This IBM® Redpapers™ publication is a guide to Copy Services as managed by AIX® in a IBM PowerVM™ virtualized environment. The goal of this paper is to provide step-by-step procedures about how storage subsystem-based Copy Services are accomplished in a virtualized environment and the approach for which they should be adopted.

This paper focuses on Copy Services technology from EMC, Hitachi, and IBM within the following storage subsystem models:

- EMC DMX-4

- Hitachi USP V

- IBM DS8300

- IBM SVC

The storage software products that will be used for the different Copy Services are as follows:

- EMC TimeFinder

- Hitachi ShadowImage

- IBM FlashCopy®

While there are numerous storage subsystem vendors in the marketplace and industry, this paper has been limited to the vendors and the technologies described above.

Chapter 1. Technical overview

Chapter 2. Scenario #1: Copy of physical LUN and present to another client

Chapter 3. Scenario #2: Copy of physical LUN and present to same client

Chapter 4. Scenario #3: Copy of physical LUN with multiple Logical Volumes and present to another client