Managing Serviceguard 14th Edition, June 2007

Cluster and Package Maintenance
Reconfiguring a Cluster
Chapter 7 347
Delete NICs and their IP
addresses, if any, from the
cluster configuration
Cluster can be running.
“Changing the Cluster Networking
Configuration while the Cluster Is
Running” on page 353.
If removing the NIC from the
system, see “Removing a LAN or
VLAN Interface from a Node” on
page 358.
Change the designation of an
existing interface from
HEARTBEAT_IP to
STATIONARY_IP, or vice versa
Cluster can be running. See
“Changing the Cluster Networking
Configuration while the Cluster Is
Running” on page 353.
Reconfigure IP addresses for a
NIC used by the cluster
Must delete the interface from the
cluster configuration, reconfigure
it, then add it back into the cluster
configuration. See “What You Must
Keep in Mind” on page 354. Cluster
can be running throughout.
Change
NETWORK_FAILURE_DETECTION
parameter (see “Monitoring
LAN Interfaces and Detecting
Failure” on page 100)
Cluster can be running.
Change
NETWORK_POLLING_INTERVAL
Cluster can be running.
Change HEARTBEAT_INTERVAL,
NODE_TIMEOUT,
AUTO_START_TIMEOUT
Cluster can be running, except in
CVM environment; see the NOTE
following this table.
Change Access Control Policy Cluster and package can be
running.
Table 7-1 Types of Changes to the Cluster Configuration (Continued)
Change to the Cluster
Configuration Required Cluster State