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Determining the Size of the Log

The Automation Log is a wraparound dataset, which means that the number of records in the file is constant and, when the file is full, a new record overwrites the oldest record. Automation Log entries can be archived or backed up for subsequent retrieval using utility CTOALOCP. For more information, see the INCONTROL for z/OS Utilities Guide.

If backup is performed on a regular basis, the Automation Log must be large enough to prevent overwriting record that have not been backed up. The size of the Automation Log is specified in installation parameter ALREC#. The backup frequency depends on site requirements.

Parent Topic

Controlling the Automation Log Facility