VERITAS Volume Manager 3.5 User's Guide - VERITAS Enterprise Administrator (June 2002)

Activating Dynamic Disk Groups
72 VERITAS Volume Manager User’s Guide - VEA
Activating Dynamic Disk Groups
If supported on your platform, the Disk Groups Activation procedure sets the activation
mode for a dynamic disk group. The dynamic disk group activation mode controls read
and write access to volumes in the specified dynamic disk group.
▼ To activate a dynamic disk group
1. Select the dynamic disk group to be activated.
2. Choose Disk Groups > Activation.
3. Complete the Activate Disk Group dialog box as follows:
Disk Group Name: Enter the name of the dynamic disk group to be activated.
Activation Mode: Select one of the following dynamic disk group activation modes:
◆ To disallow read and write access for volumes in the dynamic
disk group, select
Off.
◆ To allow readand write access for volumesin the dynamic disk
group, select
Read Write.
◆ To allow read only access for volumes in the dynamic disk
group, select
Read Only.
If your system supports a cluster environment, you can select one
of the following additional options for shared dynamic disk
groups:
◆ To give the current node exclusive write access for volumes in
the shared dynamic disk group, select
Exclusive Write. No
other nodes in the cluster can have write access to the dynamic
disk group.
◆ To give the currentnode write access for volumes in the shared
dynamic disk group, select
Shared Write. Other nodes in the
cluster can share write access to this dynamic disk group.
◆ To give the current node read access for volumes in the shared
dynamic disk group, select
Shared Read. The current node
cannot have write access to the dynamic disk group, but other
nodes in the cluster may have write access.