Fencing configuration

Fencing is configured in the CMAN configuration file, /etc/cluster/cluster.conf. It is defined by the <fencedevides> tag and must be placed after the <clusternodes> tag and before the <rm> tag in the CMAN configuration file. Within the <fencedevices> tag, different fence devices can be configured. There are different fence device options to be used with different fence devices.

The syntax for configuring a fence device is as follows:

<fencedevices>
  <fencedevice fencedevice_options/>
</fencedevices>

Tip

More than one fence device can be configured simultaneously in the /etc/cluster/cluster.conf CMAN configuration file.

Once you have configured a fencing device, you need to configure the fencing method for each existing cluster node. The fence method configuration provides information on how to fence a specific cluster node.

The information provided varies, depending on the fencing device configured. If you are configuring the APC...