77 lines
5.3 KiB
HTML
77 lines
5.3 KiB
HTML
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<?xml version="1.0" encoding="UTF-8"?>
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<!DOCTYPE html
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PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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<html lang="en-us" xml:lang="en-us">
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Considerations for restoring objects saved with SAVSTG" />
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<meta name="abstract" content="If you restore a system from Save Storage (SAVSTG) media, the primary remote journal function concerns have to do with configuration changes involving additionally defined remote journals." />
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<meta name="description" content="If you restore a system from Save Storage (SAVSTG) media, the primary remote journal function concerns have to do with configuration changes involving additionally defined remote journals." />
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<meta name="DC.Relation" scheme="URI" content="rzakisaverestre.htm" />
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<meta name="DC.Relation" scheme="URI" content="../cl/savstg.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzakirsavconsidrcv.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2004, 2006" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Considerations for restoring objects saved with SAVSTG</title>
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</head>
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<body id="rzakirsavstg"><a name="rzakirsavstg"><!-- --></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">Considerations for restoring objects saved with SAVSTG</h1>
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<div><p>If you restore a system from Save Storage (SAVSTG) media, the primary
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remote journal function concerns have to do with configuration changes involving
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additionally defined remote journals.</p>
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<p>These remote journals were established after the SAVSTG media was produced.
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If a primary system is restored from SAVSTG media, journal receivers can be
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restored back to the primary system from versions saved from any of the associated
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remote journals in the remote journal environment. If a backup system is restored
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from SAVSTG media, then the catch-up phase for activating the remote journal
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can replicate all necessary journal receivers that are still online from the
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primary system to the restored backup system. Those journal receivers that
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are not online, and were attached to a *TYPE1 remote journal, can be restored
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back to the backup system. They can be restored from any saved versions of
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the journal receivers that were previously taken from one of the following:</p>
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<ul><li>The primary system</li>
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<li>Any of the associated remote journals in the remote journal environment</li>
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</ul>
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<p>See the Rules for saving and restoring journal receivers link below for
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the journal receiver restore rules which is typically used for this type of
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restore.</p>
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<p>Another consideration occurs as part of the processing that is performed
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by the system when restoring journal receivers. Before associating a journal
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receiver with a local journal and retaining any remote journal information,
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the journal library name, and the system name or the independent disk pool
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name must be correct. This allows the system to differentiate between a local
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journal that was originally created and one that was restored to a different
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physical system using SAVSTG media. This case assumes that the user assigns
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a new system name as part of the SAVSTG procedure.</p>
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<p><img src="./delta.gif" alt="Start of change" />In one example case, the system was restored using
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SAVSTG media but was not restored to the same physical system. However, the
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restored system still had the same name as the system from where the media
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was produced. This situation can cause problems and should be avoided.<img src="./deltaend.gif" alt="End of change" /></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="rzakisaverestre.htm" title="The following information describes general considerations for save and restore operations with remote journals:">Considerations for save and restore operations with remote journals</a></div>
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</div>
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<div class="reltasks"><strong>Related tasks</strong><br />
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<div><a href="rzakirsavconsidrcv.htm" title="The restore relationships for journal receivers associated with remote journals are described in this topic.">Rules for saving and restoring journal receivers</a></div>
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</div>
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<div class="relref"><strong>Related reference</strong><br />
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<div><a href="../cl/savstg.htm">Save Storage (SAVSTG) command</a></div>
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</div>
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</div>
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</body>
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</html>
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