An ABACKUP or ARECOVER command has issued a GETMAIN request that has failed because not enough virtual storage is available.
The command being processed fails. The aggregate backup and aggregate recovery functions are held. DFSMShsm processing continues.
Increase the region size of the DFSMShsm primary address space, release the held functions, and reissue the command, or release the held functions and reissue the command when there is less DFSMShsm activity. See message ARC0307I in the DFSMShsm command activity log for additional information regarding the nature of the GETMAIN error.
DFSMShsm