Microsoft officials are finally sharing publicly details about “Protogon,” the new file system that the company is developing as part of Windows 8.
Officially named ReFS — for Resilient File System — the new file system will be made available via a staged “evolution,” according to a January 16 post on the “Building Windows 8″ blog.
Source : www.zdnet.com/blog/microsoft
Building Windows 8 Blog : Building the next generation file system for Windows: ReFS