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IBM PowerHA SystemMirror for AIX Cookbook by William Nespoli Zanatta, Ashraf Ali Thajudeen, Kulwinder Singh, Reshma Prathap, Daniel J Martin-Corben, Shawn Bodily, Dino Quintero

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Planning
In this chapter, we discuss the planning aspects for a PowerHA 7.1.3 cluster. Adequate planning and preparation are necessary to successfully install and maintain a PowerHA 7.1.3 cluster. Time spent properly planning your cluster configuration and preparing your environment will result in a cluster that is easier to install and maintain and one that provides higher application availability.
Before you begin planning the cluster, you must have a good understanding of your current environment, your application, and your expectations ...

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