0516-076 lreducelv: Cannot remove last good copy of stale partition.
Resynchronize the partitions with syncvg and try again.
0516-922 rmlvcopy: Unable to remove logical partition copies from
logical volume loglv40.
0516-1135 unmirrorvg: The unmirror of the volume group failed.
The volume group is still partially or fully mirrored.