The Scratch Synchronization Job generates a CA 1 scratch report to determine which Virtual Volumes are in scratch status and updates those Virtual Volume Entries in the Global VCAT that require a status change.
Sample JCL for the CA 1 scratch synchronization job can be found in HLQ.CCUUJCL(CA1). Follow the JCL comments to customize the job with the appropriate CA 1 options data set and the prefix character or characters of the defined Virtual Volume VOLSER ranges.
If you choose to use the CA 1 ROBSCR option you should still customize the Scratch Synchronization Job and execute it once a week or month to ensure that all scratched Virtual Volumes are kept in-sync. The issue being that TMSCLEAN will only notify CA Vtape when a Virtual Volume is scratched. If that notification fails, TMSCLEAN will not issue another notification. The Scratch Synchronization Job requests a CA 1 scratch report so it always checks all Virtual Volumes in scratch status to ensure they are in-sync.
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