Template:Linking utility load modules intro: Difference between revisions

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This section describes how to link edit the <var class="product">Model 204</var> utilities.  This step must be performed when installing a new version of <var class="product">Model 204</var>.
This section describes how to link edit the <var class="product">Model 204</var> utilities.  This step must be performed whenever installing a new version of <var class="product">Model 204</var>.


Since many of the utility load modules are compatible across versions of <var class="product">Model 204</var>, you will find that many of your z/OS jobs which use older versions of these load modules will continue to perform correctly when used in conjunction with the new version of <var class="product">Model 204</var>, and you do not need to change the <code>JOBLIB</code> nor <code>STEPLIB</code> JCL &mdash; for example, you do not need to change any of your batch jobs which have <code>PGM=BATCH204</code>.
Many of the utility load modules are compatible across versions of <var class="product">Model 204</var>; therefore, your z/OS jobs which use older versions of those load modules will continue to perform correctly when used in conjunction with the new version of <var class="product">Model 204</var>, and you do not need to change the <code>JOBLIB</code> nor <code>STEPLIB</code> JCL &mdash; for example, you do not need to change any of your batch jobs which have <code>PGM=BATCH204</code>.


However, a few utilities are sensitive to the <var class="product">Model 204</var> journal and checkpoint format.  Therefore, when you are using the following utilities, you must use the version of the utility which is the same as the version of the checkpoint or journal dataset it processes:
However, for some utility load modules, you must use the new version.  These modules are:
 
<ol>
<li>A few utilities are sensitive to the <var class="product">Model 204</var> journal and checkpoint format.  Therefore, when you are using the following utilities, you must use the version of the utility which is the same as the version of the checkpoint or journal dataset it processes:


<!--Sigh, it'd be "nice" for this list to be a template: -->
<!--Sigh, it'd be "nice" for this list to be a template: -->
<p class="code">AUDIT204: Extract from journal, and report stats and analysis
<table>
MERGEJ:  Merge concurrent journal streams
<tr><td><b>AUDIT204</b></td><td>Extract from journal, and report stats and analysis</td></tr>
UTILC:    Information from checkpoint stream
<tr><td><b>MERGEJ</b></td><td>Merge concurrent journal streams</td></tr>
UTILJ:    Information from journal stream; add EOF markers
<tr><td><b>UTILC</b></td><td>Information from checkpoint stream</td></tr>
</p>
<tr><td><b>UTILJ</b></td><td>Information from journal stream; add EOF markers</td></tr>
 
</table>
In addition to the above utility load modules, be sure to read the sub-section titled "Important instructions for version m.n", for the version of <var class="product">Model 204</var> you are installing; it may contain instructions for other utility load modules for which you must use a new version.
</ol>
and
<ol start="2">
<li>In addition to the above utility load modules, be sure to read the sub-section titled "Important instructions for version m.n", for the version of <var class="product">Model 204</var> you are installing; it may contain instructions for other utility load modules for which you must use a new version.
</ol>

Latest revision as of 22:53, 6 September 2014

This section describes how to link edit the Model 204 utilities. This step must be performed whenever installing a new version of Model 204.

Many of the utility load modules are compatible across versions of Model 204; therefore, your z/OS jobs which use older versions of those load modules will continue to perform correctly when used in conjunction with the new version of Model 204, and you do not need to change the JOBLIB nor STEPLIB JCL — for example, you do not need to change any of your batch jobs which have PGM=BATCH204.

However, for some utility load modules, you must use the new version. These modules are:

  1. A few utilities are sensitive to the Model 204 journal and checkpoint format. Therefore, when you are using the following utilities, you must use the version of the utility which is the same as the version of the checkpoint or journal dataset it processes:
    AUDIT204Extract from journal, and report stats and analysis
    MERGEJMerge concurrent journal streams
    UTILCInformation from checkpoint stream
    UTILJInformation from journal stream; add EOF markers

and

  1. In addition to the above utility load modules, be sure to read the sub-section titled "Important instructions for version m.n", for the version of Model 204 you are installing; it may contain instructions for other utility load modules for which you must use a new version.
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