65 lines
4.9 KiB
HTML
65 lines
4.9 KiB
HTML
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<meta name="abstract" content="Cumulative program temporary fix (PTF) packages contain fixes for a given release of the i5/OS operating system. The fixes contained in a cumulative PTF package are for the Licensed Internal Code and most licensed programs that can be installed on that operating system release." />
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<title>Cumulative PTF packages</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">Cumulative PTF packages</h1>
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<div><p><span><img src="./delta.gif" alt="Start of change" />Cumulative program temporary fix (PTF)
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packages contain fixes for a given release of the <span class="keyword">i5/OS™</span> operating
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system. The fixes contained in a cumulative PTF package are for the <span class="keyword">Licensed Internal Code</span> and most licensed programs
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that can be installed on that operating system release.<img src="./deltaend.gif" alt="End of change" /></span></p>
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<p>As the name implies, each package is cumulative; that is, it contains all
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of the fixes from the previous package plus additional fixes released since
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the previous package. Many, but not all, new fixes are included in cumulative
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packages. The fixes that are not included are typically applicable only to
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a specific user's situation or application. These fixes are not included for
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general availability to avoid introducing unwanted change and potential programming
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errors into a cumulative package where code quality has the highest priority.
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When you order the cumulative PTF package, you also receive the most recent
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database PTF group and the HIPER PTF group.</p>
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<p>How often a cumulative package is available depends on the stage of the <span class="keyword">i5/OS</span> release life cycle. During
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the first six months or so of general availability for a new release, a cumulative
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package can be available as often as every four to six weeks. After that time,
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cumulative packages are scheduled on a quarterly basis. After the <span class="keyword">i5/OS</span> release has been available
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for a period of time, the frequency might decrease again. The frequency of
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availability depends on the number of new fixes to be added to the package.</p>
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<p><img src="./delta.gif" alt="Start of change" />You should install cumulative PTF packages quarterly in dynamic
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environments and less frequently in stable ones. Also consider installing
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cumulative fix packages before making major hardware or software changes to
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your environment.<img src="./deltaend.gif" alt="End of change" /></p>
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<div class="familylinks">
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<div class="parentlink"><strong>Parent topic:</strong> <a href="rzam8fixtypes1.htm" title="IBM provides you with a variety of fixes: cumulative program temporary fix (PTF) packages, fix groups, High Impact PERvasive (HIPER) fixes, and others.">Types of fixes</a></div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzam8fixinstallcum.htm" title="This topic describes the steps for installing a cumulative PTF package from a physical or virtual device.">Install cumulative PTF packages</a></div>
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