Configuring Fence Devices - Red Hat CLUSTER SUITE - CONFIGURING AND MANAGING A CLUSTER 2006 Manual

44 Chapter 3. Installing and Configuring Red Hat Cluster Suite Software
Tip
Choose the cluster name carefully. The only way to change the name of a Red Hat
cluster is to create a new cluster configuration with the new name.
4. (Optional) The Config Version value is set to 1 by default and is automatically
incremented each time you save your cluster configuration. However, if you need to
set it to another value, you can specify it at the Config Version text box.
5. Specify the Fence Daemon Properties parameters: Post-Join Delay and Post-Fail
Delay.
a. The Post-Join Delay parameter is the number of seconds the fence daemon
(
fenced
The Post-Join Delay default value is 3. A typical setting for Post-Join Delay
is between 20 and 30 seconds, but can vary according to cluster and network
performance.
b. The Post-Fail Delay parameter is the number of seconds the fence daemon
(
fenced
the node has failed. The Post-Fail Delay default value is 0. Its value may be
varied to suit cluster and network performance.
Note
For more information about Post-Join Delay and Post-Fail Delay, refer to the
fenced(8) man page.
6. Save cluster configuration changes by selecting File => Save.
3.6. Configuring Fence Devices
Configuring fence devices for the cluster consists of selecting one or more fence devices
and specifying fence-device-dependent parameters (for example, name, IP address, login,
and password).
To configure fence devices, follow these steps:
) waits before fencing a node after the node joins the fence domain.
) waits before fencing a node (a member of the fence domain) after