Our storage performance team has published a fascinating new whitepaper, available here:
http://www.microsoft.com/en-us/download/details.aspx?id=44300
This whitepaper steps you through the configuration and testing of a top-of-the-line Hyper-V cluster deployment that is designed to deliver raw storage performance. It also provides a number of interesting tips and insights into how to best tune Hyper-V for performance in such configurations.
Well worth the read!
Cheers,
Ben