IBM PowerHA SystemMirror V7.2 for IBM AIX Updates

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Introduction to IBM PowerHA SystemMirror for IBM AIX

This chapter provides an introduction to IBM PowerHA SystemMirror for newcomers into this solution as well as a refresher to those that have implemented PowerHA and have used it for many years.

This chapter contains the following topics:

•What IBM PowerHA SystemMirror for IBM AIX is

•Availability solutions: An overview

•History and evolution

•High availability terminology and concepts

•Fault tolerance versus high availability

•Additional PowerHA resources

1.1 What IBM PowerHA SystemMirror for ...

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