SQL Server Standard High Availability (HA) with two nodes
Use Database Mirroring. Witness node is optional. 

http://technet.microsoft.com/en-us/library/ms190941.aspx

You may configure a failover cluster with virtual shared storage. There are guys who do the VSAN for Windows (however they call it "for Hyper-V" but don't get confused it works bare metal on Windows as well).

http://www.hotwebclips.com/Home/Show/tGgqG8oEpBQ