CMMVC8889E Discovery could not be completed due to problems at target or initiator.
Explanation
A problem occurred that prevented a successful login or prevented discovery output from the target controller. Possible problems include protocol errors; a transient target, initiator, or network problem; or other errors returned by the target in response to the discovery request.
User response
Correct any configuration problems at the initiator or target. If the problem persists, contact IBM Support.