ADR945W

Explanation
DFSMSdss attempts to process the
extent using FlashCopy® and the System Data Mover (SDM)
fails with listed diagnostic information.

System action
DFSMSdss attempts to move this extent
using traditional data movement methods unless FASTREPLICATION(REQUIRED) is specified. DFSMSdss DEFRAG operation continues and FlashCopy will be attempted for the rest of the extents. The
return code is 4. If the system also issues ADR938E, the DEFRAG task terminates.

Operator response
None.

Programmer response
See System data mover return and reason codes following DFSMSdss messages in z/OS MVS System Messages, Vol 1 (ABA-AOM) for an explanation of
return_code and reason_code.

Source
DFSMSdss