Installation guide

relationship among the cluster components. Figure 1.2, “Cluster Configuration Structure” shows

an example of the hierarchical relationship among cluster nodes, high-availability services, and

resources. The cluster nodes are connected to one or more fencing devices. Nodes can be

grouped into a failover domain for a cluster service. The services comprise resources such as

NFS exports, IP addresses, and shared GFS partitions.

Figure 1.2. Cluster Configuration Structure

The following cluster configuration tools are available with Red Hat Cluster:

• Conga — This is a comprehensive user interface for installing, configuring, and managing

Red Hat clusters, computers, and storage attached to clusters and computers.

• system-config-cluster — This is a user interface for configuring and managing a Red Hat

cluster.

• Command line tools — This is a set of command line tools for configuring and managing a

Red Hat cluster.

Configuring Red Hat Cluster Software