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Overview
The most widely applied cluster management software in SUSE hosts is Heartbeat. Heartbeat is a core component of the Linux-HA (High-Availability Linux) project. This component provides the high-availability clustering functions, such as inter-node internal communication, collaborative cluster management, monitoring tools, and failover. Heartbeat only provides high-availability functions such as heartbeat monitoring and resource takeover. It does not monitor resources or applications. To use Heartbeat to monitor resource and application status, third-party plug-ins must be installed.