Data storage is rapidly becoming the leading cost item in IT infrastructure, and effective data storage architecture and decision-making has become crucial to the effective management of today's enormous databases and data-driven applications. This package brings together two comprehensive guides to enterprise data storage: Essential Guide to Storage Area Networks and Essential Guide to Computer Data Storage, giving students practical, up-to-the-minute insight into every data storage option, from today's "low end" to tomorrow's IP SANs.