IBM PowerHA SystemMirror V7.2.1 for IBM AIX Updates

Planning considerations

This chapter provides information to help you plan the implementation of IBM PowerHA SystemMirror.

This chapter covers the following topics:

•Introduction

•Cluster Aware AIX repository disk

•Important considerations for virtual input/output server

•Network considerations

•Network File System tie breaker

3.1 Introduction

There are many different ways to build a highly available environment. This chapter describes a small subset.

3.1.1 Mirrored architecture

In a mirrored architecture, you have identical or nearly identical ...