Node fencing is the idea of fencing[1] an entire node out of a cluster at once, independently of what kind of resources it might be running.
In Heartbeat[2], NodeFencing is implemented by STONITH[3].
STONITH[3], fencing[1], ResourceFencing[4], NodeFencingImplementation[5],
| [1] | http://www.linux-ha.org/fencing |
| [2] | http://www.linux-ha.org/Heartbeat |
| [3] | http://www.linux-ha.org/STONITH |
| [4] | http://www.linux-ha.org/ResourceFencing |
| [5] | http://www.linux-ha.org/NodeFencingImplementation |
This information provided courtesy of the Linux-HA project at http://linux-ha.org/