CA Disk will archive any valid cluster that passes selection testing, regardless of whether or not it contains data. If the cluster is empty, only its attributes are copied to tape.
Note: Empty SMS-managed VSAM will not be selected for Archive/Backup processing, unless sysparm VSUNOPEN is specified with a value Y. For details, see the sysparm description for VSUNOPENn in the Systems Guide.
CA Disk selects a VSAM cluster for Archive/Backup processing if the volume serial for any component or extent of the cluster meets the volume selection criteria. This occurs even if other components of the cluster do not meet the volume selection criteria.
The cluster-level selection criteria must also be met before the cluster is selected for processing. However, CA Disk will not select a VSAM data set for Archive/Backup processing more than once within the same job step.
The files data set contains the volume serial of the first data component of a VSAM cluster. During Archive/Backup processing, CA Disk issues a message that shows this volume serial. The volume serial must be correctly specified for a RECOVER run that uses the VOL= parameter. CA Disk can only RECOVER clusters if the first data component volume is selected.
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