397 lines
18 KiB
HTML
397 lines
18 KiB
HTML
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<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<title>Background Tasks</title>
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<body style="">
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<td style="text-align: left;">
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<a href="http://www.lsi.com/channel/products" target="_blank">
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<p style="color: Navy; font-weight:bold">3DM2™ Online
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Help</p>
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<a class="WebWorks_Breadcrumb_Link" href="Maintain_Units.7.1.html#1144914">Maintaining Units</a> > Background Tasks</div>
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<hr align="left" />
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<div>
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<div class="Heading1"><a name="1144914">Background Tasks</a></div>
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<div class="Body"><a name="1172587">Background tasks are maintenance tasks that help maintain the integrity of </a>your drives and data. These tasks include</div>
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<div class="Bullet_inner"><a name="1071739">Initialization of units </a></div>
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<div class="Bullet_inner"><a name="1172344">Verification of units</a></div>
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<div class="Bullet_inner"><a name="1172345">Rebuilds when units have become degraded</a></div>
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</td>
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</table>
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</td>
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<td width="100%">
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<div class="Bullet_inner"><a name="1172346">Migration of units from one configuration to another</a></div>
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</td>
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</table>
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<img src="sqbullet.gif" alt="*" id="bullet1091994" border="0" width="8" height="8" />
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</td>
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<td width="100%">
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<div class="Bullet_inner"><a name="1091994">Self-tests</a></div>
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</td>
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</table>
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</div>
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<div class="Body"><a name="1585715">3ware RAID management software includes some controls to help you </a>balance completion of these tasks with host I/O responsiveness, so as to minimize any conflict between the two. For example, you can schedule when backgrounds tasks should be run (to avoid peak work hours) and you can specify the rate at which they run in relationship to foreground I/O tasks. You can also set the background task mode to address the issue of latency.</div>
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<div class="Body"><a name="1173680">This section includes the following topics related to background tasks:</a></div>
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<div class="Bullet_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1192015">
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<img src="sqbullet.gif" alt="*" id="bullet1192015" border="0" width="8" height="8" />
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</div>
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</td>
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<td width="100%">
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<div class="Bullet_inner"><a href="Maintain_Units.7.16.html#1092646" name="1192015">About Initialization</a></div>
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</table>
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<tr style="vertical-align: baseline;">
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<img src="sqbullet.gif" alt="*" id="bullet1192022" border="0" width="8" height="8" />
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</td>
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<td width="100%">
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<div class="Bullet_inner"><a href="Maintain_Units.7.17.html#1080320" name="1192022">About Verification</a></div>
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</td>
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</tr>
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</table>
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<tr style="vertical-align: baseline;">
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<img src="sqbullet.gif" alt="*" id="bullet1192042" border="0" width="8" height="8" />
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</td>
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<td width="100%">
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<div class="Bullet_inner"><a href="Maintain_Units.7.19.html#1522248" name="1192042">Starting a Verify Manually</a></div>
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</td>
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</tr>
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</table>
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<img src="sqbullet.gif" alt="*" id="bullet1192047" border="0" width="8" height="8" />
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<td width="100%">
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<div class="Bullet_inner"><a href="Maintain_Units.7.20.html#1353024" name="1192047">Rebuilding Units</a></div>
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</td>
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</table>
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<td width="100%">
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<div class="Bullet_inner"><a href="Maintain_Units.7.21.html#1377899" name="1192051">Cancelling a Rebuild and Restarting It with a Different Drive</a></div>
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<td width="100%">
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<div class="Bullet_inner"><a href="Maintain_Units.7.22.html#1079448" name="1585756">Working with the Background Task Mode</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.23.html#1585958" name="1588762">Setting the Background Task Mode</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.24.html#1585765" name="1192056">Setting Background Task Rate</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.25.html#1196480" name="1192060">Background Task Prioritization</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.26.html#1112466" name="1192140">Scheduling Background Tasks</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.27.html#1082252" name="1192065">Viewing Current Task Schedules</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.28.html#1116708" name="1192069">Turning On or Off Use of a Rebuild/Migrate Task Schedule</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.30.html#1515344" name="1192073">Removing a Task Slot from a Schedule</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.31.html#1072535" name="1192087">Adding a New Task Schedule Slot</a></div>
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<div class="Bullet_inner"><a href="Maintain_Units.7.32.html#1072552" name="1192091">Selecting Self-tests to be Performed</a></div>
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<div class="Body"><a name="1192014">Although the migration of a unit is handled as a background task, initiating it </a>is similar to creating a new unit. For details, see <a href="Config_Units.6.16.html#2055961">Changing An Existing Configuration by Migrating</a>.</div>
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