With a moto of "It just works", Windows Server 8 it seems will have disk pooling in the product, a feature which was originally in version 1 of Windows Home Server.
Aptly named "Storage Spaces", websites Virtualization Review, PC World and MediaSmartServer.net have more information on a feature which we thought was long gone. Drive Pooling Returns to Windows Server 8 is a post from: MS Windows Home Server - Your Personal Guide to MicroSoft Windows Home Server!