How do Cluster Shared Volumes work in Windows Server 2008 R2?

I have found today the description of the new Cluster Shared Volumes that will be availabe in Windows Server 2008 R2, a feature designed for Hyper-V 2.0, to remove the need for 1 LUN per VM:

http://windowsitpro.com/article/articleid/100867/q-how-do-cluster-shared-volumes-work-in-windows-server-2008-r2.html

You need to register/login to see the answer.