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The IBM Tivoli System Automation product provides HA by automating resources such as processes, applications, and IP addresses. To automate an IT resource (for example, an IP address), the resource must be defined to Tivoli System Automation. Every application must be defined as a resource in order to be managed and automated with Tivoli System Automation. Application resources are usually defined in the generic resource class IBM.Application. For the HA IP address, the resource class IBM.ServiceIP must be used.
Reliable Scalable Cluster Technology, or RSCT, is a product fully integrated into IBM Tivoli System Automation. RSCT is a set of software products that together provide a comprehensive clustering environment for AIX and Linux. RSCT is the infrastructure to provide clusters with improved system availability, scalability, and ease of use. RSCT provides three basic components, or layers, of functionality:
