IBM TOTAL STORAGE DS8000 - Manual (Page 197)

CMUN02121E SOURCE Unable to modify SCSI host port: address
discovery method and volume group type mismatch
Explanation
The LUN Polling address discovery method requires a SCSI-All, SCSI-Map 256,
SCSI520-All, or Copy Services volume group type.
Action
Specify compatible address discovery method and volume group types, and then
resubmit the task.
CMUN02122E SOURCE Unable to modify SCSI host port: invalid value
Explanation
The storage management console server reports a storage unit microcode-level
error. A mask that controls N-port logins contains an invalid value.
Action
Correct the port specification, and then resubmit the task. If the problem persists,
contact IBM technical support for assistance.
CMUN02123E SOURCE Unable to modify SCSI host port: nonexistent
volume group
Explanation
The specified volume group does not exist.
Action
Specify a valid volume group, and then resubmit the task. If the problem persists,
contact IBM technical support for assistance.
CMUN02124E SOURCE Unable to modify SCSI host port
Explanation
The storage management console server reports a storage unit microcode-level
error.
Action
Contact IBM technical support for assistance.
CMUN02125E SOURCE Unable to start or end service
Explanation
The storage management console server reports a storage unit microcode-level
error.
Chapter 7. DS storage management console server messages 177