287 lines
16 KiB
HTML
287 lines
16 KiB
HTML
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<a class="WebWorks_Breadcrumb_Link" href="Config_Units.6.1.html#1432690">Configuring Units</a> > <a class="WebWorks_Breadcrumb_Link" href="Config_Units.6.16.html#1432690">Changing An Existing Configuration by Migrating</a> > Changing RAID Level </div>
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<hr align="left" />
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<div>
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<div class="Heading2"><a name="1432690">Changing RAID Level </a></div>
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<div class="BodyAfterHead"><a name="1432685">You can use migrate to change the RAID level of an existing unit while the </a>unit is online, without experiencing any data loss. When you change a RAID level, you may also add one or more drives to the unit. You can also migrate to change the unit's stripe size. For example, a four-drive RAID 5 with a 64KB stripe size can be migrated to a four-drive RAID 5 with 256KB stripe size. The steps below describe how to change a RAID level in 3DM2. </div>
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<div class="anchor">
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<span class="Red"> </span><a name="1200202"> </a></div>
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<table id="1200219" class="NoteTable" style="margin-bottom: pt; margin-right: pt; margin-top: pt; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; text-align: left;" cellspacing="0">
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<caption></caption>
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<tr style="vertical-align: top;">
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<td id="tc1200221" style="background-color: Transparent; border-bottom-color: White; border-bottom-style: solid; border-bottom-width: thin; border-left-color: White; border-left-style: solid; border-left-width: thin; border-right-color: White; border-right-style: solid; border-right-width: thin; border-top-color: White; border-top-style: solid; border-top-width: thin; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; vertical-align: top;">
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<div class="NoteAnchor">
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<img src="Note.gif" alt="*" id="bullet1200221" border="0" width="27" height="34" /><a name="1200221"> </a></div>
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</td>
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<td id="tc1200223" style="background-color: Transparent; border-bottom-color: White; border-bottom-style: solid; border-bottom-width: thin; border-left-color: White; border-left-style: solid; border-left-width: thin; border-right-color: White; border-right-style: solid; border-right-width: thin; border-top-color: White; border-top-style: solid; border-top-width: thin; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; vertical-align: top;">
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<div class="CellBody"><span class="UI-Element"><a name="1200223">Note:</a></span> Once migration starts, the unit stays in the migrating state until the migration process is complete. The migration process cannot be aborted, and must be allowed to finish before a rebuild or verify to the unit is permitted.</div>
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</td>
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</tr>
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</table>
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<div class="anchor">
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<span class="Red"> </span><a name="1200214"> </a></div>
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<table id="1200236" class="AttentionTable" style="margin-bottom: pt; margin-right: pt; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; text-align: left;" cellspacing="0">
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<caption></caption>
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<tr style="vertical-align: top;">
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<td id="tc1200238" style="background-color: Transparent; border-bottom-color: White; border-bottom-style: solid; border-bottom-width: thin; border-left-color: White; border-left-style: solid; border-left-width: thin; border-right-color: White; border-right-style: solid; border-right-width: thin; border-top-color: White; border-top-style: solid; border-top-width: thin; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; vertical-align: top;">
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<div class="ExclamationAnchor">
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<img src="Exclamation.gif" alt="*" id="bullet1200238" border="0" width="35" height="29" /><a name="1200238"> </a></div>
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</td>
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<td id="tc1200240" style="background-color: Transparent; border-bottom-color: White; border-bottom-style: solid; border-bottom-width: thin; border-left-color: White; border-left-style: solid; border-left-width: thin; border-right-color: White; border-right-style: solid; border-right-width: thin; border-top-color: White; border-top-style: solid; border-top-width: thin; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; vertical-align: top;">
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<div class="CellBody"><span class="NoteHeading"><a name="1200240">Warning:</a></span> It is important that you allow migration to complete before removing any drives that are involved in the migration. Removing drives from the unit during migration may cause the migration process to stop, and can jeopardize the safety of your data.</div>
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</td>
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</tr>
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</table>
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<div class="ToDo"><a name="1104917">To change the RAID level of a unit</a></div>
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<div class="NumberedFirst_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1104918">
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<tr style="vertical-align: baseline;">
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<td>
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<div class="NumberedFirst_inner" style="width: 1.5em; white-space: nowrap;">
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<span class="UI-Element">1 </span>
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</div>
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</td>
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<td width="100%">
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<div class="NumberedFirst_inner"><a name="1104918">In 3DM2, choose </a><span class="UI-Element">Management >> Maintenance</span>.</div>
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</td>
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</tr>
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</table>
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</div>
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<div class="Numbered_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1104919">
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<tr style="vertical-align: baseline;">
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<td>
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<div class="Numbered_inner" style="width: 1.5em; white-space: nowrap;">
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<span class="UI-Element">2 </span>
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</div>
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</td>
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<td width="100%">
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<div class="Numbered_inner"><a name="1104919">In the Unit Maintenance table on the Maintenance Page, select the unit for </a>which you wish to change the RAID level, by checking the box next to the Unit ID.</div>
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</td>
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</tr>
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</table>
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</div>
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<div class="anchor">
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<span class="Red"> </span><a name="1699635"> </a></div>
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<table id="1699639" class="NoteTableIndented" style="margin-bottom: pt; margin-right: pt; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; text-align: left;" cellspacing="0">
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<caption></caption>
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<tr style="vertical-align: top;">
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<td id="tc1705367" style="background-color: White; border-bottom-color: White; border-bottom-style: solid; border-bottom-width: thin; border-left-color: White; border-left-style: solid; border-left-width: thin; border-right-color: White; border-right-style: solid; border-right-width: thin; border-top-color: White; border-top-style: solid; border-top-width: thin; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; vertical-align: top;">
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<div class="NoteAnchor">
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<img src="Note.gif" alt="*" id="bullet1705367" border="0" width="27" height="34" /><a name="1705367"> </a></div>
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</td>
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<td id="tc1705369" style="background-color: White; border-bottom-color: White; border-bottom-style: solid; border-bottom-width: thin; border-left-color: White; border-left-style: solid; border-left-width: thin; border-right-color: White; border-right-style: solid; border-right-width: thin; border-top-color: White; border-top-style: solid; border-top-width: thin; padding-bottom: pt; padding-left: pt; padding-right: pt; padding-top: pt; vertical-align: top;">
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<div class="CellBody"><span class="NoteHeading"><a name="1705369">Note:</a></span> The unit to be migrated must be in a normal state (not degraded, initializing, or rebuilding) before starting the migration.</div>
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</td>
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</tr>
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</table>
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<div class="Numbered_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1107558">
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<tr style="vertical-align: baseline;">
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<td>
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<div class="Numbered_inner" style="width: 1.5em; white-space: nowrap;">
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<span class="UI-Element">3 </span>
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</div>
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</td>
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<td width="100%">
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<div class="Numbered_inner"><a name="1107558">Click the </a><span class="UI-Element">Migrate Unit </span>button.</div>
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</td>
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</tr>
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</table>
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</div>
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<div class="Indent"><a name="1107559">The Migrate dialog box appears.</a></div>
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<div class="Numbered_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1107560">
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<tr style="vertical-align: baseline;">
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<td>
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<div class="Numbered_inner" style="width: 1.5em; white-space: nowrap;">
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<span class="UI-Element">4 </span>
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</div>
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</td>
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<td width="100%">
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<div class="Numbered_inner"><a name="1107560">Select any drives to be added to the unit.</a></div>
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</td>
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</tr>
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</table>
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</div>
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<div class="Numbered_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1112864">
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<tr style="vertical-align: baseline;">
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<td>
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<div class="Numbered_inner" style="width: 1.5em; white-space: nowrap;">
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<span class="UI-Element">5 </span>
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</div>
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</td>
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<td width="100%">
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<div class="Numbered_inner"><a name="1112864">Select the new RAID level. </a></div>
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</td>
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</tr>
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</table>
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</div>
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<div class="Numbered_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1104923">
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<tr style="vertical-align: baseline;">
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<td>
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<div class="Numbered_inner" style="width: 1.5em; white-space: nowrap;">
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<span class="UI-Element">6 </span>
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</div>
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</td>
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<td width="100%">
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<div class="Numbered_inner"><a name="1104923">Optionally, select a new Stripe size.</a></div>
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</td>
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</tr>
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</table>
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</div>
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<div class="Numbered_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1104924">
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<tr style="vertical-align: baseline;">
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<td>
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<div class="Numbered_inner" style="width: 1.5em; white-space: nowrap;">
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<span class="UI-Element">7 </span>
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</div>
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</td>
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<td width="100%">
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<div class="Numbered_inner"><a name="1104924">Click </a><span class="UI-Element">OK</span>.</div>
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</td>
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</tr>
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</table>
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</div>
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<div class="Indent"><a name="1104925">The Maintenance page updates to show the new unit and the Migration </a>progress.</div>
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<div class="Numbered_outer" style="margin-left: NaN;">
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<table border="0" cellspacing="0" cellpadding="0" id="SummaryNotRequired_np1111604">
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<tr style="vertical-align: baseline;">
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<td>
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<div class="Numbered_inner" style="width: 1.5em; white-space: nowrap;">
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<span class="UI-Element">8 </span>
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</div>
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</td>
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<td width="100%">
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<div class="Numbered_inner"><a name="1111604">Inform the operating system of the change, as described under </a><a href="Config_Units.6.20.html#1112868">Informing the Operating System of Changed Configuration</a>. </div>
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</td>
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</tr>
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</table>
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</div>
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<hr />
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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="Config_Units.6.17.html#1104694" name="2407556">RAID Level Migration (RLM) Overview</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Config_Units.6.16.html#2055961" name="2407560">Changing An Existing Configuration by Migrating</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Config_Units.6.19.html#1438042" name="2407564">Expanding Unit Capacity</a></div>
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</dd>
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<dd>
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<div class="RelatedTopic"><a href="Config_Units.6.20.html#1112868" name="2407568">Informing the Operating System of Changed Configuration</a></div>
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</dd>
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</dl>
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<hr align="left" />
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<tr>
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<td style="text-align: left; font-size: 16px ; font-weight: bold">
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<a href="http://www.lsi.com/channel/products" target="_blank">LSI Corporation</a>
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</td>
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</tr>
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</table>
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<p style="font-size: .8em">Copyright LSI 2004-2010<br />
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To contact Support, go to <a href="http://www.lsi.com/channel/ContactUs">http://www.lsi.com/channel/ContactUs</a></p>
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</body>
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</html>
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