IBM TOTAL STORAGE DS8000 - Manual (Page 293)

Action
Ensure that a configured logical volume exists, and then resubmit the task. If the
problem persists, contact IBM technical support for assistance.
CMUN03021E SOURCE Copy Services operation failure: device status
cannot be determined
Explanation
A logical volume in the specification is either:
v Unconfigured
v Flagged for service
v In the status cannot be determined state
v The wrong type
Action
Make the volume or underlying device available, or specify another volume, and
then resubmit the task.
CMUN03022E SOURCE Copy Services operation failure: source is
destination
Explanation
The source and destination ports for a path over FCP must be unique. No port can
be used as both source and destination.
Action
Specify two distinct ports, and then resubmit the task.
CMUN03023E SOURCE Copy Services operation failure: ESCON - FCP
collision
Explanation
An attempt is being made to establish ESCON paths between two control units with
FCP paths that already exist between the control units, or an attempt is being made
to establish FCP paths between two control units with ESCON paths that already
exist between the control units.
Action
Contact IBM technical support for assistance.
Chapter 7. DS storage management console server messages 273