Use the DEVICE Record to identify to CA VM:Tape the tape drives it manages. Use one or more DEVICE records to specify all the tape drives available for CA VM:Tape to allocate to users, including all supported ARM devices. CA VM:Tape rechecks the availability of tape drives each time it allocates a drive. CA VM:Tape dynamically determines which drive is associated with an ARM location and checkpoints this information, preserving the location to be used in a recovery situation.
Drives listed on the DEVICE Record can be made unavailable to CA VM:Tape with the DRAIN command or the STAM VARY command (if STAM is active and the device is defined to STAM).
Note: For more information about these commands, see the Command Reference Guide.
To define a group that contains multiple drives, specify the NAME parameter on the DEVICE record. After groups have been defined, users can use the NAME groupname option on the MOUNT and ALLOCATE commands to have CA VM:Tape select a tape drive from a specific group of drives.
You can also specify a group name on the MIADEVICE record. However, you cannot specify the same tape device on both a DEVICE Record and an MIADEVICE record.
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