139 lines
8.0 KiB
HTML
139 lines
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HTML
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<meta name="DC.Title" content="Shared processor pool considerations for i5/OS license agreements" />
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<title>Shared processor pool considerations for i5/OS license
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agreements</title>
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<body id="rzaitlparlicense"><a name="rzaitlparlicense"><!-- --></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">Shared processor pool considerations for <span class="keyword">i5/OS</span> license
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agreements</h1>
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<div><p>Unique software resources exist and operate on hardware that is
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assigned to each partition.</p>
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<p>These software resources include separate copies of Licensed Internal Code, <span class="keyword">i5/OS™</span>, and other licensed program
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products. Additionally, language feature codes, security, user data, most
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system values, and software release and fixes (or program temporary fixes,
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PTFs) remain unique for each logical partition.</p>
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<p>If you use the shared processing pool, you should be aware of the maximum
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number of virtual processors you allocate to each partition on your server.
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Depending on your logical partition configuration, you might need to purchase
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more <span class="keyword">i5/OS</span> licenses to
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ensure compliance with your <span class="keyword">i5/OS</span> license
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agreement. IBM<sup>®</sup> rounds
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up to the nearest whole number in calculating the number of software licenses
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you need to purchase. However, IBM never charges you for more software
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licenses than the number of physical processors that exist on your server.</p>
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<p>For example, Company Y has purchased 2 <span class="keyword">i5/OS</span> licenses.
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Company Y has a server with 3 processors and 4 logical partitions. All 4 partitions
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use the shared processing pool. The configuration of the partitions is as
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follows: </p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption>Table 1. Logical partition configuration in compliance with license agreement</caption><thead align="left"><tr><th valign="top" id="d0e54">Partition name</th>
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<th valign="top" id="d0e56">Operating system</th>
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<th valign="top" id="d0e58">Processing units used by each partition</th>
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<th valign="top" id="d0e60">Total processing units</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e54 ">Partition A</td>
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<td valign="top" headers="d0e56 "><span class="keyword">i5/OS</span></td>
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<td valign="top" headers="d0e58 ">0.25</td>
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<td rowspan="2" valign="top" headers="d0e60 ">2.0</td>
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</tr>
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<tr><td valign="top" headers="d0e54 ">Partition B</td>
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<td valign="top" headers="d0e56 "><span class="keyword">i5/OS</span></td>
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<td valign="top" headers="d0e58 ">1.75</td>
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</tr>
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<tr><td valign="top" headers="d0e54 ">Partition C</td>
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<td valign="top" headers="d0e56 ">Linux<sup>®</sup></td>
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<td valign="top" headers="d0e58 ">0.25</td>
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<td rowspan="2" valign="top" headers="d0e60 ">1.0</td>
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</tr>
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<tr><td valign="top" headers="d0e54 ">Partition D</td>
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<td valign="top" headers="d0e56 ">Linux</td>
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<td valign="top" headers="d0e58 ">0.75</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>The configuration in the previous table is in compliance with Company Y's
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license agreement because only a total of 2 processing units in the shared
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processing pool are being used by <span class="keyword">i5/OS</span> partitions.
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However, Company Y can easily become out of compliance with their <span class="keyword">i5/OS</span> license agreement with this
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configuration.</p>
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<p>For instance, the system administrator powers off Partition C and moves
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its processing units to Partition A. The total processing units being used
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by the <span class="keyword">i5/OS</span> partitions
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increase to 2.25 units. The following table shows the new partition configuration. </p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><caption>Table 2. Logical partition configuration not in compliance with license
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agreement</caption><thead align="left"><tr><th valign="top" id="d0e127">Partition name</th>
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<th valign="top" id="d0e129">Operating system</th>
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<th valign="top" id="d0e131">Processing units used by each partition</th>
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<th valign="top" id="d0e133">Total processing units</th>
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</tr>
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</thead>
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<tbody><tr><td valign="top" headers="d0e127 ">Partition A</td>
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<td valign="top" headers="d0e129 "><span class="keyword">i5/OS</span></td>
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<td valign="top" headers="d0e131 ">0.50</td>
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<td rowspan="2" valign="top" headers="d0e133 ">2.25</td>
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</tr>
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<tr><td valign="top" headers="d0e127 ">Partition B</td>
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<td valign="top" headers="d0e129 "><span class="keyword">i5/OS</span></td>
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<td valign="top" headers="d0e131 ">1.75</td>
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</tr>
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<tr><td valign="top" headers="d0e127 ">Partition C (powered off)</td>
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<td valign="top" headers="d0e129 ">Linux</td>
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<td valign="top" headers="d0e131 ">0.00</td>
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<td rowspan="2" valign="top" headers="d0e133 ">0.75</td>
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</tr>
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<tr><td valign="top" headers="d0e127 ">Partition D</td>
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<td valign="top" headers="d0e129 ">Linux</td>
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<td valign="top" headers="d0e131 ">0.75</td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>When determining the total number of <span class="keyword">i5/OS</span> licenses
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required, any partial processing units used by <span class="keyword">i5/OS</span> are
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rounded up to the next whole number in the final count. Therefore, if Company
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Y uses the configuration in the previous table, they need three <span class="keyword">i5/OS</span> licenses.
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Because Company Y has only purchased two <span class="keyword">i5/OS</span> licenses,
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they are out of compliance with their license agreement. To ensure that they
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are in compliance with their license agreement, Company Y must either decrease
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the maximum number of processing units that Partition A uses or purchase another <span class="keyword">i5/OS</span> license.</p>
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<p>You must have enough <span class="keyword">i5/OS</span> licenses
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to equal the maximum processor capacity of your partitions. If your processor
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capacity exceeds the number of <span class="keyword">i5/OS</span> licenses
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you have purchased, you will receive out of compliance messages. To stop receiving
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these messages, you can contact IBM to purchase more licenses or you can
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reconfigure your processor allocation.</p>
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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="rzaitlicense.htm" title="Learn about the software licensing and pricing strategy for IBM products on an iSeries server with logical partitions.">Software licensing and licensed programs for logical partitions</a></div>
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</div>
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</div>
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