Managing Serviceguard 11th Edition, Version A.11.16, Second Printing June 2004

Understanding Serviceguard Software Components
Volume Managers for Data Storage
Chapter 3112
Figure 3-25 Multiple Paths in Volume Groups
Types of Volume Manager
Serviceguard allows a choice of volume managers for data storage:
• HP-UX Logical Volume Manager (LVM) and (optionally)
MirrorDisk/UX
• VERITAS Volume Manager for HP-UX (VxVM)—Base and Add-on
Products
• VERITAS Cluster Volume Manager for HP-UX (CVM)
Separate sections in Chapters 5 and 6 explain how to configure cluster
storage using all of these volume managers. The rest of the present
section explains some of the differences among these available volume
managers and offers suggestions about appropriate choices for your
cluster environment.