Microsoft’s DFS can be used to organize SMB (CiFS) file shares into a virtualized file namespace. Creating a DFS namespace decouples end user data access paths from the physical locations of the storage, providing storage administrators with considerable flexibility in managing their storage devices.
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A DFS namespace consists of a DFS root, which is a special type of file share, and a collection of links, which are paths that resolve to the DFS root. A DFS link redirects the DFS client to the physical location of the storage. The DFS client is included in the Windows codebase and it automatically runs on a user’s system whenever it accesses a DFS namespace.