67 lines
4.9 KiB
HTML
67 lines
4.9 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="Handling uninterruptible power supply conditions when no power-handling program exists" />
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<meta name="abstract" content="Use this topic to learn about considerations when you are not a power-handling program to handle controlled system shutdown." />
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<meta name="description" content="Use this topic to learn about considerations when you are not a power-handling program to handle controlled system shutdown." />
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<meta name="DC.Relation" scheme="URI" content="rzahrmsgqco.htm" />
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<meta name="copyright" content="(C) Copyright IBM Corporation 1998, 2006" />
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<link rel="stylesheet" type="text/css" href="./ibmdita.css" />
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<title>Handling uninterruptible power supply conditions when no power-handling
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program exists</title>
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</head>
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<body id="rzahrnopgmco"><a name="rzahrnopgmco"><!-- --></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">Handling uninterruptible power supply conditions when no power-handling
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program exists</h1>
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<div><p>Use this topic to learn about considerations when you are not a
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power-handling program to handle controlled system shutdown.</p>
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<p>You can specify that you do not have a power handling program by using
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the default for the QUPSMSGQ, which is QSYSOPR. When you use the default,
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the system sends all power-related messages to QSYSOPR. You should set the
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QUPSDLYTIM to something other than *NOMAX.</p>
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<p>Normally, you do not supply power to the workstation devices. When utility
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power is interrupted, the system remains active, but the workstation jobs
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typically end abnormally. If utility power is restored while the system is operating
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on the uninterruptible power supply, the system remains active and the work
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station jobs can be restarted.</p>
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<p>If the QUPSDLYTIM timer ends or the weak battery signal occurs, the system
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saves main storage and powers down. Select a value for QUPSDLYTIM that is
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appropriate for your uninterruptible power supply and your system size.</p>
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<p>If the system is powered down while on uninterruptible power supply, the
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QPWRRSTIPL determines whether an IPL is performed when utility power is restored.
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The default is to not perform the IPL.</p>
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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="rzahrconcepts.htm" title="Before you use a power-handling program to control system shutdown, you may want to familiarize yourself with related concepts.">Controlled shutdown concepts</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="rzahrphpgmco.htm" title="System software support is essentially the same for both the battery feature and the uninterruptible power supply attachment.">Enabling a power-handling program to control system activity during a power interruption</a></div>
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<div><a href="rzahrmsgqco.htm" title="The Uninterruptible Power Supply Message Queue (QUPSMSGQ) system value determines which message queues the power supply messages are sent to.">Uninterruptible Power Supply Message queue system value (QUPSMSGQ)</a></div>
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<div><a href="rzahrdlytimco.htm" title="QUPSDLYTIM is the system value for the Uninterruptible power supply delay timer.">Uninterruptible power supply delay time system value (QUPSDLYTIM)</a></div>
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<div><a href="rzahrpwrrstco.htm" title="This value controls what happens if the system ends when utility power is interrupted and then restored at a later time.">Power restore IPL system value (QPWRRSTIPL)</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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