IBM PowerHA SystemMirror V7.2 for IBM AIX Updates

Planning considerations

This chapter provides information when planning to implement IBM PowerHA SystemMirror.

This chapter provides information about 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 high available environment. This chapter describes a small subset.

3.1.1 Mirrored architecture

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