DFSMShsm is backing up a data set using DFSMSdss data movement. A request sent to DFSMShsm to back up the data set failed when the allocation of a dummy DD for DFSMSdss dump failed. The dynamic allocation error codes are identified in the preceding ARC0503E message. The data set name is contained in the preceding ARC1001I or associated ARC0734I message.
Backup command processing of the data set ends. DFSMShsm processing continues.
Notify the storage administrator. The storage administrator should review the ARC0503E message and its dynamic allocation codes to determine the type of failure and possible causes.
DFSMShsm