147 lines
9.2 KiB
HTML
147 lines
9.2 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 http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' />
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<meta name="DC.Type" content="concept" />
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<meta name="DC.Title" content="ISO/ANSI standard volume label (VOL1)" />
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<meta name="abstract" content="The ISO/ANSI standard volume label (VOL1) is 80 characters in length. The program uses the label to identify the tape volume, tape volume owner, and security of the tape volume's contents. It is always the first block of data on the tape volume if the tape is a standard labeled tape." />
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<meta name="description" content="The ISO/ANSI standard volume label (VOL1) is 80 characters in length. The program uses the label to identify the tape volume, tape volume owner, and security of the tape volume's contents. It is always the first block of data on the tape volume if the tape is a standard labeled tape." />
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<meta name="DC.Relation" scheme="URI" content="volum.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.Language" content="en-us" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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<!-- US Government Users Restricted Rights -->
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<!-- Use, duplication or disclosure restricted by -->
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<!-- GSA ADP Schedule Contract with IBM Corp. -->
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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>ISO/ANSI standard volume label (VOL1)</title>
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</head>
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<body id="avold"><a name="avold"><!-- --></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">ISO/ANSI standard volume label (VOL1)</h1>
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<div><p>The ISO/ANSI standard volume label (VOL1) is 80 characters in length.
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The program uses the label to identify the tape volume, tape volume owner,
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and security of the tape volume's contents. It is always the first block of
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data on the tape volume if the tape is a standard labeled tape. </p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" width="100%" frame="hsides" border="0" rules="none"><caption>Table 1. Format of the ISO/ANSI Standard
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Volume Label (VOL1), Version 3</caption><thead align="left"><tr><th align="left" valign="top" width="9.945750452079565%" id="d0e23">Offset</th>
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<th align="left" valign="top" width="14.466546112115733%" id="d0e25">Data type</th>
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<th align="left" valign="top" width="10.30741410488246%" id="d0e27">Length</th>
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<th align="left" valign="top" width="45.02712477396022%" id="d0e29">Contents</th>
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<th align="left" valign="top" width="20.253164556962027%" id="d0e31">File Type</th>
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</tr>
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</thead>
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<tbody><tr><td align="left" valign="top" width="9.945750452079565%" headers="d0e23 ">0</td>
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<td align="left" valign="top" width="14.466546112115733%" headers="d0e25 ">Character</td>
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<td align="left" valign="top" width="10.30741410488246%" headers="d0e27 ">3</td>
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<td align="left" valign="top" width="45.02712477396022%" headers="d0e29 ">Label identifier</td>
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<td valign="top" width="20.253164556962027%" headers="d0e31 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="9.945750452079565%" headers="d0e23 ">3</td>
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<td align="left" valign="top" width="14.466546112115733%" headers="d0e25 ">Character</td>
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<td align="left" valign="top" width="10.30741410488246%" headers="d0e27 ">1</td>
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<td align="left" valign="top" width="45.02712477396022%" headers="d0e29 ">Label number</td>
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<td valign="top" width="20.253164556962027%" headers="d0e31 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="9.945750452079565%" headers="d0e23 ">4</td>
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<td align="left" valign="top" width="14.466546112115733%" headers="d0e25 ">Character</td>
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<td align="left" valign="top" width="10.30741410488246%" headers="d0e27 ">6</td>
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<td align="left" valign="top" width="45.02712477396022%" headers="d0e29 ">Volume identifier (Volume Serial Number)</td>
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<td valign="top" width="20.253164556962027%" headers="d0e31 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="9.945750452079565%" headers="d0e23 ">10</td>
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<td align="left" valign="top" width="14.466546112115733%" headers="d0e25 ">Character</td>
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<td align="left" valign="top" width="10.30741410488246%" headers="d0e27 ">1</td>
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<td align="left" valign="top" width="45.02712477396022%" headers="d0e29 ">Accessibility</td>
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<td valign="top" width="20.253164556962027%" headers="d0e31 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="9.945750452079565%" headers="d0e23 ">11</td>
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<td align="left" valign="top" width="14.466546112115733%" headers="d0e25 ">Character</td>
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<td align="left" valign="top" width="10.30741410488246%" headers="d0e27 ">26</td>
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<td align="left" valign="top" width="45.02712477396022%" headers="d0e29 ">Reserved</td>
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<td valign="top" width="20.253164556962027%" headers="d0e31 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="9.945750452079565%" headers="d0e23 ">37</td>
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<td align="left" valign="top" width="14.466546112115733%" headers="d0e25 ">Character</td>
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<td align="left" valign="top" width="10.30741410488246%" headers="d0e27 ">14</td>
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<td align="left" valign="top" width="45.02712477396022%" headers="d0e29 ">Owner Identifier</td>
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<td valign="top" width="20.253164556962027%" headers="d0e31 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="9.945750452079565%" headers="d0e23 ">51</td>
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<td align="left" valign="top" width="14.466546112115733%" headers="d0e25 ">Character</td>
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<td align="left" valign="top" width="10.30741410488246%" headers="d0e27 ">28</td>
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<td align="left" valign="top" width="45.02712477396022%" headers="d0e29 ">Reserved</td>
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<td valign="top" width="20.253164556962027%" headers="d0e31 "> </td>
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</tr>
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<tr><td align="left" valign="top" width="9.945750452079565%" headers="d0e23 ">79</td>
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<td align="left" valign="top" width="14.466546112115733%" headers="d0e25 ">Character</td>
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<td align="left" valign="top" width="10.30741410488246%" headers="d0e27 ">1</td>
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<td align="left" valign="top" width="45.02712477396022%" headers="d0e29 ">Label Standard Level</td>
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<td valign="top" width="20.253164556962027%" headers="d0e31 "> </td>
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</tr>
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</tbody>
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</table>
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</div>
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<p>The field definition follows the industry standards as understood and interpreted
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by IBM<sup>®</sup>:
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(<span class="keyword">i5/OS™</span> supports
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for input only):</p>
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<ul><li>ANSI X3.27-1978, level 4</li>
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<li>ISO 1001-1979, level 4</li>
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</ul>
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<p>The system records the volume label in ASCII.</p>
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<p>The program describes the contents and function of each of the fields below.
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This version of the ISO/ANSI standard is Version 3.</p>
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<ul><li>Label identifier <p>The characters VOL identify this label as a volume
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label. The system reads this field to verify that a standard labeled tape
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is mounted, and that this label is a volume label. When you use the initialized
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tape (INZTAP) command and specify the new volume (NEWVOL) parameter, the system
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writes this field to the tape.</p>
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</li>
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<li>Label number <p>The relative position of this label within the set of
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labels of the same type. The Label number is always 1 for the Version 3 volume
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label.</p>
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</li>
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<li>Volume identifier <p>A unique identification code to identify the logical
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tape volume. The system writes the value specified for the new volume (NEWVOL)
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parameter on the Initialize Tape (INZTAP) command in this position. For media
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library devices, the logical volume identifier should match the external bar
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code identifier on the cartridges. The value may be from 1 to 6 alphanumeric
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characters (left-aligned and padded with blanks if less than 6). The alphanumeric
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character set includes A-Z, 0-9, @, $, and #. If the program specifies a value
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for a command in the VOL parameter, the system verifies that this field matches
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the specified value.</p>
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</li>
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<li>Accessibility <p>The system considers the volume secure (from processing)
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if the volume security field is a blank. A program with *SECOFR authority
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can process secured volumes.</p>
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</li>
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<li>Owner Identifier <p>The owner identifier of the tape volume. The system
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writes a value to this field through the OWNER parameter on the Initialize
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Tape (INZTAP) command. You use the field to write the owner identifier of
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the volume or to write information about the contents of the volume. If the
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identifier is less than 14 bytes, the system justifies the value and pads
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it with blanks.</p>
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</li>
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<li>Label Standard Level <p>Identifies the version of ISO/ANSI standards.
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For Version 3, the program places a 3 in this field.</p>
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</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="volum.htm" title="This topic describes the volume labels used in the open feedback area.">Volume label fields</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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