The Windows Server 2008 R2 (Beta) Reviewers Guide has been posted, 74 pages of riveting marketing stuff about Windows Server 2008 R2 – they actually do a pretty good job talking about a new clustering feature specifically for Hyper-V named Cluster Shared Volumes (CSV).  CSV allows multiple cluster nodes to utilize the same LUN at the same time allowing multiple virtual machines to co-exist on the same physical LUN while the virtual machines are running on different nodes.  CSV is only going to be supported for Hyper-V environments and will be highly recommended to enable Live Migration, inform Taylor Brown.

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