DS8000 4-Site Replication with IBM Copy Services Manager

Introducing 4-site replication

This chapter is a brief introduction to the business need for High Availability and Disaster Recovery (HA/DR) solutions. It discusses the HA/DR concept and presents the 4-site solution that is documented in this IBM Redpaper publication.

The solution that is presented is based on IBM Copy Services Manager (CSM) support for 4-site replication.

This chapter includes the following topics:

•1.1, “Overview” on page 2

•1.2, “4-site concepts” on page 2

•1.3, “Options” on page 4

 

1.1 Overview

With data replication, production ...