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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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Cluster maintenance
In this chapter, we provide basic guidelines to follow while you are planning and performing maintenance operations in a PowerHA cluster. The goal is to keep the cluster applications as highly available as possible. We use functionality within PowerHA and AIX to perform these operations. Of course, the scenarios are not exhaustive.
In this chapter, AIX best practices for troubleshooting, including monitoring the error log, are assumed. However, we do not cover how to determine what problem exists, whether dealing with problems ...

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