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Virtual Servers Need Virtual Storage

Consolidation is a common trend in many IT environments, providing benefits such as improved hardware resource utilization, easier management, and lower costs. For storage, consolidation is accomplished by moving data off of direct attached storage (DAS) inside the server onto a shared pool of storage in a storage area network (SAN).


Recently, server consolidation has become popular thanks to technologies such as VMware® ESX Server™, Microsoft® Windows Server 2008 Hyper-V, and Citrix XenServer™. These “hypervisors” enable you to consolidate server images on fewer hardware platforms to improve IT efficiency.