Duplexing has ended for the original volser specified in the message because the duplex tape specified in the message has a different capacity or one uses Improved Data Recording Capability (IDRC) and the other does not. If the type indicated is MEDIAn where n is a number and MEDIAn indicates the media type.
The capacity is either enhanced or standard. IDRC is a form of data compaction. For additional information, see SETSYS TAPEHARDWARECOMPACT in the z/OS DFSMShsm Storage Administration.
DFSMShsm processing continues for the original tape. The duplex tape is released. A tapecopy is made when processing completes.
Provide duplex tapes that match the original tapes.
DFSMShsm