Managing Serviceguard 12th Edition, March 2006

Understanding Serviceguard Hardware Configurations
Larger Clusters
Chapter 256
Figure 2-11 Eight-Node Cluster with XP or EMC Disk Array
Fibre Channel switched configurations also are supported using either
an arbitrated loop or fabric login topology. For additional information
about supported cluster configurations, refer to the HP Unix Servers
Configuration Guide, available through your HP representative.