59 lines
3.8 KiB
HTML
59 lines
3.8 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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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="Avoid deadlocked files during save and restore operations with tape libraries" />
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<meta name="abstract" content="Tape automation uses special files located in the QUSRSYS library. If these files do not exist on the system, i5/OS supports a limited set of automation functions." />
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<meta name="description" content="Tape automation uses special files located in the QUSRSYS library. If these files do not exist on the system, i5/OS supports a limited set of automation functions." />
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<meta name="DC.Relation" scheme="URI" content="rzam4usetapelib.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzam4cartendofvol.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.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzam4restrictedstate" />
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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>Avoid deadlocked files during save and restore operations with tape
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libraries</title>
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</head>
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<body id="rzam4restrictedstate"><a name="rzam4restrictedstate"><!-- --></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">Avoid deadlocked files during save and restore operations with tape
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libraries</h1>
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<div><p>Tape automation uses special files located in the QUSRSYS library.
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If these files do not exist on the system, i5/OS™ supports a limited set of automation
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functions.</p>
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<p>For automation in the early stages of recovery scenarios, you can mount
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cartridges by specifying the cartridge identifiers in the VOL parameter of
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the i5/OS commands.
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However, this subset of automation does not support the use of the cartridge
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commands, such as Work with Tape Cartridges (WRKTAPCTG) or Display Tape Cartridge
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(DSPTAPCTG).</p>
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<p>During a save of the QUSRSYS library, the files that allow use of the WRKTAPCTG
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or DSPTAPCTG commands might be put in a restricted state and made unavailable
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for use. This can result in a deadlock and eventually end the save operation.
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To avoid this situation, the save of the QUSRSYS library must not cross a
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volume boundary. It must fit on the mounted volume. Alternatively, you can
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save the QUSRSYS library by using the save-while-active function.</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="rzam4usetapelib.htm" title="This topic provides usage and management information for tape libraries.">Use tape libraries</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="rzam4cartendofvol.htm" title="To be a fully automated solution without a tape management system, each volume that is needed must be specified on the command in the VOL parameter.">End of volume</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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