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DIY SAN: Windows Server 2012 Storage Spaces and iSCSI target | TechRepublic
http://www.techrepublic.com/blog/networking/diy-san-windows-server-2012-storage-spaces-and-iscsi-target/6293
John Joyner shows you how to use Windows Server 2012 to create an iSCSI target and virtual disk that can be used for storage.