CMMVC8945E The command failed because it would allow access to an image mode copy in a Metro Mirror or Global Mirror relationship that does not contain consistent data.
Explanation
An attempt was made to remove an image mode volume or volume copy that is a secondary in a Metro Mirror or Global Mirror relationship and the data on the volume is not consistent.
User response
Wait for the relationship to synchronize the volume from the primary volume, then retry the command. Alternatively, specify the -discardimage parameter to force the delete operation.