In this blog post, we’ll cover the basics of the Distributed File System (DFS) in Windows Server 2008, which offers users simplified access to a set of file shares and helps administrators easily maintain the file server infrastructure behind those file shares, including options for load sharing, replication and site awareness.
Many File Servers and File Shares
It’s a common scenario. Over time, a company ends up with a large number of file servers that were created at different times and by different teams. The users are left to figure out where their files are stored, mapping many drives to file shares and learning complex UNC paths like \\server23\ffiles and \\finance.asia.company.com\spreadsheets and even something like \\10.1.23.45\scratch. To complicate things further, when an old file server is replaced, paths are broken and mapped drives stop working. It can be challenging.
Full Article – http://blogs.technet.com/josebda/archive/2009/03/09/the-basics-of-the-windows-server-2008-distributed-file-system-dfs.aspx