79 lines
5.0 KiB
HTML
79 lines
5.0 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="concept" />
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<meta name="DC.Title" content="Changing optical environment parameters" />
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<meta name="abstract" content="The Change Optical Attributes (CHGOPTA) command can be used to change specific optical configuration parameters that affect all jobs using the optical file system." />
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<meta name="description" content="The Change Optical Attributes (CHGOPTA) command can be used to change specific optical configuration parameters that affect all jobs using the optical file system." />
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<meta name="DC.Relation" scheme="URI" content="rzam4useoptvols.htm" />
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<meta name="DC.Relation" scheme="URI" content="rzam4recovheldoptfil.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="rzam4chgoptenvpar" />
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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>Changing optical environment parameters</title>
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</head>
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<body id="rzam4chgoptenvpar"><a name="rzam4chgoptenvpar"><!-- --></a>
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<img src="./delta.gif" alt="Start of change" /><!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script>
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<h1 class="topictitle1">Changing optical environment parameters</h1>
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<div><p>The Change Optical Attributes (CHGOPTA) command can be used to
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change specific optical configuration parameters that affect all jobs using
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the optical file system.</p>
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<p>The following parameters can be set according to your desired configuration.</p>
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<dl><dt class="dlterm">Copy attributes</dt>
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<dd>Specifies whether to copy the file attributes of the source file when
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copying or moving files between the QDLS and the QOPT file systems using the <span class="apiname">HFS
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Copy</span> or <span class="apiname">Move Stream File</span> APIs. This parameter
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is ignored when copying or moving files within the optical file system and
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is not valid for LAN-attached optical libraries. This value should be set
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to *NO when applications do not require the file attributes to be maintained
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when copying between the QOPT and QDLS file systems. Using this option improves
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the performance of move and copy operations and reduces the optical storage
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requirements when writing to an optical disk.</dd>
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</dl>
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<dl><dt class="dlterm">Held file attribute</dt>
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<dd>Specifies whether held optical file support is enabled or disabled for
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the /QOPT file system. When held optical file support is disabled it is up
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to the user to ensure that correct recovery procedures are followed when there
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is a close file error condition.</dd>
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</dl>
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<dl><dt class="dlterm">Allow variant characters</dt>
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<dd>Indicates whether or not variant characters can be specified for path
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names when accessing files on optical volumes in universal disk format (UDF)
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through the hierarchical file system (HFS) interfaces. This parameter does
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not affect access to optical volumes formatted in High Performance Optical
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File System (HPOFS) or ISO 9660 formats. It also has no effect on integrated
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file system interfaces for all optical media formats.</dd>
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</dl>
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<dl><dt class="dlterm">Support extended media formats</dt>
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<dd>Indicates which media format to use when a media is added to an optical
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device. Some media have both a primary and extended media format. For instance,
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a UDF-Bridge Disk has ISO 9660 as the basic format and UDF as the extended
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format. Rock Ridge alternate name structures is another format that is supported.
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With this parameter, you can choose which format is to be used when a media
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is added to a device.</dd>
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</dl>
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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="rzam4useoptvols.htm" title="These topics describe the Work with Optical Volumes options on the Optical Support Utilities main menu.">Use optical volumes</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="rzam4recovheldoptfil.htm" title="A held optical file is an optical file that could not be closed normally.">Recover held optical files</a></div>
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</div>
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</div>
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<img src="./deltaend.gif" alt="End of change" /></body>
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</html>
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