vxvm:vxconfigd: V-5-1-16251 Disk group deport of dg failed with error 70 - Volume or plex device is open or attached
vxprint -g
The above command returns "devopen=on" for one of the volumes
The files /etc/mtab and /proc/self/mounts show the mount point is listed under autofs
Stopping the autofs service permits the deport the diskgroup and offlining the service group