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PARMGEN and System Libraries…

The deployment phase (step 11 on the menu) of creating and loading an RTE with PARMGEN copies all the run time data to the run time libraries.  Some of these members need to go into system libraries such as SYS1.PROCLIB and SYS1.VTAMLST or your user versions of same.

Rather than overwrite my current live run time procedures and VTAMLST members I configure PARMGEN to write them to  ‘staging’ libraries. From there I can double check them against the current live members before committing them.

To configure PARMGEN to write to your own system data sets, edit the $GBL$USR member in WCONFIG by selecting option 8 on the main menu and then option 2 and change the highlighted lines shown in this screen shot:

$GLB$USR

You have to manually create these data sets yourself but that is easy enough using ISPF option 3,2.

After the initial deployment, most of the time you will only need to copy run time JCL from the proclib and possibly vtam list members from the vtamlst staging libraries to your actual live system data sets.

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