Set the sysparm RECATMIG to Y in your SYSPARMS member of PARMLIB. Set the sysparm GDGRECAT to N in your SYSPARMS member of PARMLIB. Do not use CREATE parameter for restoring GDGs.
Business Value:
Setting the sysparm RECATMIG to Y keeps the SMS class and Generation Data Set (GDS) status information in the catalog when an SMS data set is archived. By keeping the GDG status information, archived GDGs can be rolled out of the sphere and still remain cataloged depending on the GDG base attributes. Setting the sysparm GDGRECAT to N keeps the sphere intact by not forcing the older uncataloged GDG versions to be recataloged as active. When the sysparm GDGRECAT is set as Y, the RECAT action can cause active DFSMS GDS entries to be rolled out of the sphere. Review use of the CREATE parameter for Restore/Recover. Create date is another factor used at restore time in determining generation sequence. If an older generation is restored with a new creation date and later re-archived, it could be selected for recovery out of sequence later.
More Information:
For more information, see System Parameter Definitions in the Sysparms section in the Systems Guide. Also see CREATE in the RESTORE/RECOVER section in the User Guide.
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