2 Chapter 2. Pre-installation and planning This chapter gives you an overview of what is required before implementing IBM Tivoli Storage Manager for Copy Services. We discuss the following topics: Environment requirements Overview of Volume Shadow Copy Service and legacy backups Backup strategy Using VSS and legacy backups How Tivoli Storage Manager Server manages Volume Shadow Copy Service backups Microsoft Cluster Server (MSCS) support Volume Shadow Copy Service client for Tivoli Storage Manager © Copyright IBM Corp. 2006. All rights reserved. 19