Veritas Volume Manager 5.1 SP1 Administrator"s Guide (5900-1506, April 2011)

Converting a disk group from shared to private
You can convert shared disk groups on a master node or a slave node. If you run
the command to convert the shared disk group on a slave node, the command is
shipped to the master and executed on the master.
To convert a shared disk group to a private disk group, first deport it on the master
node using this command:
# vxdg deport diskgroup
Then reimport the disk group on any cluster node using this command:
# vxdg import diskgroup
Moving objects between shared disk groups
You can move objects between shared disk groups on a master node or a slave
node. If you run the command to move objects between shared disk groups on a
slave node, the command is shipped to the master and executed on the master.
You can use the vxdg move command to move a self-contained set of VxVM objects
such as disks and top-level volumes between disk groups. In a cluster, you can
move such objects between private disk groups on any cluster node where those
disk groups are imported.
See “Moving objects between disk groups” on page 257.
Splitting shared disk groups
You can use the vxdg split command to remove a self-contained set of VxVM
objects from an imported disk group, and move them to a newly created disk
group.
See “Splitting disk groups” on page 260.
Splitting a private disk group creates a private disk group, and splitting a shared
disk group creates a shared disk group. You can split a private disk group on any
cluster node where that disk group is imported.
You can split a shared disk group or create a shared target disk group on a master
node or a slave node. If you run the command to split a shared disk group or to
create a shared target disk group on a slave node, the command is shipped to the
master and executed on the master.
Joining shared disk groups
You cannot join a private disk group and a shared disk group.
457Administering cluster functionality (CVM)
Administering VxVM in cluster environments