IBM PowerHA SystemMirror for AIX Cookbook

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Customizing resources and events

In this chapter, we show how you can use PowerHA to recognize and react to cluster events. PowerHA has features to help you modify and adjust cluster behavior in response to specific events according to the requirements of your particular environment.

This chapter contains the following topics:

•Overview of cluster events

•User-defined resources and types

•Writing scripts for custom events

•Pre-event and post-event commands

•Automatic error notification

11.1 Overview of cluster events

When a cluster ...

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