Load Balancing Cluster; High Availability Cluster - IBM RS/6000 SP Handbook

Clustered ibm eserver pseries systems

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Table of Contents

Application Server

Figure 1-4 Load balancing cluster

• Increases application or data availability

• Two or more nodes (primary and backup)

• Active/Passive and Active/Active configurations

• "Fail-over" of resources to backup node (nodes) when primary node

Figure 1-5 illustrates a high availability cluster.

Figure 1-5 High availability cluster

Application Server

Application Server

Chapter 1. Introduction