VxVM vxdiskunsetup ERROR V-5-2-2397 Veritas Disk Name: Device address must be of the form _

When I’m removing a disk from Veritas Volume Manager I was presented the following error message

root@solaris:/ # vxdg -g documentumdg rmdisk documentum01
root@solaris:/ # vxdiskunsetup -C documentum01
VxVM vxdiskunsetup ERROR V-5-2-2397 documentum01: Device address must be of the form _ where
is the logical name of the enclosure to which the
disk belongs
is the logical number of the disk

I need to specify the enclosure name and disk number so that it ran without errors

root@solaris:/ # vxdisk -o alldgs -e list | grep documentum01
dm documentum01 ibm_ds8x000_3134 – 62816000 – – – –

root@solaris:/ # vxdiskunsetup -C ibm_ds8x000_3134