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205Creating and administering disk groups
Reorganizing the contents of disk groups
Disk group: mydg
TY NAME ASSOC KSTATE LENGTH PLOFFS STATE TUTIL0 PUTIL0
dg mydg mydg - - - - - -
dm mydg07 c1t99d0 - 17678493 - - - -
dm mydg08 c1t100d0 - 17678493 - - - -
The following commands would also achieve the same result:
# vxdg move mydg rootdg mydg01 mydg05
# vxdg move mydg rootdg vol1
Splitting disk groups
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 \
object ...
For a description of the -o expand, -o override, and -o verify options, see
“Moving objects between disk groups” on page 203.
See “Splitting disk groups” on page 424 for more information on splitting
shared disk groups in clusters.
For example, the following output from vxprint shows the contents of disk
group rootdg:
# vxprint
Disk group: rootdg
TY NAME ASSOC KSTATE LENGTH PLOFFS STATE TUTIL0 PUTIL0
dg rootdg rootdg - - - - - -
dm rootdg01 c0t1d0 - 17678493 - - - -
dm rootdg02 c1t97d0 - 17678493 - - - -
dm rootdg03 c1t112d0 - 1767849 3 - - - -
dm rootdg04 c1t114d0 - 17678493 - - - -
dm rootdg05 c1t96d0 - 17678493 - - - -
dm rootdg06 c1t98d0 - 17678493 - - - -
dm rootdg07 c1t99d0 - 17678493 - - - -
dm rootdg08 c1t100d0 - 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 ...]
# vxvol -g targetdg startall