Chapter 1.
1
Configuring Fence Devices in a Red
Hat Cluster
This document provides two configuration examples, showing the steps needed to configure fence
devices in a Red Hat cluster using the Conga configuration tool. For general information about fencing
and fence device configuration, see Configuring and Managing a Red Hat Cluster.
This document includes the procedures for configuring the following two fence devices:
• APC switch: single APC device to fence all cluster nodes
• IPMI management board: separate IPMI management boards for each cluster node
This remainder of this document is organized as follows:
• Chapter 2, Configuring an APC Switch as a Fence Device describes the procedure for configuring
an APC switch as a fence device in a Red Hat cluster.
• Chapter 3, Configuring IPMI Management Boards as Fencing Devices describes the procedure for
configuring an IPMI management board as a fence device in a Red Hat cluster.
• Chapter 4, Troubleshooting provides some guidelines to follow when your configuration does not
behave as expected.
• Chapter 5, The GFS Withdraw Function summarizes some general concerns to consider when
configuring fence devices in a Red Hat cluster.
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