148 lines
6.5 KiB
HTML
148 lines
6.5 KiB
HTML
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<title>Background Task Prioritization</title>
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<a class="WebWorks_Breadcrumb_Link" href="Maintain_Units.7.1.html#1196480">Maintaining Units</a> > <a class="WebWorks_Breadcrumb_Link" href="Maintain_Units.7.15.html#1196480">Background Tasks</a> > Background Task Prioritization</div>
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<div class="Heading2"><a name="1196480">Backgro</a>und Task Prioritization</div>
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<div class="Body"><a name="1196482">Although migration tasks follow the same schedule as rebuild and </a>initialization tasks, they are always given the highest priority because of the controller and disk resources required during migration. </div>
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<div class="Body"><a name="1190607">Once a unit is put into the migration state, it must be allowed to complete the </a>process. While migrating, rebuilds or verifies to the unit are not permitted. </div>
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<div class="Body"><a name="1198702">Rebuilding preempts verify operations. If a unit requires rebuilding, that </a>process will take place before the unit is verified. </div>
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<div class="Body"><a name="1198703">Controllers can work on multiple units at the same time. This means that if </a>you have both a redundant unit and a non-redundant unit, the verification of the redundant unit and the media scan of the non-redundant unit will occur at the same time.</div>
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<dl>
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<dt>Related Topics</dt>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.15.html#1144914" name="1675538">Background Tasks</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.26.html#1112466" name="1675542">Scheduling Background Tasks</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.24.html#1585765" name="1675546">Setting Background Task Rate</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.27.html#1082252" name="1675550">Viewing Current Task Schedules</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.28.html#1116708" name="1675554">Turning On or Off Use of a Rebuild/Migrate Task Schedule</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.30.html#1515344" name="1675558">Removing a Task Slot from a Schedule</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.31.html#1072535" name="1675562">Adding a New Task Schedule Slot</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.20.html#1353024" name="1675566">Rebuilding Units</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Maintain_Units.7.19.html#1522248" name="1675570">Starting a Verify Manually</a></div>
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<a href="http://www.lsi.com/channel/products" target="_blank">LSI Corporation</a>
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<p style="font-size: .8em">Copyright LSI 2004-2010<br />
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