Windows 8.1 ReFS support

Windows 8.1 supports Resilient File System aks ReFS (codename “Protogon”). As WinFS project was cancelled ReFS is what we have as possible successor of NTFS in its early days. This file system become available in Windows Server 2012 and tightly connected with Storage Spaces technology. Window 8/8.1 also supports this file system (as well as Windows 8.1 ReFS support