Fence Configuration Guide

Red Hat Enterprise Linux 6

Configuring and Managing Fence Devices for the High Availability Add-On

Steven Levine

Red Hat Customer Content Services

slevine@redhat.com

John Ha

Red Hat Customer Content Services

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Abstract

Fencing is the disconnection of a node from the cluster's shared storage. Fencing cuts off I/O from shared storage, thus ensuring data integrity. This manual documents the configuration of fencing on clustered systems using High Availability Add-On and details the configuration of supported fence devices.

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