Using Serviceguard Extension for RAC, 5th Edition, June 2007

Serviceguard Configuration for Oracle 10g RAC
Cluster Communication Network Monitoring
Chapter 274
Cluster Interconnect Monitoring Restrictions
In addition to the above limitations the Cluster Interconnect Monitoring
feature has the following restrictions:
• Cluster Lock device/Quorum Server/Lock Lun must be configured in
the cluster.
• CLUSTER_INTERCONNECT_SUBNET can be used to monitor only IPv4
subnets.
• To change default Serviceguard cluster configuration parameter
NODE_TIMEOUT, HEARTBEAT_INTERVAL or Oracle Clusterware
configuration parameter CSS misscount, set Oracle misscount to the
higher of:
— 195 seconds
Or
—40*SG_NODE_TIMEOUT + 25 * SG_HB_INTERVAL + 120 seconds