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To remove a self-contained set of VxVM objects from an imported source disk group to a new target disk group, use the following command:
# vxdg [-o expand] [-o override|verify] split sourcedg targetdg \
See "Moving objects between disk groups" on page 213.
For example, the following output from vxprint shows the contents of disk group rootdg:
TY NAME ASSOC KSTATE LENGTH PLOFFS STATE TUTIL0 PUTIL0
dm rootdg01 sda - 17678493 - - - -
dm rootdg02 sdb - 17678493 - - - -
dm rootdg03 sdc - 17678493 - - - -
dm rootdg04 sdd - 17678493 - - - -
dm rootdg05 sde - 17678493 - - - -
dm rootdg06 sdf - 17678493 - - - -
dm rootdg07 sdg - 17678493 - - - -
dm rootdg08 sdh - 17678493 - - - -
v vol1 fsgen ENABLED 2048 - ACTIVE - -
pl vol1-01 vol1 ENABLED 3591 - ACTIVE - -
sd rootdg01-01 vol1-01 ENABLED 3591 0 - - -
pl vol1-02 vol1 ENABLED 3591 - ACTIVE - -
sd rootdg05-01 vol1-02 ENABLED 3591 0 - - -
The following command removes disks rootdg07 and rootdg08 from rootdg to form a new disk group, mydg:
# vxdg -o expand split rootdg mydg rootdg07 rootdg08
The moved volumes are initially disabled following the split. Use the following commands to recover and restart the volumes in the new target disk group:
# vxrecover -g targetdg -m [volume ...]
The output from vxprint after the split shows the new disk group, mydg:
TY NAME ASSOC KSTATE LENGTH PLOFFS STATE TUTIL0 PUTIL0
dm rootdg01 sda - 17678493 - - - -
dm rootdg02 sdb - 17678493 - - - -
dm rootdg03 sdc - 17678493 - - - -
dm rootdg04 sdd - 17678493 - - - -
dm rootdg05 sde - 17678493 - - - -
dm rootdg06 sdf - 17678493 - - - -
v vol1 fsgen ENABLED 2048 - ACTIVE - -
pl vol1-01 vol1 ENABLED 3591 - ACTIVE - -
sd rootdg01-01 vol1-01 ENABLED 3591 0 - - -
pl vol1-02 vol1 ENABLED 3591 - ACTIVE - -
sd rootdg05-01 vol1-02 ENABLED 3591 0 - - -
TY NAME ASSOC KSTATE LENGTH PLOFFS STATE TUTIL0 PUTIL0
dm rootdg07 sdg - 17678493 - - - -
dm rootdg08 sdh - 17678493 - - - -
See "Splitting shared disk groups" on page 427.