Model 204 system requirements: Difference between revisions

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==Operating system support==
Rocket Software has completed regression testing and certification of [[Model 204 support lifecycle|supported Model 204 releases]].
===Model 204 Release V7.5===
Release V7.5 is supported on the IBM z/OS, IBM z/VM, and IBM z/VSE operating system environments.
====IBM z/OS====
The latest z/OS version supported is [[#z/OS 2.1 compatibility issues|V2.1]].


V1.7 or later is required.
===Model 204 version 7.9===


V1.7 is sufficient for all new functionality except for the following features:  
Version 7.9 is certified for all IBM supported releases up to and including the following:
<ul>
<ul>
<li>Large (1 MB) page support requires V1.9.</li>  
<li>IBM z/OS 3.2</li>
<li>Extended address volumes (EAV) requires V1.12.</li>
<li>IBM z/OS 2.3<br />
</ul>  
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) </li>
<li>IBM z/VM 6.3 </li>
<li>IBM z/VSE 6.1 </li>
</ul>


Authorization under APF is required to run Model 204 V750 under any z/OS operating system.  
===Model 204 version 7.8===


====IBM z/VM====
Version 7.8 is certified for all IBM supported releases up to and including the following:
The latest z/VM version supported is V6.3.
<ul>
 
<li>IBM z/OS 3.2</li>
z/VM V5.4 or later is required.
<li>IBM z/OS 2.3<br />
====IBM z/VSE====
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) </li>
The latest z/VSE version supported is V5.2.
<li>IBM z/VM 6.3 </li>
<li>IBM z/VSE 6.1 </li>
</ul>


z/VSE V5.1 or later is required.
===Model 204 version 7.7===


===Model 204 Release V7R4===
Version 7.7 is certified for all IBM supported releases up to and including the following:
Release V7.4 is supported on the following operating system environments:
<ul>
<ul>
<li>IBM z/OS versions 1.09 through [[#z/OS 2.1 compatibility issues|2.1]]</li>              
<li>IBM z/OS 3.2</li>
<li>IBM z/VM versions 5.3 and 5.4</li>
<li>IBM z/OS 2.3<br />
<li>IBM z/VSE version 4.2.1</li>
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) </li>
<li>IBM z/VM 6.3 </li>
<li>IBM z/VSE 6.1 </li>
</ul>
</ul>


===Model 204 Release V7R1===
===Model 204 version 7.6===
Release V7.1 is supported on the following operating system environments:
 
Version 7.6 is certified for all IBM supported releases up to and including the following:
<ul>
<ul>
<li>IBM z/OS versions 1.09 through [[#z/OS 2.1 compatibility issues|2.1]]</li>
<li>IBM z/OS 2.4</li>
<li>IBM z/VM versions 5.3 and 5.4</li>
<li>IBM z/OS 2.3<br />
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) </li>
<li>IBM z/VM 6.3 </li>
<li>IBM z/VSE 6.1 </li>
</ul>
</ul>
7.1 is not supported on IBM z/VSE.


===z/OS 2.1 compatibility issues===
===Model 204 version 7.5===
In Model 204 versions 7.5 and lower, Horizon TCP  applications sending data larger than 16K might get the following error: 
<p class="code">M204.1254: User language statement is invalid in this conversation state</p>                         
This error occurs under z/OS version 2.1 because the TCP Default Send Buffer Size (DefaultSndBufSize) was increased  to 65536 (from 16384 in earlier versions).


The solutions are as follows:
Version 7.5 is certified for all IBM supported releases up to and including the following:
<ul>
<ul>
<li><b>Model 204 v7.5:</b> <br />Apply zap 75Z226.</li>
<li>IBM z/OS 2.4</li>
<li><b>Model 204 v7.4:</b> <br />Currently fixed by zap 74Z4552. Contact [[Contacting Rocket Software Technical Support|Technical Support]].</li>
<li>IBM z/OS 2.3<br />
<li><b>Model 204 v7.1 (and lower):</b> <br />Workaround: Set z/OS 2.1 TCP DefaultSndBufSize to 16384.</li>
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) <br />
(For IBM z/OS 2.1, see [[IBM z/OS 2.1 compatibility issue]].)</li>              
<li>IBM z/VM 6.3</li>
<li>IBM z/VSE 6.1</li>
</ul>
</ul>


==Hardware requirements==
===Model 204 version 7.4===
Model 204 requires the IBM zSeries processors listed below for each Model 204 release.
Version 7.4 is certified for all IBM supported releases up to and including the following:
===Model 204 Release V7.5===
Model 204 version 7.5 requires the IBM z/890 or above processor, except for the following feature:  
<ul>
<ul>
<li>The large (1 MB) page support feature requires the IBM z10 or above processor.</li>
<li>IBM z/OS 2.4</li>
</ul>  
<li>IBM z/OS 2.3<br />
===Model 204 Release V7.4===
(For IBM z/OS 2.2, see [[IBM z/OS 2.2 PTF requirement]].) <br />
Model 204 version 7.4 requires the IBM z/890 or above processor, except for the following feature:  
(For IBM z/OS 2.1, see [[IBM z/OS 2.1 compatibility issue]].)</li>               
<li>IBM z/VM 6.3</li>
<li>IBM z/VSE 6.1</li>
</ul>
 
===Model 204 version 7.1===
Version 7.1 is certified for all IBM supported releases up to and including the following:
<ul>
<ul>
<li>The large (1 MB) page support feature requires the IBM z10 or above processor.</li>
<li>IBM z/OS 2.1 (see [[IBM z/OS 2.1 compatibility issue]])</li>             
</ul>  
<li>IBM z/VM 6.3</li>
</ul>
<p class="note"><b>Note:</b> Model 204 version 7.1 is not supported on IBM z/VSE.</p>


===Model 204 Release V7.1===
[[Category:Installation]]
Model 204 version 7.4 requires the IBM z/890 or above processor.

Latest revision as of 17:08, 11 June 2026

Rocket Software has completed regression testing and certification of supported Model 204 releases.

Model 204 version 7.9

Version 7.9 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.8

Version 7.8 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.7

Version 7.7 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.6

Version 7.6 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.5

Version 7.5 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.4

Version 7.4 is certified for all IBM supported releases up to and including the following:

Model 204 version 7.1

Version 7.1 is certified for all IBM supported releases up to and including the following:

Note: Model 204 version 7.1 is not supported on IBM z/VSE.

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