How is a cluster disk group created using VERITAS Volume Manager (tm)?

Article:TECH8848  |  Created: 2000-01-24  |  Updated: 2003-01-29  |  Article URL
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How is a cluster disk group created using VERITAS Volume Manager (tm)?


A cluster is a group of system nodes making use of a common set of disks. When Volume Manager controls these shared disks, the common sets of disks are organized into disk groups. Such shared disk groups are called "cluster disk groups."

Note: When using volumes on a disk group on one system, care must be taken to ensure the disk group is deported on all other systems that are part of the cluster. Unlike dynamic groups, cluster disk groups are not auto-imported after the system is rebooted. Cluster disk groups must be re-imported each time the system is reset.

Creating a cluster disk group via the graphical user interface (GUI):
Illustrated below are the steps to take to upgrade a basic disk group to a cluster disk group:

1. Launch the VERITAS Volume Manager console.
2. Locate the basic disk group on the Disk View tab.
3. Right-click the disk name.
4. Choose Update To Cluster Disk...

How to create a cluster disk group via the command line:
This example demonstrates how to upgrade a basic disk group using the command line:

1. Open a command prompt.
2. Type vxdg adddisk <accessname> -g<diskgroupname> [-C]
(Replace with the appropriate variables described below).

<accessname> is the disk name or path name of the device, such as Disk 2 or harddisk\partition0. The disk should not contain any volumes when it is added.

-g<diskgroupname> is the name of the disk group.

If the -C option is used, the disk that is referenced in <accessname> is added to the cluster disk group referenced in
-g<diskgroupname> i.e. C:\vxdg adddisk Disk 2 -gClusterGroup -C.

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