Managing Serviceguard Fifteenth Edition, reprinted May 2008

Understanding Serviceguard Software Components
Volume Managers for Data Storage
Chapter 3 115
Figure 3-21 Mirrored Physical Disks
Figure 3-22 shows the mirrors configured into LVM volume groups,
shown in the figure as /dev/vgpkgA and /dev/vgpkgB. The volume
groups are activated by Serviceguard packages for use by highly
available applications.
Figure 3-22 Multiple Devices Configured in Volume Groups