The external volume serial number of the volume mounted on the MTL (Manual Tape Library) tape drive is required.
The job step waits for the operator to reply with the external volume serial number, or until the task reaches time-out.
The volume has just been unloaded. Note the external volume serial number on the outside of the cartridge and reply with this volume serial number. Remount this volume when prompted through message IEC501A.
IFG0194K