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Topic: Network File System


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In the News (Wed 17 Jul 19)

  
  Network File System   (Site not responding. Last check: 2007-10-14)
NFS, or the Network File System, was originally developed by Sun Microsystems in the 1980's as a way to create a file system on diskless clients.
This means that a file system may actually be sitting on machine A, but machine B can mount that filesystem and it will look to the users on machine B like the file system resides on the local machine.
File systems that are available for access across the network are often referred to as shared file systems.
www.ussg.iu.edu /usail/network/nfs/overview.html   (387 words)

  
 Using Network File System in AIX -- a primer
The Networked File System (NFS) is one of a category of filesystems known as distributed filesystems.
Once a file handle is issued for a file, that file handle will remain good even if the server is shutdown and rebooted, as long as the file continues to exist and no major changes are made to the configuration of the server.
The advantage of a connectionless, stateless system is that clients can continue using a network file server even if that server crashes and restarts, because there is no connection that must be re-established, and all of the state information associated with the remote mount is kept on the clients, i.e.
www-128.ibm.com /developerworks/aix/library/au-net_file.html   (4058 words)

  
 File system - Wikipedia, the free encyclopedia
The file system software is responsible for organizing these sectors into files and directories, and keeping track of which sectors belong to which file and which are not being used.
The hierarchical file system was an early research interest of Dennis Ritchie of Unix fame; previous implementations were restricted to only a few levels, notably the IBM implementations, even of their early databases like IMS.
A disk file system is a file system designed for the storage of files on a data storage device, most commonly a disk drive, which might be directly or indirectly connected to the computer.
en.wikipedia.org /wiki/File_system   (2909 words)

  
 Networked File System
It is possible that once an fhandle has been obtained the file in question may be deleted or become inaccessible as a consequence of file system acitvity on the server, this gives rise to a condition known as a stale file handle.
If the server is using a Unix file system the file handle is a function of the device number, i-number and i-node generation number.
Since such a file appears as part of the client file system, when the file is executed on the client the effects of the setuid nature of the file are felt on the client.
www.scit.wlv.ac.uk /~jphb/comms/nfs.html   (1912 words)

  
 NFS: Network File System
Network File System (NFS), originally developed by Sun Microsystems and then extended by IETF, allows file sharing over network among different types of systems.
In other words, NFS was designed for remote file access and sharing over network with various types of machines, operating systems, network architecture and transport protocols.
NFS mount protocol is used to communicate between the server and the client for the file access and sharing.
www.networkdictionary.com /protocols/nfs.php   (678 words)

  
 Linux NFS faq
Everyday file sharing is most often completely sequential: first client A opens a file, writes something to it, then closes it; then client B opens the same file, and reads the changes.
A file's file handle is assigned by an NFS server, and is supposed to be unique on that server for the life of that file.
System administrators enable synchronous writes for all files in a local file system by mounting that file system with the "sync" option.
nfs.sourceforge.net   (10640 words)

  
 Network File System   (Site not responding. Last check: 2007-10-14)
The Network File System (NFS), initially developed by Sun Microsystems, is a communication protocol and application programming interface which is emerging as a defacto standard for distributed file system services in a heterogeneous computing environment.
It permits a partition of a server's file system to be associated with either a device or a subdirectory on a client depending on the file/device model of the client's file system (see sec.
In a system where a server maintains the states of files as they are accessed by each client, the failure of a client, a server, or the network is difficult to recover from in an acceptable manner that will restore the states of clients and servers to the conditions in place before the failure.
hissa.ncsl.nist.gov /rbac/titlehce/node17.html   (1209 words)

  
 Network File System (NFS)
This allows files to be organized in a central location, while providing the functionality of allowing authorized users continuous access to them.
After granting access, any file and directory operations are sent to the server using remote procedure calls.
Users of remote systems mounting your export will be able to modify data in the exported filesystem.
www.redhat.com /docs/manuals/linux/RHL-7.3-Manual/ref-guide/ch-nfs.html   (898 words)

  
 Network File System (NFS)
NFS (Network File System) allows hosts to mount partitions on a remote system and use them as though they are local file systems.
The stateless UDP connection minimizes network traffic, as the NFS server sends the client a cookie after the client is authorized to access the shared volume.
Exported file systems can be a accessed by any users on the remote machine.
www.redhat.com /docs/manuals/linux/RHL-9-Manual/ref-guide/ch-nfs.html   (924 words)

  
 [No title]
File locking With the NFS version 4 protocol, the support for byte range file locking is part of the NFS protocol.
However, in the case that the client itself is renaming the file and the file is open, it is possible that the client may be able to recover.
The stat() system call is returning the fileid of the root of the mounted filesystem, whereas readdir() is returning the fileid stat() would have returned before any filesystems were mounted on the mount point.
www.ietf.org /rfc/rfc3530.txt   (14814 words)

  
 [No title]
When transferring a file between the client and server, LBFS identifies chunks of data that the recipient already has in other files and avoids transmitting the redundant data over the network.
While it is useful for organizations that wish to hide the structure of a network file system, it lacks so much that administrators need–reliability, redundancy, and ease of administration.
AFS is a distributed network file system that enables files physically stored on many different AFS servers to be accessed as if they were in a single directory (or virtual drive) on a local computer.
www.lycos.com /info/file-system--network-file-system.html   (405 words)

  
 Performance Tuning Guidelines for Microsoft Services for Network File System
These network adapters are good for failover scenarios but typically share a single interrupt among all the ports on the network adapter.
It is useful to turn off the process and system counters by using this registry parameter on systems where there is a measurable cost associated with counting I/O at the process and system level but where I/O rates can still be analyzed at the physical, logical, network interface, IP and TCP levels.
Because network connections and file server sessions all stay on the same network adapter, binding interrupts from the network adapter to a processor allows for processing of incoming packets (server message block (SMB) requests, data) on a specific set of processors, improving locality and scalability.
www.microsoft.com /technet/interopmigration/unix/sfu/perfnfs.mspx   (5791 words)

  
 Network File System (NFS)
Among the many different file systems that FreeBSD supports is the Network File System, also known as NFS.
specifies a file system to be exported and which machines have access to that file system.
With this flag, the remote system will not be able to write any changes to the exported file system.
www.freebsd.org /doc/en_US.ISO8859-1/books/handbook/network-nfs.html   (1791 words)

  
 NFS: Network File System
NFS assumes a file system that is hierarchical, with directories as all but the bottom level of files.
Different operating systems may have restrictions on the depth of the tree or the names used, as well as using different syntax to represent the "pathname", which is the concatenation of all the "components" (directory and file names) in the name.
A "file system" is a tree on a single server (usually a single disk or physical partition) with a specified "root".
ei.cs.vt.edu /~cs5204/fall99/Summaries/RPC/rfc1094.html   (5376 words)

  
 System and Network Requirements FAQ
MeetingWorks requires that a network-based file system be installed for communication between the Chauffeur and Participant stations.
The network file system must be configured so that each station has write access to a common working directory.
Be sure that your network file system server is configured for shared access, and that the MeetingWorks directories are accessible with read and write access from the Participant and Chauffeur stations.
www.entsol.com /html/system_and_network_requirement_3.html   (142 words)

  
 Network File System - NFS   (Site not responding. Last check: 2007-10-14)
With the NFS client, the embedded system can use a workstation's disk drive as if it were its own, reading parameter files and reading and writing data directly to the workstation's disk.
If the EBS ERTFS local file system is in use, a layer is provided to transparently route requests to either NFS or ERTFS.
A comprehensive manual is supplied as well as an interactive command shell which lets the user mount and manipulate remote file systems.
www.ebsnetinc.com /network-file-system-protocol.php   (105 words)

  
 The Network File System
This is made possible by a mixture of kernel functionality on the client side (that uses the remote file system) and an NFS server on the server side (that provides the file data).
This file access is completely transparent to the client, and works across a variety of server and host architectures.
The NFS implementation of is a little different in that the client code is tightly integrated in the virtual file system (VFS) layer of the kernel and doesn't require additional control through biod.
www.tldp.org /LDP/nag/node140.html   (651 words)

  
 NFS network file system
NFS Network File System client provides a comprehensive API for accessing and manipulating a file system on a remote host.
The file names, themselves, do not show whether the files are local or remote.
The NFS client provides 30 calls such as file open, read and write, directory create and delete, disk open and close, etc. NFS server performs client commands.
www.smxrtos.com /rtos/tcpip/nfs.htm   (126 words)

  
 What is Network File System? - a definition from Whatis.com - see also: NFS
- The Network File System (NFS) is a client/server application that lets a computer user view and optionally store and update file on a remote computer as though they were on the user's own computer.
Using NFS, the user or a system administrator can mount all or a portion of a file system (which is a portion of the hierarchical tree in any file directory and subdirectory, including the one you find on your PC or Mac).
The portion of your file system that is mounted (designated as accessible) can be accessed with whatever privileges go with your access to each file (read-only or read-write).
searchwinit.techtarget.com /sDefinition/0,290660,sid1_gci214121,00.html   (454 words)

  
 What is NFS? - A Word Definition From the Webopedia Computer Dictionary
Abbreviation of Network File System, a client/server application designed by Sun Microsystems that allows all network users to access shared files stored on computers of different types.
Users can manipulate shared files as if they were stored locally on the user's own hard disk.
With NFS, computers connected to a network operate as clients while accessing remote files, and as servers while providing remote users access to local shared files.
www.webopedia.com /TERM/N/NFS.html   (249 words)

  
 Network File System - Wikipedia, the free encyclopedia
For network file systems in general, see Distributed file system.
Network File System (NFS), a protocol originally developed by Sun Microsystems in 1984 and defined in RFCs 1094, 1813, and 3530 (obsoletes 3010) as a distributed file system, allows a user on a client computer to access files over a network as easily as if attached to its local disks.
Computer-people often use the term "network file system" as a generic term: see distributed file system for other examples.
en.wikipedia.org /wiki/Network_File_System   (1366 words)

  
 Linux Network Administrator's Guide, 2nd Edition: Chapter 14: The Network File System
The Network File System (NFS) is probably the most prominent network service using RPC.
This is primarily because of the overhead the system call interface adds to its operation, and because it must compete for time with other, potentially less important, user-space processes.
Version 3 of the Network File System supports larger files and filesystems, adds significantly enhanced security, and offers a number of performance improvements that most users will find useful.
www.oreilly.com /catalog/linag2/book/ch14.html   (2499 words)

  
 NFS, Network File System
The NFS protocol is designed to be machine, operating system, network architecture, and transport protocol independent.
The Network Lock Manager (NLM) protocol isolates the inherently stateful aspects of file locking into a separate protocol.
Unlike earlier versions, the NFS version 4 protocol supports traditional file access while integrating support for file locking and the mount protocol.
www.networksorcery.com /enp/protocol/nfs.htm   (249 words)

  
 Coda File System
We believe that the system needs to be taken from its current status to a widely available system.
We are now in a position to further develop and adapt the system for wider use.
The current activities with Coda are mostly aimed at making this very good file system widely available, and a network file system of choice.
www.coda.cs.cmu.edu   (167 words)

  
 NFS (Network File System)
A system, developed by Sun to allow file sharing across a network.
Originally developed for Unix systems, it has been extended to run on and with other network and desktop operating systems.
This Special Report provides valuable guidelines on choosing the right network management solutions for mid-market environments; as well as advice on how to define and implement a solid network management environment without sacrificing budget or the integrity of the network.
www.networkworld.com /details/781.html   (599 words)

  
 Network File System - Utilities Shopping at dooyoo.co.uk
EMC Corporation is the world leader in systems that store, protect, move, manage and access this explosion of content, enabling enterprises of all kinds to unite information as one resource, harness it as one source of value, and leverage it as one asset to reach the goals of the organization.
A number of years ago Network File System or NFS was developed on UNIX platforms.
This enabled UNIX servers and storage to communicate across a network and more importantly, to share files.
www.dooyoo.co.uk /utilities/network-file-system   (215 words)

  
 IBM z/OS Network File System (z/OS NFS)
Use the z/OS NFS for file serving (as a data repository) and file sharing between platforms supported by z/OS.
These remote MVS data sets or Open HFS files are mounted from the mainframe to appear as local directories or files on the client system.
As a result, you can bring the resources of an MVS system, such as system-managed storage, high-performance storage access, file access security, and centralized data access, to client platforms.
www.ibm.com /servers/eserver/zseries/zos/nfs   (205 words)

  
 network file system concept from the Object Oriented Software Engineering knowledge base   (Site not responding. Last check: 2007-10-14)
network file system concept from the Object Oriented Software Engineering knowledge base
subject > system > distributed system > client-server system > network file system
Next client-server system: peer-to-peer system Up: client-server system Previous client-server system: fat-client system
www.site.uottawa.ca:4321 /oose/networkfilesystem.html   (381 words)

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