How to unencapsulate Veritas VM 3.5 root disk ***Newbie question***

Our server is running Solaris 8 and Veritas VM 3.5-mp3. We plan to
upgrade our HBA driver and need to "break the connection" to the
mirror root disk. What's the correct procedure/command to
unencapsulate the root disk before the driver upgrade and to re-
encapsulate the root disk after the upgrade ? Below are some of
current settings. Thanks, Bill



# ls -lt /etc/vx/reconfig.d/state.d
-rw-r--r-- 1 root root 0 Aug 25 2004 root-done


# cat /etc/system
:
:
* vxvm_START (do not remove)
*forceload: drv/vxdmp
*forceload: drv/vxio
*forceload: drv/vxspec
*forceload: drv/sd
*forceload: drv/pcipsy
*forceload: drv/ssd
*rootdev:/pseudo/vxio@0:0
*set vxio:vol_rootdev_is_volume=1
* vxvm_END (do not remove)



# cat /etc/vfstab.prevm
:
:
#device device mount FS fsck
mount mount
#to mount to fsck point type pass at
boot options
#
#/dev/dsk/c1d0s2 /dev/rdsk/c1d0s2 /usr ufs 1
yes -
fd - /dev/fd fd - no -
/proc - /proc proc - no -
/dev/dsk/c0t1d0s1 - - swap - no -
/dev/dsk/c0t1d0s0 /dev/rdsk/c0t1d0s0 / ufs
1 no -
/dev/dsk/c0t1d0s5 /dev/rdsk/c0t1d0s5 /var ufs
1 no -
swap - /tmp tmpfs - yes -
/dev/odm - /dev/odm odm - no -


# vxdisk list

DEVICE TYPE DISK GROUP STATUS
c0t1d0s2 sliced rootdisk rootdg online
c4t1d0s2 sliced disk-mirr rootdg online
:
:
: