You can execute multiple backup or archive jobs concurrently on the same or different CPUs. By default, CA Disk generates unique archive data set names during dynamic allocation of the ARCHIVE0 and ARCHIVEC dd statements. This prevents the different jobs from waiting for a tape data set name enqueue held by another job.
If you provide the ARCHIVE0 or ARCHIVEC dd statements in your JCL and specify sysparm ARCTNAME with a value of D, CA Disk will append a 22-character date/time stamp to the name specified in the JCL. See Naming the Archives for details.
Each backup or archive job should also specify a list of volumes to be processed that is different from the other jobs. To reduce channel contention among the jobs, the volume lists should accomplish as much channel separation as possible.
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