70 lines
4.8 KiB
HTML
70 lines
4.8 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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<head>
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Reducing save-outage time: Overview" />
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<meta name="abstract" content="This information tells you what happens when you use the save-while-active function to reduce your save-outage time." />
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<meta name="description" content="This information tells you what happens when you use the save-while-active function to reduce your save-outage time." />
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<meta name="DC.Relation" scheme="URI" content="rzaiurzaiu300.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaiurzaiu344.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaiurzaiu311.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2004, 2006" />
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<meta name="DC.Rights.Owner" 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="./ibmdita.css" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Reducing save-outage time: Overview </title>
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</head>
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<body id="rzaiu312"><a name="rzaiu312"><!-- --></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">Reducing save-outage time: Overview </h1>
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<div><p>This information tells you what happens when you use the save-while-active
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function to reduce your save-outage time.</p>
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<p>Reducing your save-outage time is the recommended way to use
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the save-while-active function. To reduce your save-outage time, you can end
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the applications that make changes to the objects you are saving. You can
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restart the applications when the server has established a checkpoint for
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application-dependent objects.</p>
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<p>An application-dependent object is any object that applications use and
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update. By using the save-while-active to reduce your save-outage time, you
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will have to perform no additional recovery procedures when you restore the
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objects.</p>
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<div class="p">You can specify to have the server send you a message when it has completed
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checkpoint processing of the following: <ul><li>For all objects within a particular library</li>
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<li>For all libraries in the save request</li>
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</ul>
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You can start the applications again when all application-dependent
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objects have reached a checkpoint. The checkpoint images of the objects that
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you save then appear as if you performed a dedicated save during the time
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the applications were ended.</div>
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<p>If you are saving objects from multiple libraries and a common application-dependency
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that spans the libraries exists, do not restart the applications right away.
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You should wait until checkpoint processing has completed for all the libraries
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in the save request. When the checkpoint processing has completed for all
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the libraries, you can then restart the applications.</p>
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<p>This method can substantially reduce your save-outage time, even though
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it does not eliminate it.</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="rzaiurzaiu300.htm" title="The save-while-active function allows you to use your server during all or part of the save process, that is, save your server while it is active.">Save your server while it is active</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="rzaiurzaiu344.htm" title="Use the save-while-active function to reduce your save-outage time. This is the easiest way to use the save-while-active function.">Reduce your save-outage time</a></div>
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<div><a href="rzaiurzaiu311.htm" title="How your save-while-active function fits into your backup and recovery strategy depends on whether you will reduce or eliminate your save-outage time. These pages contain information to help you decide how you will use the save-while-active function. It also contains pages with technical descriptions of the save-while-active function.">Save-while-active and your backup and recovery strategy</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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