Managing Serviceguard 12th Edition, March 2006

Planning and Documenting an HA Cluster
Hardware Planning
Chapter 4 135
Hardware Planning
Hardware planning requires examining the physical hardware itself.
One useful procedure is to sketch the hardware configuration in a
diagram that shows adapter cards and buses, cabling, disks and
peripherals. A sample diagram for a two-node cluster is shown in
Figure 4-1.
Figure 4-1 Sample Cluster Configuration
Create a similar sketch for your own cluster, and record the information
on the Hardware Worksheet. Indicate which device adapters occupy
which slots, and determine the bus address for each adapter. Update the
details as you do the cluster configuration (described in Chapter 5). Use
one form for each SPU. The form has three parts:
•SPU Information