The device could not be reserved by DFSMSdss Stand-Alone Services because of an I/O error or because the device be reserved on another path or by another system.
The function ends.
None.
Examine the previous messages to determine if an I/O error occurred.
If the device is reserved on another path or by another system, rerun the job when the device is available.
If previous messages indicate an I/O error occurred, examine the error information to determine the cause of the error. Assistance of a hardware service representative be necessary to resolve the cause of the problem.