Options are available, both when implementing the system and later, in the variety of extended features which you can use as needed. User exits provide a means to completely customize the system if necessary.
The TMC can be extended for both Volume records and for DSNB records, or reduced by deleting a range of serial numbers no longer required.
CA 1 provides the facilities to combine two TMCs or to migrate data from an existing TMC to another TMC.
Tape retention can be user-controlled through the JCL or centralized with the Retention Data Set.
Available interfaces with other products allow for extended CA 1 facilities.
CA 1 provides special expiration date keywords that enhance tape retention.