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CATVMFMR - Merge Volume Master Files

This process will merge the backup files of two VMFs into a new VMF defined in the TLMSIDCK member in the CAI.CTAPOPTN data sets. VOLSERs not defined in TLMSIDCK are not merged, and VOLSERs defined by TLMSIDCK but not in either VMF backup are generated. If a VOLSER is contained in both backups and the volser(s) is in the TLMSIDCK, the program stops with an error. MDS and MVL records for volumes not merged are ignored, and reported as orphans.