Managing Serviceguard 12th Edition, March 2006

Building an HA Cluster Configuration
Configuring the Cluster
Chapter 5 233
#
# For example, to configure a quorum server running on node
# "qshost" with 120 seconds for the QS_POLLING_INTERVAL and to
# add 2 seconds to the system assigned value for the quorum
server
# timeout, enter:
#
# QS_HOST qshost
# QS_POLLING_INTERVAL 120000000
# QS_TIMEOUT_EXTENSION 2000000
Enter the QS_HOST, QS_POLLING_INTERVAL and, if desired, a
QS_TIMEOUT_EXTENSION.
Identifying Heartbeat Subnets
The cluster ASCII file includes entries for IP addresses on the heartbeat
subnet. It is recommended that you use a dedicated heartbeat subnet,
but it is possible to configure heartbeat on other subnets as well,
including the data subnet.
The heartbeat must be on an IPv4 subnet and must employ IPv4
addresses. IPv6 heartbeat is not supported.
NOTE If you are using Version 3.5 VERITAS CVM disk groups, you can
configure only a single heartbeat subnet, which should be a dedicated
subnet. Each system on this subnet must have standby LANs configured,
to ensure that there is a highly available heartbeat path. (Version 4.1
configurations can have multiple heartbeats.)
Specifying Maximum Number of Configured Packages
This specifies the most packages that can be configured in the cluster.
The parameter value must be equal to or greater than the number of
packages currently configured in the cluster. The count includes all types
of packages: failover, multi-node, and system multi-node.
For Serviceguard A.11.17, the default is 150, which is the maximum
allowable number of all packages per cluster.