IBM TOTAL STORAGE DS8000 - Manual (Page 313)

Action
Specify compatible volumes, and then resubmit the task.
CMUN03105E SOURCE Copy Services operation failure: volume not
restorable
Explanation
The volume is not in a persistent FlashCopy relationship with a completed
background copy.
Action
Contact IBM technical support for assistance.
CMUN03106E SOURCE Copy Services operation failure: volume reserved
Explanation
The storage management console server reports a Copy Services error. The
volume is already reserved.
Action
Contact IBM technical support for assistance.
CMUN03107E SOURCE Copy Services operation failure: volumes in
session
Explanation
The session cannot be closed because volumes still exist in the session.
Action
Remove the session members, and then resubmit the task.
CMUN03108E SOURCE Copy Services operation failure: volumes not
found
Explanation
The storage management console server reports a Copy Services error. The
volumes cannot be found in the Copy Services domain.
Action
Specify known volumes, and then resubmit the task.
Chapter 7. DS storage management console server messages 293