5.1. CSM concepts and architecture

To understand what CSM is, it is useful to understand the details of what clustering is, what types of clusters there are, and what are the features of each cluster. We cover the fundamentals in this section, and delve into details in later sections of this chapter.

We specifically discuss:

  • Clustering basics

  • Type of clusters

  • CSM components such as Reliable Scalable Clustering Technology (RSCT), Resource Monitoring and Control (RMC), Resource Managers (RM), CSM hardware control, Cluster File Manager (CFM), CSM software maintenance, CSM diagnostic probes, CSM security and distributed shell.

5.1.1. Clustering basics

In simple terms, clustering is defined as two or more computers (generally referred to as nodes ...

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