Managing HP Serviceguard for Linux, Eighth Edition, March 2008

Planning and Documenting an HA Cluster
Cluster Configuration Planning
Chapter 4 113
NETWORK_INTERFACE
The name of each LAN that will be used for heartbeats
or for user data. An example is eth0.
For information about changing the configuration
online, see “Changing the Cluster Networking
Configuration while the Cluster Is Running” on
page 269.
HEARTBEAT_IP
IPv4 notation indicating a subnet that will carry the
cluster heartbeat. (IPv6 addresses are not supported
for heartbeat).
Any subnet that is configured as a monitored_subnet
in a package configuration file (or SUBNET in a legacy
package; see “Package Configuration Planning” on
page 119) must be specified as either a STATIONARY_IP
or HEARTBEAT_IP.
For information about changing the configuration
online, see “Changing the Cluster Networking
Configuration while the Cluster Is Running” on
page 269.