If the restart recovery minidisk, CHECKDISK, is defined, CA VM:Backup writes checkpoint data to a reserved update-in-place file called CHECK POINT on that minidisk as it processes each job. A checkpoint is a point in processing that marks the status of the job. CA VM:Backup uses checkpoint data to restart jobs that were interrupted (either by an abnormal system termination or by being placed on hold and then released) near the point at which they stopped.
This section describes the restart recovery process. If restart recovery is not enabled (that is, no CHECKDISK minidisk is defined), CA VM:Backup restarts interrupted jobs from the beginning.
Note: To guarantee data integrity and enhance performance, CA VM:Backup uses its own access method to write records to the CHECK POINT file. Do not modify this file manually.
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