ZHPF command: Difference between revisions

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(Created page with "==Summary== <dl> <dt>Privileges <dd>System manager <dt>Function <dd>Checks zHPF availability for an open file </dl> ==Syntax== <p class="syntax">ZHPF <var class="term">filenam...")
 
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<var>ZHPF</var> displays the following message for each data set in <var class="term">filename</var> to indicate whether [[Ellie test page|zHPF type I/O]] can be used for the data set:
<var>ZHPF</var> displays the following message for each data set in <var class="term">filename</var> to indicate whether [[Performance monitoring and tuning#High Performance FICON (zHPF)|zHPF type I/O]] can be used for the data set:


<p class="code">M204.2953: File <var class="term">filename</var> <var class="term">dataset_name</var> zHPF capabilities <var class="term">hex_values</var> Supported: - <var class="term">indicator</var></p>
<p class="code">M204.2953: File <var class="term">filename</var> <var class="term">dataset_name</var> zHPF capabilities <var class="term">hex_values</var> Supported: - <var class="term">indicator</var></p>

Revision as of 16:38, 10 June 2015

Summary

Privileges
System manager
Function
Checks zHPF availability for an open file

Syntax

ZHPF filename

ZHPF displays the following message for each data set in filename to indicate whether zHPF type I/O can be used for the data set:

M204.2953: File filename dataset_name zHPF capabilities hex_values Supported: - indicator

where hex_values represent the existing zHPF capabilities, and indicator has one of the following values:

Value Meaning
YES zHPF is supported for dataset_name in filename
NO hardware or z/OS support for zHPF functionality is insufficient (for example when z/OS runs under VM)
N/A zHPF support is not available at all at the z/OS or hardware level

Usage notes

ZHPF is available as of Model 204 Version 7.6.