
Managing Tape Volumes
User Reference
Connectivity Systems, Inc.—Copyright © 2006
Use Pursuant to Company Instructions
12-5
It is the responsibility of the operator to ensure that tape drives are
available when BIM-EPIC searches for a tape. A tape drive is available if
the drive:
Contains a valid tape—a tape is considered valid if the volume
serial number is in the DSN Catalog or the tape has been
initialized by TSIDINIT or DITTO
Is not in the device down status
Is not attached to any virtual machine (if Autoattach is ON), or is
attached to the machine running the job (if Autoattach is OFF)
Is not assigned to any partition
Is ready and at load point
Supports the mode setting specified for the dataset
Under most circumstances, you do not need to make drive assignments
with the VSE ASSGN statement. If Autoattach is on, you should avoid
using VM/CP ATTACH or DETACH to control the tape drives. Instead,
ensure that all drives are in the “detached” state and let BIM-EPIC do the
work for you.
If Autoattach is on and you use VM/CP ATTACH, you must issue
VM/CP DETACH for the tape drive when you are finished, so that
BIM-EPIC can use the drive in another virtual machine.
BIM-EPIC uses AVR only for controlled tapes. If the required tape is not
a BIM-EPIC-controlled tape, the operator will be prompted to specify the
address of the tape drive to use.
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