Requirements and considerations (Automatic Restart)
- The EXEC statement in the job step JCL must specify PGM=ICPUMAIN. The use of PGM=DFSRRC00 or PGM=DFSUDMP0 (IBM-compatible mode) is not supported.
- If the utility is producing Snapshot Copies or Instant Snapshot copies through SNAPSHOT UPGRADE FEATURE (SUF), the image copy tasks within the job step are treated as a group. If application updates occur during the image copy process and a non-recoverable SUF error (such as a cache failure) occurs, SUF marks all of the image copies in the group as nonrecoverable; a message is issued to inform you that the job cannot be restarted. If you resubmit this job, a message is issued to inform you that the previous execution experienced a nonrecoverable error. If you resubmit this job again, the job is cold-started.
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