Veritas Volume Manager Overview

Veritas Volume Manager divides disks into disk groups and partitions these groups as desired. There is a nice GUI which helps alot. You can even pull up a command window to see what the gui is running. The newest version of the gui is vmsa.

General Commands:

Veritas Volume Manager licenses info:
/usr/sbin/vxlicense -p

What volume groups:

vxdg list

Import volume group (see details on cluster debugging)

vxdg import oradg

Specific voulme group info:

vxprint -ht

What is veritas doing (if running another command and it is hanging)

vxtask list

An excellent reference book for Veritas Clusters is:

Shared Data Clusters: Scaleable, Manageable, and Highly Available Systems (VERITAS Series) - this will provide you with the background knowledge of how clisters work, how to get the best performance from your cluster, and more.