeslots defined, so specifying the verify timeslots is not necessary if
the defaults are suitable.</p>
<p>When a verify background process would initiate and run depends on more
than the Schedule itself. The sections below describe this in more detail.</p>
<p><strong>AUTOVERIFY</strong></p>
<p>Related to this Verify function is <strong>autoverify</strong>. The Autoverify setting lets
the RAID firmware determine a time to start the verify process of a unit
automatically or at its discretion at a time suitable (but related to the
Schedule) when it is set to ON. If a verify process has started and the verify
task cannot complete within the scheduled window, the verify task would be
paused and resumed later. Again, firmware makes its decision autonomously
based on factors such as the schedule, settings, and other higher priority
background tasks.</p>
<p>Autoverify applies to 9000 series controllers also.</p>
<p>The commands associated with Autoverify are the following:</p>
<pre>
- /cx/ux set autoverify=on|off
- /cx/ux show autoverify</pre>
<p>Autoverify is also an attribute that could be set at unit creation. The
setting of autoverify is ON if Basic Verify (see <strong>Verify - Basic</strong> section)
is supported, otherwise the default is set to OFF.</p>
<p><strong>MANUAL VERIFY</strong></p>
<p>Also related to the Verify function is Manual verify, where a background
verify process or task for a unit could be started and stopped manually.
The following is the set of commands associated with this:</p>
<pre>
/cx/ux start verify
/cx/ux stop verify</pre>
<p>Note that if subsequent to this command, one enables the background verify
task to follow the scheduled slots, then this on-demand task will be paused
until the next scheduled timeslot.</p>
<p><strong>VERIFY STATUS</strong></p>
<p>Finally, to see the status of the tasks associated with the Verify function,
the set of commands for that is the following:</p>
<pre>
show verify
/cx show verify
/cx/ux show verifystatus
/cx/ux show autoverify</pre>
<p>Here is an example of the show verify command.</p>
<pre>
//localhost&gt; /c2 show verify</pre>
<pre>
Verify Schedule for Controller /c2
========================================================
Slot Day Hour Duration Status
--------------------------------------------------------
1 Tue 6:00pm 4 hr(s) enabled
2 Wed 6:00pm 1 hr(s) enabled
3 Thu 10:00am 1 hr(s) enabled
4 Wed 4:00pm 1 hr(s) enabled
5 Thu 5:00pm 1 hr(s) enabled
6 Fri 3:00pm 1 hr(s) enabled
7 Fri 6:00pm 1 hr(s) enabled</pre>
<p>For other examples of the Verify commands, please see the <strong>Primary Command
Syntax</strong> section of this document.</p>
<p>Since these set of commands are related but serve different functions with
respect to Verify, how they work together determines when a background verify
process would initiate and run. Thus it is important to note their interactions.
The following table summarizes the setting parameters and corresponding system
response relative to the Verify function and when a verify task may run.</p>
<pre>
-------------+----------------------+------------------------+------------------------
Cmd: Unit-&gt; | /cx/ux autoverify=ON | /cx/ux autoverify=OFF | /cx/ux verify=start
Cmd: Cntlr | | |
-------------+----------------------+------------------------+------------------------
/cx verify= | Verify task may run, | The verify task of the | Starts a verify task
disable | but would not be | specified unit with | immediately (regard-
| according to verify | autoverify=off would | less of autoverify
| schedule. | not run, unless an | setting).
| | on-demand (start veri- |
| | fy) command is issued. |
| | Also, other units' |
| | verify task may run. |
-------------+----------------------+------------------------+------------------------
/cx verify= | Verify task would | The verify task of the | Initiates the verify
enable | run at any time dur- | specified unit with | process that would
| ing the speicifed | autoverify=off would | start a verify task
| schedule window, | not run, unless an | depending on schedule
| provided no higher | on-demand (start veri- | (i.e., if command is
| background tasks | fy) command is issued. | issued outside of the
| would be running. | Also, other units' | schedule window, until
| | verify tasks may run. | the associated timeslot
| | | is reached in time to
| | | run, the verify task
| | | will be paused).
-------------+----------------------+------------------------+------------------------</pre>
<p>Please note that the command <em>/cx/ux start verify</em> is associated with Manual Verify
only when Verify=Disable. When Verify=Enable, it does not necessarily start the
verify task immediately.</p>
<p>
</p>
<h2><a name="verify__advanced">Verify - Advanced</a></h2>
<p>Advanced Verify is actually the Verify function of the previous section, intended
for advanced users, in systems where Basic Verify is supported. Advanced/Basic
Verify is supported on 9650SE and 9690SA controllers. In such systems, to set
to Advanced Verify as opposed to Basic Verify, you would set verify=advanced
with the command:</p>
<pre>
/cx set verify=advanced|basic|1..5</pre>
<p>If the system does not support Advanced/Basic Verify, you would get the following
error:</p>
<pre>
//localhost&gt; /c2 set verify=advanced
Error: (CLI:146) Basic/Advanced Verify is not supported.</pre>
<p>In this case you could still set Verify to enable/disable. (See previous section.)
If Advanced/Basic is supported on your system, after issuing this command, all other
commands for Advanced Verify is identical to Verify that was presented in the previous
section.</p>
<p>We will show a setup scenario to demonstrate how the commands are used with respect
to this feature. For a RAID system with the following arrays and drives, we will
show the usage of the commands along with examples. Please note that this system
has a 9690SA controller with the firmware that also supports Basic Verify.</p>
<pre>
//localhost&gt; /c3 show</pre>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 OK - - 64K 298.002 ON OFF
u1 SPARE OK - - - 34.1744 - OFF</pre>
<pre>
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 149.05 GB SATA 0 - WDC WD1600JS-22NCB1
p2 OK u0 149.05 GB SATA 2 - WDC WD1600JS-22NCB1
p3 OK u0 149.05 GB SATA 3 - WDC WD1600JS-22NCB1
p6 OK u1 34.18 GB SAS 6 - SEAGATE ST936701SS</pre>
<p>First we issue /cx set verify=advanced:</p>
<pre>
//localhost&gt; /c3 set verify=advanced
Enabling scheduled verifies on controller /c3 ... Done.</pre>
<p>We could issue a show command to see the default verify schedule:</p>
<pre>
//localhost&gt; /c3 show verify</pre>
<pre>
Verify Schedule for Controller /c3
========================================================
Slot Day Hour Duration AdvVerify
--------------------------------------------------------
1 Sun 12:00am 24 hr(s) on
2 Mon 12:00am 24 hr(s) on
3 Tue 12:00am 24 hr(s) on
4 Wed 12:00am 24 hr(s) on
5 Thu 12:00am 24 hr(s) on
6 Fri 12:00am 24 hr(s) on
7 Sat 12:00am 24 hr(s) on
Since the schedule is full, we need to delete a timeslot first, before we could
add a new one with a different schedule. We will delete timeslot-3.</pre>
<pre>
//localhost&gt; /c3 del verify=3
Removing scheduled verify slot [3] ... Done.</pre>
<p>Now to add a new background verify task onto the schedule:</p>
<pre>
//localhost&gt; /c3 add verify=sun:15:4
Adding scheduled verify to slot 3 for [Sun, 3:00PM, 4hr(s)] ... Done.</pre>
<p>Now the schedule would show:</p>
<pre>
//localhost&gt; /c3 show verify</pre>
<pre>
Verify Schedule for Controller /c3
========================================================
Slot Day Hour Duration AdvVerify
--------------------------------------------------------
1 Sun 12:00am 24 hr(s) on
2 Mon 12:00am 24 hr(s) on
3 Tue 5:00pm 4 hr(s) on
4 Wed 12:00am 24 hr(s) on
5 Thu 12:00am 24 hr(s) on
6 Fri 12:00am 24 hr(s) on
7 Sat 12:00am 24 hr(s) on</pre>
<p>To see the autoverify setting and then set it to ON for our RAID-5 array:</p>
<pre>
//localhost&gt; /c3/u0 show autoverify
/c3/u0 Auto Verify Policy = off</pre>
<pre>
//localhost&gt; /c3/u0 set autoverify=on
Setting Auto-Verify Policy on /c3/u0 to [on] ... Done.</pre>
<p>If we issue a start verify to unit /u3:</p>
<pre>
//localhost&gt; /c3/u0 start verify
Sending start verify message to /c3/u0 ... Done.
Unit was not previously initialized. Will be initialized first before verified.</pre>
<p>If we subsequently look at unit /u3 (on Tuesday, 12:30PM):</p>
<pre>
//localhost&gt; /c3 show</pre>
<pre>
Unit UnitType Status %RCmpl %V/I/M Stripe Size(GB) Cache AVrfy
------------------------------------------------------------------------------
u0 RAID-5 INITIALIZING - 0% 64K 298.002 ON ON
u1 SPARE OK - - - 34.1744 - OFF</pre>
<pre>
VPort Status Unit Size Type Phy Encl-Slot Model
------------------------------------------------------------------------------
p0 OK u0 149.05 GB SATA 0 - WDC WD1600JS-22NCB1
p2 OK u0 149.05 GB SATA 2 - WDC WD1600JS-22NCB1
p3 OK u0 149.05 GB SATA 3 - WDC WD1600JS-22NCB1
p6 OK u1 34.18 GB SAS 6 - SEAGATE ST936701SS</pre>
<p>Note that the initialize process is starting.</p>
<p>The table below summarizes the settings for Advanced Verify. It describes the
interactions of the commands and the corresponding system response.</p>
<pre>
-------------+----------------------+------------------------+------------------------
Cmd: Unit-&gt; | /cx/ux autoverify=ON | /cx/ux autoverify=OFF | /cx/ux verify=start
Cmd: Cntlr | | |
-------------+----------------------+------------------------+------------------------
/cx verify= | Verify task would | The verify task of the | Initiates the verify
advanced | run at any time dur- | specified unit with | process that would
| ing the specifed | autoverify=off would | start a verify task
| schedule window, | not run, unless an | depending on schedule
| provided no higher | on-demand (start veri- | (i.e., if command is
| background tasks | fy) command is issued. | issued outside of the
| would be running. | Also, other units' | schedule window, until
| | verify tasks may run. | the associated timeslot
| | | is reached in time to
| | | run, the verify task
| | | be paused).
-------------+----------------------+------------------------+------------------------</pre>
<p>Please note that this is the lower part of the table in the previous section on Verify,
with verify=advanced instead of verify=enabled.</p>
<p>
</p>
<h2><a name="verify__basic">Verify - Basic</a></h2>
<p>As a result of the complexity and non-deterministic nature of Verify or
Advanced Verify with respect to when scheduled verify tasks may execute, the
Basic Verify feature was introduced to provide a more simplistic verify
function as an option.</p>
<p>Basic Verify does not change the current Verify function. But supplies the
user a means to specify a preferred day and time for a weekly background verify
task to be executed. If the preferred day and time is not specified, a default
is provided. The setting is simplier and when a scheduled verify task would
run is more deterministic and straight-forward.</p>
<p>Before using Basic Verify, it is important to know if your system supports
Advanced/Basic Verify. Generally, this is supported in the 9650SE, 9690SA and 9750
controllers. If the system does not support Advanced/Basic Verify, you would get
the following error:</p>
<pre>
//localhost&gt; /c2 set verify=advanced
Error: (CLI:146) Basic/Advanced Verify is not supported for the specified controller.</pre>
<p>The table below summarizes the settings for Basic Verify. It describes the
interactions of the commands and the corresponding system response.</p>
<pre>
-------------+----------------------+------------------------+------------------------
Cmd: Unit-&gt; | /cx/ux autoverify=ON | /cx/ux autoverify=OFF | /cx/ux verify=start
Cmd: Cntlr | | |
-------------+----------------------+------------------------+------------------------
/cx verify= | The verify task | The verify task of the | Starts a verify task
basic | would run according | specified unit with | immediately (regard-
| to the specified | autoverify=off would | less of autoverify
| preferred time (if | not run, unless an | setting).
| none is specified, | on-demand (start veri- |
| default is used). | fy) command is issued. |
| | Other units' verify |
| | tasks may run. |
-------------+----------------------+------------------------+------------------------</pre>
<p>To set the background verify task with Basic Verify, specify <em>verify=basic</em>
along with the preferred day and time for the verify task to execute:</p>
<pre>
//localhost&gt; /c3 set verify=basic pref=Fri:23
Setting /c3 basic verify preferred start time to [Fri, 11:00PM] ... Done.</pre>
<p>To display the preferred start time and day of the verify task previously set:</p>
<pre>
//localhost&gt;&gt; /c0 show verify
/c0 basic verify weekly preferred start: Friday, 11:00PM</pre>
<p>The background verify task will run every Friday starting at 11:00 PM.</p>
<p>
</p>
<hr />
<h1><a name="return_code">RETURN CODE</a></h1>
<p>While informative messages are written to standard output, error messages are
written to standard error. On success, 0 is returned. On failure 1 is returned.</p>
<p>
</p>
<hr />
<h1><a name="errata">ERRATA</a></h1>
<p>
</p>
<h2><a name="metacharacter_warning_">Meta-Character Warning:</a></h2>
<p>If you wish to use CLI in single command mode (not interactive), make sure to avoid
collision with your command interpreter (OS shell) by escaping the meta-characters
(such as ?, &lt;, &gt;, @, &amp;, *, etc) appropriately with single quote around them.</p>
<p>For example, given the</p>
<p>$ tw_cli /c0 ?</p>
<p>This is a case of single command usage where the user intends to get help on Controller
related commands. While this is a valid CLI command, but since the arguments to CLI
are first processed by the shell, then some shells like <code>csh(1)</code> will interpret the '?' as
a meta-character to be used toward file completion and if no file is found with a single
character, then shell will complain before the arguments are even passed down to CLI.</p>
<p>One solutions of this problem can be :</p>
<p>$ tw_cli help /cx</p>
<p>or</p>
<p>$ tw_cli '/c0 ?'</p>
<p>Note: Some of the OS shell does not have this problem such as bash.</p>
<p>
</p>
<h2><a name="reporting_style">Reporting Style</a></h2>
<pre>
tw_cli(8) reporting has changed (hopefully for better). The intent has been to
provide a consistent tabular reporting so that relevant and important information
(such as B&lt;info&gt;) are made available as fast as possible. For example, firmware,
PCB, PCHIP and similar information have been removed from the info summary report,
as this type of information is not frequently needed.</pre>
<p>The new style also accommodates automation much better by providing consistent
columns with or without values so that it could be easily parsed. The intent is
to make CLI yet another API (to approach it).</p>
<p>However to accommodate current automations around tw_cli and to ease the migration,
the old behavior can still be requested by setting <strong>TW_CLI_STYLE</strong>
environment variable to <strong>OLD</strong> as follows:</p>
<pre>
If Bash, then &quot;export TW_CLI_STYLE=OLD&quot;
If csh, then &quot;setenv TW_CLI_STYLE OLD&quot;
if Windows, then &quot;set TW_CLI_STYLE=OLD&quot;</pre>
<p>This backward compatibility window, will be communicated by official 3ware representatives.</p>
<p>
</p>
<h2><a name="initialization_process_control">Initialization Process Control</a></h2>
<p>On the 9K series of controllers, the rebuild scheduling controls both rebuild and
initialize processes if it is enabled. Currently, <code>tw_cli(8)</code>
does not have any direct command to pause or resume an initialization process.
If such action is needed, use the rebuild scheduling to handle it.</p>
<p>
</p>
<h2><a name="environment_variables">Environment Variables</a></h2>
<p>TW_CLI_STYLE setting this variable to OLD, will provide the old reporting style.
TW_CLI_INPUT_STYLE setting this variable to OLD, will disable focus feature in the
interactive mode.</p>
<p>
</p>
<hr />
<h1><a name="author">AUTHOR</a></h1>
<p>This document was originally written by previous developers of the Command
Line Interface (CLI) software. Since then it has been modified with added
terminology and controller model summary information, updated per command
usage and output information, and augmented for added support of new
commands, features, and controllers, by Marian M. Choy.
</p>
<p>
</p>
<hr />
<h1><a name="see_also">SEE ALSO</a></h1>
<pre>
3ware SAS/SATA RAID Software User Guide
3ware SAS+SATA RAID Controller Card CLI Guide
3ware Installation Guide
<a href="http://www.3ware.com">http://www.3ware.com</a> or <a href="http://www.lsi.com/channel">http://www.lsi.com/channel</a>
</pre>
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