98 lines
5.8 KiB
HTML
98 lines
5.8 KiB
HTML
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<meta name="DC.Title" content="Performance system values: Communications arbiter jobs, at restart" />
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<meta name="abstract" content="Specifies the number of communications arbiter system jobs that are available to process work for controllers and devices. (QCMNARB)" />
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<title>Performance system values: Communications arbiter jobs, at restart</title>
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<body id="rzakzqcmnarb"><a name="rzakzqcmnarb"><!-- --></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">Performance system values: Communications arbiter jobs, at restart</h1>
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<div><p>Specifies the number of communications arbiter system jobs that
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are available to process work for controllers and devices. (QCMNARB)</p>
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<p><span class="uicontrol">Communications arbiter jobs, at restart</span>, also known
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as <span class="uicontrol">QCMNARB</span>, is a member of the performance category
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of i5/OS™ system
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values. You can use this system value to specify the number of communications
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arbiter system jobs that are available to process work for controllers and
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devices. To learn more, keep reading.</p>
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<div class="tablenoborder"><table cellpadding="4" cellspacing="0" summary="" frame="border" border="1" rules="all"><thead align="left"><tr><th colspan="2" valign="top" class="firstcol" id="d0e31">Quick reference</th>
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</tr>
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</thead>
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<tbody><tr><th valign="top" class="firstcol" id="d0e35" headers="d0e31 ">Location</th>
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<td valign="top" headers="d0e35 d0e31 ">In iSeries™ Navigator,
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select your system, <span class="menucascade"><span class="uicontrol"></span> > <span class="uicontrol">Configuration
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and Service</span> > <span class="uicontrol">System Values</span> > <span class="uicontrol">Performance</span> > <span class="uicontrol">Communications</span></span></td>
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</tr>
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<tr><th valign="top" class="firstcol" id="d0e53" headers="d0e31 ">Special authority</th>
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<td valign="top" headers="d0e53 d0e31 ">Job control (*JOBCTL)</td>
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</tr>
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<tr><th valign="top" class="firstcol" id="d0e58" headers="d0e31 ">Default value</th>
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<td valign="top" headers="d0e58 d0e31 ">System calculated</td>
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</tr>
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<tr><th valign="top" class="firstcol" id="d0e63" headers="d0e31 ">Changes take effect</th>
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<td valign="top" headers="d0e63 d0e31 ">At the next restart of the system</td>
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</tr>
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<tr><th valign="top" class="firstcol" id="d0e68" headers="d0e31 ">Lockable</th>
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<td valign="top" headers="d0e68 d0e31 ">No</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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<div class="section"><h4 class="sectiontitle">What can I do with this system value?</h4><p>Specifies
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the number of communications arbiter system jobs that are available to process
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work for controllers and devices. Work for controllers and devices includes
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input/output requests that are sent to devices and events related to making
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devices available for use.</p>
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<p>The following are possible options:</p>
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<ul><li><span class="uicontrol">0 (0)</span> <p>No communications arbiter jobs. The system
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arbiter (QSYSARB) and QLUS system jobs perform the work that the communications
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arbiter jobs normally do. This setting should only be used if IBM<sup>®</sup> service recommends
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it.</p>
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</li>
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<li><span class="uicontrol">1-99 (1-99)</span> <p>Indicates the number of communication
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arbiter system jobs that are started.</p>
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</li>
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<li><span class="uicontrol">System calculated (*CALC)</span> <p>The system computes
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the number of communication arbiter system jobs. This is the recommended setting.</p>
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</li>
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</ul>
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</div>
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<div class="section"><h4 class="sectiontitle">Where can I get more information about this system value?</h4><p>To
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learn more, go to the performance system values overview topic. If you are
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looking for a specific system value or category of system values, try using
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the i5/OS system
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value finder.</p>
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</div>
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</div>
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<div><div class="relconcepts"><strong>Related concepts</strong><br />
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<div><a href="rzakzperformanceoverview.htm" title="Use i5/OS performance system values to view and change priority, performance adjustments, and processing values for the system.">System values: Performance overview</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="rzakzfinder.htm">System value finder</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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