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117 lines
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<meta name="DC.Title" content="Resource Interval Report - IOP Utilizations" />
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<meta name="abstract" content="The IOP Utilizations section of the Resource Interval Report contains a combination of input/output processor (IOP) utilizations" />
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<title>Resource Interval Report - IOP Utilizations</title>
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<body id="rzahxresourceex4"><a name="rzahxresourceex4"><!-- --></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 - IOP Utilizations</h1>
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<div><p>The IOP Utilizations section of the Resource Interval Report contains
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a combination of input/output processor (IOP) utilizations</p>
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<div class="section"><p>These utilizations are:</p>
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<dl><dt class="dlterm">Disk IOP utilizations</dt>
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<dd>Gives input/output processor (IOP) utilization for direct access storage
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devices (DASDs). Consistent Disk IOP utilization at or above the threshold
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value affects system performance and causes longer response times and/or less
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throughput.</dd>
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<dt class="dlterm">Multifunction IOP utilizations</dt>
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<dd>Gives input/output processor (IOP) utilization for DASD, communication,
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and local workstation devices. Consistent utilization at or above the threshold
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value affects system performance and causes longer response times and/or less
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throughput.</dd>
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<dt class="dlterm">Communications IOP utilizations</dt>
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<dd>Gives communications input/output processor (IOP) utilization.</dd>
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<dt class="dlterm">Local work station IOP utilizations</dt>
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<dd>Gives input/output processor (IOP) utilization for local workstation devices.</dd>
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</dl>
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</div>
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<div class="example"><h4 class="sectiontitle">Example</h4><div class="note"><span class="notetitle">Note:</span> The total for the I/O processor utilization
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oftentimes does not match the sum of the three columns (IOP Processor Util
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Comm, IOP Processor Util LWSC, and IOP Processor Util DASD). This mismatch
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is caused by the utilization of other small components, such as system time.</div>
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<pre> Resource nterval Report 10/03/03 2:42:33
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IOP tilizations Page 27
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Perf data from 14:00 o 16:00 at 1 min
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Member . . . : Q275140000 Model/Serial . : 890/10-3907F
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Main storage . . : 56.4 GB Started . . . : 10/02/03 14:00:00
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Library . . : PTLIBV5R3 System name . . : ABSYSTEM
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Version/Release . : 5/3.0 Stopped . . . : 10/02/03 16:00:00
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Partition ID : 003 Feature Code . : 7427-2498-7427
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IOP Name/ Itv - IOP Processor Utils - DASD Ops per sec - KB per I/O - KBytes Transmitted Avail Local
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(Model) End Total Comm LWSC DASD Reads Writes Read Write IOP System Storage (K) Util 2
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----------------- ----- ----- ----- ----- ----- ----------- ---------- ------- ------- ----------- ----------- ----------- -----
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CMB05 (2843) 14:00 .4 .0 .0 .0 2 0 63,513 .0
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14:05 .4 .0 .0 .0 3 0 63,513 .0
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14:10 .4 .0 .0 .0 2 0 63,513 .0
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14:15 .4 .0 .0 .0 2 0 63,513 .0
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14:20 .4 .0 .0 .0 2 0 63,513 .0
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14:25 .4 .0 .0 .0 2 0 63,513 .0
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14:30 .4 .0 .0 .0 2 0 63,513 .0
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14:35 .4 .0 .0 .0 2 0 63,513 .0
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14:40 .4 .0 .0 .0 2 0 63,513 .0
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14:45 .4 .0 .0 .0 3 0 63,513 .0
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14:50 .4 .0 .0 .0 2 0 63,513 .0
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14:55 .4 .0 .0 .0 2 0 63,513 .0
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15:00 .4 .0 .0 .0 2 0 63,513 .0
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15:05 .4 .0 .0 .0 2 0 63,513 .0
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15:10 .4 .0 .0 .0 2 0 63,513 .0
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15:15 .4 .0 .0 .0 2 0 63,513 .0
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15:20 .4 .0 .0 .0 3 0 63,513 .0
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15:25 .4 .0 .0 .0 2 0 63,513 .0
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15:30 .4 .0 .0 .0 2 0 63,513 .0
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15:35 .4 .0 .0 .0 2 0 63,513 .0
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15:40 .4 .0 .0 .0 2 0 63,513 .0
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15:45 .4 .0 .0 .0 2 0 63,513 .0
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15:50 .4 .0 .0 .0 2 0 63,513 .0
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15:55 .5 .0 .0 .0 2 0 63,513 .0
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16:00 .5 .0 .0 .0 3 0 63,513 .0
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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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Itv End -- Interval end time (hour and minute)
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IOP Processor Util Total -- Total utilization for IOP
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IOP Processor Util Comm -- Utilization of IOP due to communications activity
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IOP Processor Util LWSC -- Utilization of IOP due to local workstation activity
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IOP Processor Util DASD -- Utilization of IOP due to DASD activity
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DASD Ops per sec Reads -- Number of reads per second
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DASD Ops per sec Writes -- Number of writes per second
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K Per Read -- Average number of kilobytes (1024) per read operation
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K Per Write -- Average number of kilobytes (1024) per write operation
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IOP KBytes Transmitted -- Number of Kbytes transmitted from the IOP to the system across the bus
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System KBytes Transmitted-- Number of Kbytes transmitted from the system to the IOP cross the bus
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Avail Local Storage (K) -- Number of kilobytes (1024) of local storage that is free
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Util 2 -- Utilization of co-processor</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 class="relref"><strong>Related reference</strong><br />
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<div><a href="rzahxresourceinterval.htm" title="There are six sections to the Resource interval report.">Example: Resource Interval Report</a></div>
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</div>
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</div>
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</body>
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