82 lines
5.7 KiB
HTML
82 lines
5.7 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="DC.Type" content="task" />
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<meta name="DC.Title" content="Change Domain Name System debug settings" />
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<meta name="abstract" content="The Domain Name System (DNS) debug function can provide information that can help you determine and correct DNS server problems." />
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<meta name="description" content="The Domain Name System (DNS) debug function can provide information that can help you determine and correct DNS server problems." />
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<meta name="copyright" content="(C) Copyright IBM Corporation 2004, 2006" />
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<link rel="stylesheet" type="text/css" href="./ic.css" />
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<title>Change Domain Name System debug settings</title>
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</head>
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<body id="rzakktroubleshootingdebug"><a name="rzakktroubleshootingdebug"><!-- --></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">Change Domain Name System debug settings</h1>
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<div><p>The Domain Name System (DNS) debug function can provide information
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that can help you determine and correct DNS server problems.</p>
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<div class="section"><p>DNS offers 12 levels of debug control. Logging usually provides
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an easier method of finding problems, but in some cases debugging might be
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necessary. Under normal conditions, debugging is turned off (value = 0). It
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is recommended that you first use logging to attempt to correct problems.</p>
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<p>Valid
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debug levels are 0 through 11. Your IBM<sup>®</sup> service representative can help you
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determine the appropriate debug value for diagnosing your DNS problem. Values
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of 1 or higher write debug information to the NAMED.RUN file in your iSeries™ directory
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path: <span class="uicontrol">Integrated File System/Root/QIBM/UserData/OS400/DNS/<server
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instance></span>, where "<server instance>" is the name of the
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DNS server instance. The NAMED.RUN file continues to grow as long as the debug
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level is set to 1 or higher, and the DNS server continues to run. It is recommended
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that you delete the file from time to time to keep it from taking up too much
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disk space. You can also use the <span class="uicontrol">Server Properties</span> - <span class="uicontrol">Channels</span> page
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to specify preferences for maximum size and number of versions of the NAMED.RUN
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file.</p>
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<p>To change the debug value for a DNS server instance, follow these
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steps:</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">your iSeries server</span> > <span class="uicontrol">Network</span> > <span class="uicontrol">Servers</span> > <span class="uicontrol">DNS</span></span>.</span></li>
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<li class="stepexpand"><span>In the right pane, right-click <span class="uicontrol">your DNS server</span> and
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select <span class="uicontrol">Configuration</span>.</span></li>
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<li class="stepexpand"><span>In the DNS configuration window, right-click the DNS server and
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select <span class="uicontrol">Properties</span>.</span></li>
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<li class="stepexpand"><span>On the Server Properties - General page, specify the server startup
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debug level.</span></li>
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<li class="stepexpand"><span>If the server is running, stop and restart the server.</span> <div class="note"><span class="notetitle">Note:</span> Changes
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to the debug level do not take effect while the server is running. The debug
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level set here will be used the next time the server is fully restarted. If
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you need to change the debug level while the server is running, see Advanced
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DNS features.</div>
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</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="rzakktroubleshooting.htm" title="This topic explains Domain Name System (DNS) logging and debugging settings that can help you resolve problems with your DNS server.">Troubleshoot Domain Name System</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="rzakkmanagingadvanced.htm" title="This topic explains how experienced administrators can use Domain Name System (DNS) advanced features to manage a DNS server more easily.">Advanced Domain Name System features</a></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="rzakktroubleshooting.htm" title="This topic explains Domain Name System (DNS) logging and debugging settings that can help you resolve problems with your DNS server.">Troubleshoot Domain Name System</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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