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1.2.3 Configuring Nodes with Time Synchronization and
Installing Heartbeat 2 to Each Node
When you have installed the high availability packages to each node of the cluster, you need to
configure the Network Timing Protocol (NTP) and Heartbeat 2 clustering environment on each
physical machine that participates in the cluster.
"Configuring Time Synchronization" on page 13
"Configuring Heartbeat 2" on page 13
Configuring Time Synchronization
To configure time synchronization, you need to configure the nodes in the cluster to synchronize to a
time server outside the cluster. The cluster nodes use the time server as their time synchronization
source.
NTP is included as a network service in SLES 10 SP2. Use the
(http://www.novell.com/documentation/sles10/heartbeat/data/b5ez1wc.html)
Heartbeat Guide to help you configure each cluster node with NTP.
Configuring Heartbeat 2
Heartbeat 2 is an open source server clustering system that ensures high availability and
manageability of critical network resources including data, applications, and services. It is a
multinode clustering product for Linux that supports failover, failback, and migration (load
balancing) of individually managed cluster resources.
Heartbeat 2 packages are installed with the high availability pattern on the SLES 10 SP2 install
source. For detailed information about configuring Heartbeat 2, see the
instructions (http://www.novell.com/documentation/sles10/heartbeat/index.html?page=/
documentation/sles10/heartbeat/data/b3ih73g.html)
www.novell.com/documentation/sles10/heartbeat/data/heartbeat.html).
An important value you need to specify in order for Heartbeat 2 to be enabled for high availability is
configured in the Default Action Timeout field on the settings page of the Heartbeat 2 console
(hb_gui).
time synchronization instructions
in the
SLES 10 Heartbeat Guide (http://
Preparing PlateSpin Orchestrate for High Availability Support
in the SLES 10
installation and setup
13
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