Managing HP Serviceguard for Linux Ninth Edition, April 2009

Online” (page 251). See also “What Happens
when You Change the Quorum Configuration
Online” (page 48) for important information.
NETWORK_INTERFACE The name of each LAN that will be used for
heartbeats or for user data on the node identified
by the preceding NODE_NAME. An example is
eth0.
NOTE: Any subnet that is configured in this
cluster configuration file as a SUBNET for IP
monitoring purposes, or as a monitored_subnet in
a package configuration file (or SUBNET in a
legacy package; see “Package Configuration
Planning ” (page 118)) must be specified in the
cluster configuration file via
NETWORK_INTERFACE and either
STATIONARY_IP or HEARTBEAT_IP. Similarly,
any subnet that is used by a package for
relocatable addresses should be configured into
the cluster via NETWORK_INTERFACE and
either STATIONARY_IP or HEARTBEAT_IP. For
more information about relocatable addresses,
see “Stationary and Relocatable IP Addresses
and Monitored Subnets” (page 71) and the
descriptions of the package ip_ parameters
(page 205).
For information about changing the configuration
online, see “Changing the Cluster Networking
Configuration while the Cluster Is Running”
(page 247).
HEARTBEAT_IP IP notation indicating this node's connection to
a subnet that will carry the cluster heartbeat.
106 Planning and Documenting an HA Cluster