77 lines
4.5 KiB
HTML
77 lines
4.5 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="copyright" content="(C) Copyright IBM Corporation 2005" />
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<meta name="DC.Type" content="task" />
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<meta name="DC.Title" content="Formatting tape media for use by Linux" />
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<meta name="abstract" content="This topic discusses how to format tape media." />
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<meta name="description" content="This topic discusses how to format tape media." />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Formatting tape media for use by Linux</title>
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</head>
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<body id="rzau9formattap"><a name="rzau9formattap"><!-- --></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">Formatting tape media for use by Linux</h1>
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<div><p>This topic discusses how to format tape media.</p>
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<div class="section"><p>The tape media formats used by <span class="keyword">i5/OS™</span> and Linux<sup>®</sup> are
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mutually exclusive; <span class="keyword">i5/OS</span> uses
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labels, Linux requires
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a non-labelled tape. Therefore <span class="keyword">i5/OS</span> and Linux servers
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cannot share the same tape media.</p>
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<div class="note"><span class="notetitle">Note:</span> All new tapes must be initially
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formatted using the Initialize Tape (INZTAP) CL command. After the tape has
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been formatted using INZTAP, additional formatting can be done by Linux, if required.</div>
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<p>From
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an <span class="keyword">i5/OS</span> command line,
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enter the Initialize Tape (INZTAP) CL command: </p>
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<pre>INZTAP DEV(TAP01) NEWVOL(*NONE) NEWOWNID(*BLANK) VOL(*MOUNTED) CHECK(*NO) DENSITY(*DEVTYPE) CODE(*EBCDIC)</pre>
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<p>TAP01 is the name of the tape device. Yours might be different. </p>
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<p>DENSITY(*DEVTYPE)
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gives the best performance; however, if you receive an error with this setting
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when trying to initialize the tape cartridge, try using DENSITY(*CTGTYPE).
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If you still receive an error, the tape cartridge is incompatible with your
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tape drive. </p>
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<p>This command produces a non-labelled tape that can be used
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by Linux backup
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applications. Note that if tapes are used that are not of the default density
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for the drive (consult your drive's documentation), you need to reset the
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tape density after the iSeries™ partition has been restarted. </p>
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<p>To reset
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the tape density after an iSeries partition has been restarted, complete the
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following steps:</p>
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</div>
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<ol><li class="stepexpand"><span>Put a spare tape in the drive. Note that the next step erases all
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the data on the tape.</span></li>
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<li class="stepexpand"><span>Issue the following command: </span> <pre>INZTAP DEV(tape-device-name) CHECK(*NO) Density(*CTGTYPE).</pre>
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</li>
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<li class="stepexpand"><span>You can now switch the blank tape with the tape that you want to
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use for Linux backups.
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Backup applications should now work normally. Failure to initialize a blank
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tape of the correct density can have unanticipated results. If you regularly
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switch tape densities you might need to repeat the above steps
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more often than just after an IPL.</span></li>
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</ol>
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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="rzau9linuxbackup.htm" title="This topic introduces the techniques you can use to perform Linux-centric backup and recovery on an Integrated xSeries Server or Integrated xSeries Adapter running Linux.">Linux-centric backup and recovery</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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