62 lines
4.1 KiB
HTML
62 lines
4.1 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="reference" />
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<meta name="DC.Title" content="Unmount an integrated file system user-defined file system" />
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<meta name="abstract" content="The unmount command makes the contents of a user-defined file system (UDFS) inaccessible to the integrated file system interfaces." />
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<meta name="description" content="The unmount command makes the contents of a user-defined file system (UDFS) inaccessible to the integrated file system interfaces." />
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<meta name="DC.Relation" scheme="URI" content="rzaaxudfsfs.htm" />
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<meta name="DC.Relation" scheme="URI" content="../cl/rmvmfs.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1999, 2006" />
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<meta name="DC.Rights.Owner" content="(C) Copyright IBM Corporation 1999, 2006" />
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<meta name="DC.Format" content="XHTML" />
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<meta name="DC.Identifier" content="rzaaxunudfs" />
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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>Unmount an integrated file system user-defined file system</title>
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</head>
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<body id="rzaaxunudfs"><a name="rzaaxunudfs"><!-- --></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">Unmount an integrated file system user-defined file system</h1>
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<div><p><span>The unmount command makes the contents
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of a user-defined file system (UDFS) inaccessible to the integrated file system
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interfaces.</span></p>
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<div class="section"><p>The objects in a UDFS will not be individually accessible once
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the UDFS is unmounted. The <span class="cmdname">Remove Mounted File System (RMVMFS)</span> or <span class="cmdname">UNMOUNT</span> commands
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will make a mounted file system inaccessible to the integrated file system
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namespace. If any of the objects in the file system is in use
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(for example, a file is opened) at the time of using the command, you will
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receive an error message. The UDFS will remain mounted. If you have mounted
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over any part of the UDFS, then this UDFS cannot be unmounted until it is
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uncovered.</p>
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</div>
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<div class="section"><p>For example, you mount a UDFS <samp class="codeph">/dev/qasp02/jenn.udfs</samp> over <samp class="codeph">/home/judy</samp> in
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the integrated file system namespace. If you then mount another file system <samp class="codeph">/pubs</samp> over <samp class="codeph">/home/judy</samp>,
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then the contents of <samp class="codeph">jenn.udfs</samp> will become inaccessible.
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Furthermore, you cannot unmount <samp class="codeph">jenn.udfs</samp> until you unmount
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the second file system from <samp class="codeph">/home/judy</samp>.</p>
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</div>
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<div class="section"> <div class="note"><span class="notetitle">Note:</span> A UDFS on an independent ASP cannot be mounted over.</div>
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</div>
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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="rzaaxudfsfs.htm" title="The user-defined file systems (UDFSs) reside on the auxiliary storage pool (ASP) or independent auxiliary storage pool (ASP) of your choice. You create and manage these file systems.">User-defined file systems (UDFSs)</a></div>
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</div>
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<div class="relinfo"><strong>Related information</strong><br />
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<div><a href="../cl/rmvmfs.htm">Remove Mounted File System (RMVMFS) 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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