53 lines
3.6 KiB
HTML
53 lines
3.6 KiB
HTML
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Logical partition concept: IOP and device switching" />
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<meta name="abstract" content="If you elect to partition at the IOP-level, you can switch certain IOPs and all its attached devices between partitions that share the same bus dynamically." />
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<meta name="description" content="If you elect to partition at the IOP-level, you can switch certain IOPs and all its attached devices between partitions that share the same bus dynamically." />
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<title>Logical partition concept: IOP and device switching</title>
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</head>
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<body id="rzaitswitching"><a name="rzaitswitching"><!-- --></a>
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<!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Logical partition concept: IOP and device switching</h1>
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<div><p>If you elect to partition at the IOP-level, you can switch certain
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IOPs and all its attached devices between partitions that share the same bus
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dynamically. </p>
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<p>The partition that currently owns the IOP must not be in use before you
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switch the IOP to another partition.</p>
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<p>Switching requires removing the IOP from its current partition and adding
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it to a different one. In other words, two partitions cannot use the IOP and
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its devices at the same time.</p>
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<div class="attention"><span class="attentiontitle">Attention:</span> When switching disk unit IOPs, ensure that all disk
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units that belong to that specific IOP are first removed from the auxiliary
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storage pool and are in a non-configured status.</div>
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</div>
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<div>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaitiodevice.htm" title="The IOP attaches to the system I/O bus and one or more input/output adapters (IOAs). The IOP processes instructions from the server and works with the IOAs to control the I/O devices.">Logical partition concept: IOP</a></div>
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</div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzaitbusiop.htm" title="Depending on your needs, there can be advantages to setting up one type of I/O partition instead of another.">Logical partition concept: Bus-level and IOP-level I/O partitions</a></div>
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</div>
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