<?xml version="1.0" encoding="UTF-8"?> <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html lang="en-us" xml:lang="en-us"> <head> <meta http-equiv="Content-Type" content="text/html; charset=utf-8" /> <meta name="copyright" content="(C) Copyright IBM Corporation 2005" /> <meta name="DC.rights.owner" content="(C) Copyright IBM Corporation 2005" /> <meta name="security" content="public" /> <meta name="Robots" content="index,follow" /> <meta http-equiv="PICS-Label" content='(PICS-1.1 "http://www.icra.org/ratingsv02.html" l gen true r (cz 1 lz 1 nz 1 oz 1 vz 1) "http://www.rsac.org/ratingsv01.html" l gen true r (n 0 s 0 v 0 l 0) "http://www.classify.org/safesurf/" l gen true r (SS~~000 1))' /> <meta name="DC.Type" content="concept" /> <meta name="DC.Title" content="System Report - Disk Utilization" /> <meta name="abstract" content="The Disk Utilization section of the System Report shows the utilization for each disk." /> <meta name="description" content="The Disk Utilization section of the System Report shows the utilization for each disk." /> <meta name="DC.Relation" scheme="URI" content="rzahxreportperftools.htm" /> <meta name="DC.Format" content="XHTML" /> <meta name="DC.Identifier" content="rzahxdiskutilreport" /> <meta name="DC.Language" content="en-us" /> <!-- All rights reserved. Licensed Materials Property of IBM --> <!-- US Government Users Restricted Rights --> <!-- Use, duplication or disclosure restricted by --> <!-- GSA ADP Schedule Contract with IBM Corp. --> <link rel="stylesheet" type="text/css" href="./ibmdita.css" /> <link rel="stylesheet" type="text/css" href="./ic.css" /> <title>System Report - Disk Utilization</title> </head> <body id="rzahxdiskutilreport"><a name="rzahxdiskutilreport"><!-- --></a> <!-- Java sync-link --><script language="Javascript" src="../rzahg/synch.js" type="text/javascript"></script> <h1 class="topictitle1">System Report - Disk Utilization</h1> <div><p>The Disk Utilization section of the System Report shows the utilization for each disk.</p> <p>Changes to this section of the System Report include:</p> <img src="./delta.gif" alt="Start of change" /><ul><li>The <span class="q">"ASP Rsc Name"</span> and <span class="q">"ASP ID"</span> columns have been removed.</li> <li>A label has been added at the beginning of each ASP/IASP section that indicates the ASP ID and ASP Rsc Name. The ASP Rsc Name is printed only when the DSASPN (ASP resource name) field in the QAPMDISK database file contains data.</li> <li>Totals and averages for each ASP/IASP section are printed at the end of each group of ASP/IASP.</li> <li>Totals and averages for all disk units are printed at the end of the Disk Utilization section, as before.</li> </ul><img src="./deltaend.gif" alt="End of change" /> <div class="example"><img src="./delta.gif" alt="Start of change" /><h4 class="sectiontitle">Example</h4><pre> System Report 8/29/05 22:05:26 Disk Utilization Page 0007 Member . . . : Q241111929 Model/Serial . : 595/02-0012A Main storage . . : 26.0 GB Started . . : 08/29/05 11:19:29 Library . . : QMPGDATA System name . . : RCHAS64B Version/Release : 5/ 4.0 Stopped . . : 08/29/05 12:07:00 Partition ID : 002 Feature Code . : 7487-8966 Int Threshold . : 100.00 % Virtual Processors: 28 Processor Units : 11.0 Unit Size IOP IOP Dsk CPU --Percent-- Op Per K Per - Average Time Per I/O -- Unit Name Type (M) Util Name Util Full Util Second I/O Service Wait Response ---- ---------- ---- ------- ---- ---------- ------- ---- ---- -------- --------- ------- ------ -------- ASP ID/ASP Rsc Name: 1/ 0001 DD084 6718 14,025 .1 CMB03 .0 73.2 1.4 6.44 11.2 .0021 .0003 .0024 0002 DD085 6718 14,025 .1 CMB03 .0 73.2 1.6 5.79 10.5 .0027 .0003 .0030 0003 DD106 6718 10,519 .1 CMB03 .0 73.2 1.2 6.49 9.9 .0018 .0001 .0019 0004 DD089 6718 14,025 .1 CMB03 .0 73.2 1.4 6.17 11.3 .0022 .0002 .0024 0005 DD074 6718 10,519 .1 CMB03 .0 73.2 .9 7.22 9.4 .0012 .0001 .0013 0006 DD080 6718 14,025 .1 CMB03 .0 73.2 1.3 7.29 10.7 .0017 .0003 .0020 0007 DD099 6718 10,519 .1 CMB03 .0 73.2 1.1 4.55 10.7 .0024 .0000 .0024 0008 DD078 6718 10,519 .1 CMB03 .0 73.3 1.3 6.41 10.7 .0020 .0001 .0021 0009 DD093 6718 14,025 .1 CMB03 .0 73.2 1.4 5.96 10.8 .0023 .0003 .0026 0010 DD101 6718 10,519 .1 CMB03 .0 73.2 1.2 7.61 9.3 .0015 .0002 .0017 0011 DD104 6718 14,025 .1 CMB03 .0 73.2 1.6 6.42 11.8 .0024 .0003 .0027 0012 DD087 6718 14,025 .1 CMB03 .0 73.2 1.9 7.71 10.6 .0024 .0003 .0027 0013 DD076 6718 10,519 .1 CMB03 .0 73.2 1.4 9.81 9.3 .0014 .0000 .0014 0014 DD100 6718 10,519 .1 CMB03 .0 73.2 1.0 5.65 10.9 .0017 .0002 .0019 0015 DD097 6718 14,025 .1 CMB03 .0 73.2 2.0 9.16 11.2 .0021 .0003 .0024 0016 DD094 6718 14,025 .1 CMB03 .0 73.2 1.6 6.81 12.1 .0023 .0003 .0026 0017 DD090 6718 10,519 .1 CMB03 .0 73.2 1.1 6.17 9.8 .0017 .0002 .0019 0018 DD077 6718 10,519 .1 CMB03 .0 73.2 1.3 7.72 10.4 .0016 .0001 .0017 0019 DD096 6718 14,025 .1 CMB03 .0 73.2 1.8 8.89 11.3 .0020 .0002 .0022 0020 DD075 6718 10,519 .1 CMB03 .0 73.2 1.6 8.26 10.2 .0019 .0001 .0020 0024 DD054 6717 8,589 .5 CMB07 4.1 73.2 .7 2.37 11.9 .0029 .0008 .0037 0025 DD003 6717 6,442 .5 CMB07 4.3 74.0 .5 2.21 13.9 .0022 .0004 .0026 0026 DD004 6717 8,589 .5 CMB07 4.3 73.5 .8 5.73 10.0 .0013 .0006 .0019 0027 DD002 6717 6,442 .5 CMB07 4.4 75.0 .4 3.13 8.9 .0012 .0003 .0015 0028 DD103 6717 8,589 .5 CMB07 4.2 73.2 1.0 5.14 10.1 .0019 .0012 .0031 0029 DD020 6718 15,355 1.4 CMB05 10.0 73.2 4.5 9.48 11.2 .0047 .0038 .0085 Unit -- Disk arm identifier Unit Name -- Disk arm resource name Type -- Type of disk Size (M) -- Disk space capacity in millions of bytes IOP Util -- Percentage of utilization for each Input/Output Processor IOP Name -- Input/Output Processor resource name Dsk CPU Util -- Percentage of Disk Processor Utilization ASP Rsc Name -- ASP resource name to which the disk unit was allocated at collection time ASP ID -- Auxiliary Storage Pool ID Percent Full -- Percentage of disk space capacity in use Percent Util -- Average disk operation utilization (busy) Op per Second -- Average number of disk operations per second K Per I/O -- Average number of kilobytes (1024) transferred per disk operation Average Service Time -- Average disk service time per I/O operation Average Wait Time -- Average disk wait time per I/O operation Average Response Time -- Average disk response time per I/O operation </pre> <img src="./deltaend.gif" alt="End of change" /></div> </div> <div> <div class="familylinks"> <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> </div> </div> </body> </html>