You can delete mirror consistency groups that are no longer needed on the local storage array and on the remote storage array.
All mirrored pairs must be removed from the mirror consistency group.
System Manager performs the following actions:
Occasionally, there may be instances where the mirror consistency group is successfully deleted from the local storage array, but a communication error prevents the mirror consistency group from being deleted from the remote storage array. In this case, you must access the remote storage array to delete the corresponding mirror consistency group.