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Chapter 3. Red Hat High Availability Add-On Resources

This chapter provides a summary of Red Hat High Availability resources and their operation.

3.1. Red Hat High Availability Add-On Resource Overview

A cluster resource is an instance of program, data, or application to be managed by the cluster service. These resources are abstracted by agents that provide a standard interface for managing the resource in a cluster environment. This standardization is based on industry approved frameworks and classes, which makes managing the availability of various cluster resources transparent to the cluster service itself.