KB450028 – How do I make RAID arrays in Windows server 2012

To make Raid arrays using Windows Server 2012 we would recommend using Window Storage Spaces to create your RAIDs.

This is the preferred way to manage your storage in a Windows Environment.

Here is a link to a how to Storage Spaces: http://www.windowsnetworking.com/articles-tutorials/windows-server-2012/windows-server-2012-r2-storage-spaces-part1.html