A SAN File System client is not needed to expand the size of volumes belonging to the SYSTEM storage pool. Therefore, the client_name parameter is not allowed for system volume.
Determine if the target volume is a system volume or not. If it is a system volume. Reissue the command without specifying the client_name parameter. Alternately, a system volume is specified instead of a user volume. Reissue the command with the correct user volume.
Parent topic: Administrative messages