AutoMedia automatically supports stacked or multiple-file tapes by honoring the catalog control retention requested by the Backstore Engine. When the first Virtual Volume stacked on a Backstore Tape expires, the tape will not be expired. Instead, the Backstore Tape is retained until all Virtual Volumes on the tape expire.
CA Vtape by default uses the special expiration date of 99000 to indicate that a tape data set should be under catalog control. AutoMedia does not recognize this date. Instead, AutoMedia uses 00000 for the catalog control date. Update the CatalogManagedDate attribute in the Dynamic Options Section of parmlib member VTPARMS to change CA Vtape to this date. Issue the SVTn Refresh=Options console command for each CA Vtape Subsystem that should pick up the change. Issue the SVTn Display Parmlib console command to verify that the date has been set correctly.
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