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>
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 ...