Veritas VM Device Commands
vxdisk list ~ List all disks under volume manager control and give there status.
vxdiskadd c1t2d3 ~ add or bring a disk under volume manager control
vxdiskadmin ~ Interactive front end to the vxdisk program
Veritas VM Filesystem commands
vxdisk init ~ Initialize Physical Volume
vxdg init mydg mydg-01=c1t11d0 ~ Create Disk Group
vxassist -g mydg make myvol <size> ~ Create Logical Volume
mkfs -F vxfs /dev/vx/rdsk/mydg/myvol ~ create file system
vxvol -g mydg stopall ~ stop a volume
vxdg deport mydg ~ deport disk group
vxdg import mydg ~ import disk group
vxvol -g mydg startall ~ starting a imported volume
check the following link for quick reference..
http://www.pcs-computing.com/support/Veritas/basic_vxvm_commands_quick_ref.pdf