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Chapter 4. Configuring IPMI Management Boards as Fencing Devices

This chapter provides the procedures for configuring IPMI management boards as fencing devices in a Red Hat cluster using the Conga configuration tool.
Figure 4.1, “Using IPMI Management Boards as Fence Devices” shows the configuration this procedure yields. In this configuration each node of a three node cluster uses an IPMI management board as its fencing device.

Note

Note that in this configuration each system has redundant power and is hooked into two independent power sources. This ensures that the management board would still function as needed in a cluster even if you lose power from one of the sources.
Using IPMI Management Boards as Fence Devices
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Using IPMI Management Boards as Fence Devices

Figure 4.1. Using IPMI Management Boards as Fence Devices

4.1. IPMI Fence Device Prerequisite Configuration
リンクのコピー

Table 4.1, “Configuration Prerequisities” summarizes the prequisite components that have been set up before this procedure begins.
Expand
Table 4.1. Configuration Prerequisities
Component Name Comment
cluster ipmiclust three-node cluster
cluster node clusternode1.example.com node in cluster ipmiclust configured with IPMI management board and two power supplies
IP address 10.15.86.96 IP address for IPMI management board for clusternode1.example.com
login ipmilogin login name for IPMI management board for clusternode1.example.com
password ipmipword password IPMI management board for clusternode1.example.com
cluster node clusternode2.example.com node in cluster ipmiclust configured with IPMI management board and two power supplies
IP address 10.15.86.97 IP address for IPMI management board for clusternode2.example.com
login ipmilogin login name for IPMI management board for clusternode2.example.com
password ipmipword password for IPMI management board for clusternode2.example.com
cluster node clusternode3.example.com node in cluster ipmiclust configured with IPMI management board and two power supplies
IP address 10.15.86.98 IP address for IPMI management board for clusternode3.example.com
login ipmilogin login name for IPMI management board for clusternode3.example.com
password ipmipword password for IPMI management board for clusternode3.example.com
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