107 lines
6.7 KiB
HTML
107 lines
6.7 KiB
HTML
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<meta name="DC.Type" content="task" />
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<meta name="DC.Title" content="Prepare for virtual optical storage" />
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<meta name="abstract" content="This topic provides information about meeting the requirements for virtual tape storage and preparing to use it." />
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<meta name="description" content="This topic provides information about meeting the requirements for virtual tape storage and preparing to use it." />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2004, 2006" />
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<title>Prepare for virtual optical storage</title>
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</head>
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<body id="rzam4virtualprep"><a name="rzam4virtualprep"><!-- --></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">Prepare for virtual optical storage</h1>
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<div><p>This topic provides information about meeting the requirements
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for virtual tape storage and preparing to use it.</p>
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<div class="section"><p>To prepare to use virtual optical storage, you need to consider
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these items:</p>
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<ul><li>Whether you have the authority to create virtual images</li>
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<li>The amount of disk space available</li>
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<li>The number of volumes of virtual images you need</li>
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</ul>
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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> <img src="./delta.gif" alt="Start of change" /><a href="rzam4virtual.htm" title="When you use virtual optical storage, you create virtual CD or DVD images that exist on your server disk units.">Virtual optical storage</a><img src="./deltaend.gif" alt="End of change" /></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="../rzahc/rzahcswscleanup2.htm">Clean up disk storage space</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/wrkdsksts.htm">Work with Disk Status (WRKDSKSTS)</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="../books/sc415302.pdf" target="_blank">iSeries Security Reference</a></div>
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</div>
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</div><div class="nested1" xml:lang="en-us" id="howmuchdiskspacehave"><a name="howmuchdiskspacehave"><!-- --></a><h2 class="topictitle2">How much disk space you have</h2>
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<div><div class="section"><p>Because virtual images are stored on your disk units, they can
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quickly use disk space. It is essential that you determine whether you have
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enough disk space. The smallest allowable size for a optical image file volume
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is 48 MB. The largest allow able size is 16 GB.</p>
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<p>To determine how much
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disk space you have, do the following:</p>
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</div>
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<ol><li class="stepexpand"><span>In iSeries™ Navigator,
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expand <span class="menucascade"><span class="uicontrol">My Connections</span> > <span class="uicontrol">your iSeries
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server</span> > <span class="uicontrol">Configuration and Service</span> > <span class="uicontrol">Hardware</span> > <span class="uicontrol">Disk Units</span> > <span class="uicontrol">Disk Pools</span></span>.</span></li>
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<li class="stepexpand"><span>Right-click the disk pool you want to view, and select <span class="uicontrol">Properties</span>.</span></li>
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<li class="stepexpand"><span>Select the <span class="uicontrol">Capacity</span> page.</span> <p>The <span class="uicontrol">Capacity</span> page
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displays the used space, free space, total capacity, threshold, and percentage
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of disk space used for the disk pool.</p>
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<p>You can also use the Work with
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Disk Status (WRKDSKSTS) command to determine your free space.</p>
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</li>
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</ol>
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<div class="section"><p>If you need to clean up disk space, see Clean up disk storage space.</p>
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</div>
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</div>
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</div>
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<div class="nested1" xml:lang="en-us" id="thenumbervolvirtualimage"><a name="thenumbervolvirtualimage"><!-- --></a><h2 class="topictitle2">The number of volumes of virtual images you need</h2>
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<div><div class="section">To determine how many volumes you need, do the following:</div>
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<ol><li><span>Determine the how much data you are going to store.</span></li>
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<li><span>Determine the size of each virtual image. You can determine the
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size based on what you want to do with the optical image file. For example,
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if are going to copy the optical image files to a CD, the largest you can
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make the volumes is 650 MB.</span></li>
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<li><span>Divide the amount of data you are going to store by the size of
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your volumes. For example, if you plan to save 1 GB of data, and you want
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to copy your volumes to a CD, you need to create two volumes.</span></li>
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</ol>
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</div>
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</div>
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<div class="nested1" xml:lang="en-us" id="considfullbackup"><a name="considfullbackup"><!-- --></a><h2 class="topictitle2">Consideration for full backups</h2>
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<div><div class="section">If you are doing a full backup, the first volume must be at least
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1489 MB because the first volume must be large enough to store the Licensed
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Internal Code. The remaining volumes can be smaller than 1489 MB.</div>
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</div>
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</div>
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<div class="nested1" xml:lang="en-us" id="authoritycreatevirtualimages"><a name="authoritycreatevirtualimages"><!-- --></a><h2 class="topictitle2">Authority needed to create virtual images</h2>
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<div><div class="section">You must have security administrator (*SECADM) and all object (*ALLOBJ)
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special authorities to use the commands required to create virtual images.</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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