z/OS DFSMS Installation Exits
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Recovering from an Abend of ARCMDEXT Processing

z/OS DFSMS Installation Exits
SC23-6850-01

If the Start of changespace management exitEnd of change abends, DFSMShsm:
  • Does not migrate the data set
  • Stops processing the volume
  • Holds migration
  • Issues messages ARC0004I, ARC0535I, and ARC0734I with a return code of 54 and records them in the migration activity log

DFSMShsm does not disable the exit. Analyze the cause of the abend to determine if it is repeatable. If it is, disable the ARCMDEXT exit before releasing space management.

Parent topic: Characteristics of the ARCMDEXT Exit

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