93 lines
7.4 KiB
HTML
93 lines
7.4 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 name="copyright" content="(C) Copyright IBM Corporation 2005" />
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<meta name="DC.rights.owner" content="(C) Copyright IBM Corporation 2005" />
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<meta name="DC.Type" content="reference" />
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<meta name="DC.Title" content="Resource Interval Report - Disk Utilization Detail" />
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<meta name="abstract" content="The Disk Utilization Detail section of the Resource interval report displays detailed disk information for the selected time intervals." />
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<meta name="description" content="The Disk Utilization Detail section of the Resource interval report displays detailed disk information for the selected time intervals." />
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<meta name="DC.Relation" scheme="URI" content="rzahxreportperftools.htm" />
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<meta name="DC.Format" content="XHTML" />
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<!-- All rights reserved. Licensed Materials Property of IBM -->
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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>Resource Interval Report - Disk Utilization Detail</title>
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</head>
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<body id="rzahxresourceex2"><a name="rzahxresourceex2"><!-- --></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">Resource Interval Report - Disk Utilization Detail</h1>
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<div><p>The Disk Utilization Detail section of the Resource interval report
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displays detailed disk information for the selected time intervals.</p>
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<div class="section"><p>Information is shown for each disk arm that is configured on the
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system. Consistent disk arm utilization at or above the threshold value affects
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system performance and causes longer response times or less throughput. </p>
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<div class="note"><span class="notetitle">Note:</span> <img src="./delta.gif" alt="Start of change" />A plus (+) sign displays next to the Unit column to
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identify multipath disk units. <img src="./deltaend.gif" alt="End of change" /></div>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><pre> Resource Interval Report 10/03/03 15:24:49
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Disk Utilization Detail Page 3
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Multipath disk data
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Member . . . : Q119115948 Model/Serial . : 840/10-3A6HM
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Main storage . . : 1024.0 GB Started . . . : 04/29/03 11:59:48
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Library . . : MPLIB System name . . : ABSYSTEM
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Version/Release . : 5/3.0 Stopped . . . : 04/30/03 00:00:00
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Partition ID : 001 Feature Code . : 23FE-2420-1546
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IOP Name/ ASP Rsc ASP Itv --------- I/O Per Second --------- K Per Dsk CPU Queue Avg Time Per I/O
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Unit (Model) Name Id End Total Reads Writes I/O Util Util Length Service Wait
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---- ----------------- ---------- --- ----- ---------- --------- --------- ------- ------- ----- ------- ------- -----
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+ 0004 CMB08 (2105) 5 12:15 .000 .000 .000 .0 11.4 .0 .00 .0000 .0000
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12:15 .000 .000 .000 .0 9.0 .0 .00 .0000 .0000
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12:15 .000 .000 .000 .0 21.0 .0 .00 .0000 .0000
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12:30 .000 .000 .000 .0 6.7 .0 .00 .0000 .0000
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12:30 .000 .000 .000 .0 6.7 .0 .00 .0000 .0000
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12:30 .000 .000 .000 .0 6.7 .0 .00 .0000 .0000
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12:45 .000 .000 .000 .0 9.0 .0 .00 .0000 .0000
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12:45 .000 .000 .000 .0 9.0 .0 .00 .0000 .0000
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12:45 .000 .000 .000 .0 6.6 .1 .00 .0000 .0000
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13:00 .000 .000 .000 .0 16.2 .0 .00 .0000 .0000
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13:00 .000 .000 .000 .0 13.8 .0 .00 .0000 .0000
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13:00 .000 .000 .000 .0 9.0 .1 .00 .0000 .0000
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13:15 .000 .000 .000 .0 11.4 .0 .00 .0000 .0000
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13:15 .000 .000 .000 .0 9.0 .0 .00 .0000 .0000
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13:15 .000 .000 .000 .0 6.6 .0 .00 .0000 .0000
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13:30 .000 .000 .000 .0 9.2 .0 .00 .0000 .0000
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13:30 .000 .000 .000 .0 6.8 .0 .00 .0000 .0000
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Unit -- Disk arm identifier
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IOP Name/ -- Input/Output processor resource name and
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(Model) model number of the attached device
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ASP Rsc Name -- ASP resource name to which the disk unit was
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allocated at collection time
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ASP ID -- Auxiliary storage pool number
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Itv End -- Interval end time (hour and minute)
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I/O /Sec -- Average number of I/O operations per second
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Reads Per Second -- Average number of reads per second
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Writes Per Sec -- Average number of writes per second
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K Per I/O -- Average number of kilobytes (1024) per I/O operation
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Dsk CPU Util -- Percentage of Disk CPU Utilization
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Util -- Average percent of time disk was used (busy)
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Queue Length -- Average length of waiting queue
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Average Service Time -- Average disk service time per I/O operation
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Average Wait Time -- Average disk wait time per I/O operation
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+ Multipath disk unit.</pre>
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</div>
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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="rzahxreportperftools.htm" title="Performance Tools reports provide information on data that has been collected over time. Use these reports to get additional information about the performance and use of system resources.">Performance Tools reports</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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