Xsan is a 64-bit cluster file system specifically designed for small and large computing environments that demand the highest level of data availability. This book takes an in-depth look at Xsan 2 components, requirements, topologies, and installation challenges. System administrators and other IT professionals will learn about storage and network terminology; about the deployment options offered by Xsan 2 and how to plan a deployment; how to identify the basic structure of Xsan volumes; how to work with client and server configurations; how to manage failover; and about controlling user access to SAN volumes.