In computing, a distributed file system is a network file system where a single file system can be distributed across several physical computer nodes. Separate nodes have direct access to only a part of the entire file system, in contrast to shared disk file systems where all nodes have uniform direct access to the entire storage. Distributed file system can refer to: Network file system Distributed File System (Microsoft), the Microsoft distributed file system (DFS) DCE Distributed File System, the distributed file system from The Open Group (and earlier from IBM) Andrew File System, OpenAFS Distributed data store Category: ... For the protocol of this name, see Network File System (protocol). ... For library and office filing systems, see Library classification. ... A SAN file system is an enterprise storage file system which has been optimized to be shared by multiple clustered servers over a storage area network. ...
Distributed file systems generally include facilities for transparent replication and fault tolerance. That is, when a limited number of nodes in a file system go offline, the system continues to work without any data loss. Replication refers to the use of redundant resources, such as software or hardware components, to improve reliability, fault-tolerance, or performance. ... In computer science, Fault-tolerance is the property of a computer system to continue operation at an acceptable quality, despite the unexpected occurrence of hardware or software failures. ... In the field of information technology, data loss refers to the unforseen loss of data or information. ...
The difference between a distributed file system and a distributed data store can be vague, but DFSes are generally geared towards use on local area networks. A distributed data store is a network in which a user stores his or her information on a number of peer network nodes. ... LAN redirects here. ...
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