IBM TOTAL STORAGE DS8000 - Manual (Page 301)

CMUN03053E SOURCE Copy Services operation failure: invalid
transition
Explanation
The command attempts to perform an invalid transition between modes.
Action
Contact IBM technical support for assistance.
CMUN03054E SOURCE Copy Services operation failure: invalid
revertible specification
Explanation
Either:
v A FlashCopy establish was specified with the revertible option for a pair that
does not exist or is already revertible.
v A FlashCopy withdraw was specified on a pair that is not revertible.
Action
Specify a different pair, and then resubmit the command.
CMUN03055E SOURCE Copy Services operation failure: session or
members not in correct state.
Explanation
The Global Mirror start fails because a session or session members are not in the
correct state.
Action
Place the session or members in the correct state, and then resubmit the
command.
CMUN03056E SOURCE Copy Services operation failure: invalid session
state for FlashCopy
Explanation
The Global Mirror session is not in the correct state.
Action
Contact IBM technical support for assistance.
Chapter 7. DS storage management console server messages 281