IBM PowerHA SystemMirror for i: Preparation (Volume 1 of 4)

IBM PowerHA SystemMirror for i architecture

This chapter explains the key components of IBM i cluster technology. Before you explore the implementation of IBM PowerHA SystemMirror for i, it is important to first understand IBM i clustering technology and capabilities.

The following topics are described in this chapter:

•3.1, “Cluster” on page 44

•3.2, “Device domain” on page 49

•3.3, “Cluster resource group” on page 50

•3.4, “IBM PowerHA SystemMirror for i technologies” on page 52

•3.5, “ASP copy descriptions” on page 61

•3.5.1, “ASP sessions” ...