The system unloads the volume.
Mount a volume requested in message IEA851A on this unit. Reply ‘U’ to message IEA893A when the device is ready.
If no volume can be mounted on this unit, reply ‘NO’ to message IEA893A when all other required devices have been mounted, that is, when the required devices are not listed in message IEA893A.
Allocation/unallocation
IEAVAP00
2
12