ZHPF command: Difference between revisions
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<p class="syntax">ZHPF </p> | <p class="syntax">ZHPF </p> | ||
<var>ZHPF</var> displays the following message for each data set in the | <var>ZHPF</var> displays the following message for each data set in the file 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> | ||
where <var class="term">hex_values</var> represent the existing zHPF capabilities | where <var class="term">filename</var> is the most recently opened file <br /> | ||
<var class="term">hex_values</var> represent the existing zHPF capabilities <br /> | |||
<var class="term">indicator</var> has one of the following values: | |||
<table> | <table> | ||
< | <tr class="head"> | ||
<th>Value</th> <th>Meaning</th> | |||
</tr> | |||
<tr><td>YES</td> <td>zHPF is supported for <var class="term">dataset_name</var> in <var class="term">filename</var></td></tr> | <tr><td>YES</td> <td>zHPF is supported for <var class="term">dataset_name</var> in <var class="term">filename</var></td></tr> | ||
<tr><td>NO</td> <td>hardware or z/OS support for zHPF functionality is insufficient (for example when z/OS runs under VM)</td></tr> | <tr><td>NO</td> <td>hardware or z/OS support for zHPF functionality is insufficient (for example when z/OS runs under VM)</td></tr> | ||
Revision as of 18:46, 5 October 2015
Summary
- Privileges
- System manager
- Function
- Checks zHPF availability for an open file
Syntax
ZHPF
ZHPF displays the following message for each data set in the file 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 filename is the most recently opened file
hex_values represent the existing zHPF capabilities
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.