86 lines
5.2 KiB
HTML
86 lines
5.2 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 http-equiv="Content-Type" content="text/html; charset=utf-8" />
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Save changed objects in directories" />
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<meta name="DC.Relation" scheme="URI" content="rzaiurzaiu125.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzaiurzaiu129.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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<meta name="DC.Identifier" content="rzaiu153" />
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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>Save changed objects in directories</title>
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</head>
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<body id="rzaiu153"><a name="rzaiu153"><!-- --></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">Save changed objects in directories</h1>
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<div><p>You can use the change period (CHGPERIOD) parameter on the Save (SAV) command
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to save objects that changed since a specified time, objects that last changed
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during a specific time period, or objects that were changed since they were
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last saved.</p>
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<p>If you specify <samp class="codeph">CHGPERIOD(*LASTSAVE)</samp>, you get any object
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that changed since <span class="uicontrol">any</span> save operation you performed
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for that object with UPDHST(*YES) specified. If you use this method several
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times during a week, the resulting media will look like <a href="rzaiurzaiu127.htm#rzaiu127__savchg1">Table 2</a>.</p>
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<p>To perform a save operation that includes all objects that changed since
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the last complete save of a directory (similar to what is shown in <a href="rzaiurzaiu127.htm#rzaiu127__savchg">Table 1</a>),
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do one of the following: </p>
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<ul><li>Specify a date and time for the CHGPERIOD parameter.</li>
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<li>Specify UPDHST(*YES) for a complete save operation. Specify UPDHST(*NO)
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and CHGPERIOD(*LASTSAVE) when you save changed objects.</li>
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</ul>
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<p>You can also use the SAV command to save objects that have <span class="uicontrol">not</span> changed
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since a particular time by specifying <samp class="codeph">CHGPERIOD(*ALL *ALL date time)</samp>.
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This might be useful to archive old information before you remove it.</p>
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<p>The server keeps a record of when it last changed the object. It also records
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whether it changed the object since the last save or not. The server does
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not store data for when it last saved the object. </p>
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<div class="p">Select option 8 on the Work With Object Links (WRKLNK) display to view
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the attributes that describe whether an object in a directory changed since
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you last saved it. <div class="note"><span class="notetitle">Note:</span> If you use the operating system of a
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client workstation to save an object, the PC archive indicator will be set
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to 'No'. Since file systems accessed through the network server do not distinguish
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between save operations, the server archive indicator for those file systems
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will always match the PC archive indicator. Therefore, changed objects in
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the file systems accessed through the network server that have been saved
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by a client workstation save operation will not be saved by a save operation
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until they have been changed again.</div>
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</div>
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<p>The UPDHST parameter value controls updating of the server save history
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and PC save history: </p>
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<ul><li>*NO - The server does not update the save history. The PC archive attribute
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and the server archive attribute do not change.</li>
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<li>*YES - The server updates the save history. For file systems that you
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access through the network server, the PC archive attribute is set to 'No'.
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For other file systems, the server archive attribute is set to 'No'.</li>
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<li>*SYS - The system updates the system save history. The server archive
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attribute is set to 'No'.</li>
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<li>*PC - The system updates the PC save history. The PC archive attribute
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is set to 'No'.</li>
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</ul>
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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="rzaiurzaiu125.htm">Save only changed objects</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="rzaiurzaiu129.htm">How the server updates changed object information with the SAVCHGOBJ command</a></div>
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<div><a href="rzaiurzaiu150.htm">Using the Save (SAV) 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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