Managing HP Serviceguard for Linux, Seventh Edition, July 2007

Understanding Serviceguard Software Components
Serviceguard Architecture
Chapter 334
Serviceguard Architecture
The following figure shows the main software components used by
Serviceguard for Linux. This chapter discusses these components in
some detail.
Figure 3-1 Serviceguard Software Components on Linux
Serviceguard Daemons
Serviceguard for Linux uses the following daemons:
• cmclconfd—configuration daemon
• cmcld—cluster daemon
• cmnetd—Network Manager daemon
• cmlogd—cluster system log daemon
• cmdisklockd—cluster lock LUN daemon
• cmomd—Cluster Object Manager daemon
• cmsrvassistd—Service Assistant daemon
• qs—Quorum Server daemon
• cmlockd—utility daemon
• cmsnmpd—cluster SNMP subagent (optionally running)