61 lines
4.8 KiB
HTML
61 lines
4.8 KiB
HTML
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<title>Determine the possible number of logical partitions</title>
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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">Determine the possible number of logical partitions</h1>
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<div><p>The number of processors you want to add to a logical partition
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depends on the planned workload for the partition and the desired level of
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performance.</p>
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<p>The number of processors you want to add to a logical partition depends
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on the planned workload for the partition and the desired level of performance.
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The number of partitions supported depends on the number of processors in
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the server model. If you are running release V5R1 or later, the 820, 830,
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and 840 models can have up to 32 logical partitions using the shared processor
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pool. The 820, 830, and 840 models are also designed to have up to 24 logical
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partitions using dedicated processors. The 890 model supports up to 32 logical
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partitions using dedicated processors.</p>
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<p>For estimation purposes, approximately each processor of a server offers
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1/(total number of processors on the server) of the total Commercial Processing
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Workload (CPW) performance available through that processor feature.</p>
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<p>Refer to the Logical Partition web site for additional information on performing <a href="http://www.ibm.com/eserver/iseries/lpar/capacityplan.htm" target="_blank">Capacity Planning</a> <img src="www.gif" alt="Link outside Information Center" /> for your iSeries™ server.</p>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzaitunderstandhardware.htm" title="Determine if your hardware resources meet the minimum requirements needed to partition your server. Evaluate each iSeries model to determine how your hardware will function once you partition your server.">Hardware requirements for logical partitions</a></div>
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<div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzaitshareproc.htm" title="The shared processing pool allows you to assign partial processors to a logical partition.">Logical partition concept: shared processor pool</a></div>
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<div><a href="rzaitdedproc.htm" title="Dedicated processors are whole processors that are used exclusively by the partition to which they are assigned. The dedicated processor handles the processing for a specific logical partition.">Logical partition concept: dedicated processor</a></div>
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<div><a href="rzaitpartoptions.htm" title="Understand the advantages of partitioning your server and practical scenarios your company can use with this advanced technology.">How logical partitioning can work for you</a></div>
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