VERITAS Volume Manager 4.1 Administrator's Guide

Creating and Administering Disk Groups
Destroying a Disk Group
Chapter 4 189
Destroying a Disk Group
The vxdg command provides a destroy option that removes a disk group
from the system and frees the disks in that disk group for
reinitialization:
# vxdg destroy diskgroup
CAUTION This command destroys all data on the disks.
When a disk group is destroyed, the disks that are released can be
re-used in other disk groups.