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Topic: Andrew file system

	Distributed file system - Wikipedia, the free encyclopedia
		A client interface for a file service is formed by a set of primitive file operations, such as creating a file, deleting a file, reading from a file, and writing to a file.
		The primary hardware component that a file server controls is a set of local secondary-storage devices on which files are stored, and from which they are retrieved according to the client requests.
		A DFS is a file system whose clients, servers, and storage devices are dispersed among the machines of a distributed system or intranet.
	en.wikipedia.org /wiki/Distributed_file_system (817 words)

	Andrew file system - Wikipedia, the free encyclopedia
		The Andrew file system (AFS) is a distributed networked file system developed by Carnegie Mellon University as part of the Andrew Project.
		When a file is cached the server makes a note of this and promises to inform the client if the file is updated by someone else.
		Additionally, a variant of AFS, the Distributed File System (DFS) was adopted by the Open Software Foundation in 1989 as part of their Distributed computing environment.
	en.wikipedia.org /wiki/Andrew_file_system (753 words)

	File system - Questionz.net , answers to all your questions (Site not responding. Last check: 2007-10-23)
		A file system consists of abstract data types that are necessary for the storage, hierarchical organization, manipulation, navigation, access and retrieval of data.
		File systems typically have directories which associate file names with files, usually by connecting the file name to an index into a file allocation table of some sort, such as the FAT in an MS-DOS file system, or an inode in a UNIX-like filesystem.
		Disk File Systems A disk file system is a file system designed for the storage of files on a disk drive, which might be directly or indirectly connected to the computer.
	www.questionz.net /Apple_Macintosh/File_system.html (778 words)

	Andrew File System (Site not responding. Last check: 2007-10-23)
		The local name space is the root file system of a workstation, from which the shared name space descends.
		Andrew’s volumes are small component units associated with the files of a single client.
		The UNIX file system is used as a low-level storage system for both servers and clients.
	data.uta.edu /~ramesh/cse5306/AFS.html (516 words)

	Michigan Engineering \| Introduction to the Andrew File System (AFS) (Site not responding. Last check: 2007-10-23)
		In general, the task of a distributed file system is to make a shared file system accessible to hosts via a network.
		The file system must control which individual hosts and users have rights to mount file systems and to access files.
		Files are only exchanged between a client and a server if both machines are able to recognize the token as valid.
	www.engin.umich.edu /caen/technotes/afs (1345 words)

	AFS (Andrew File System) (Linktionary term)
		A cell is a collection of file servers and client systems within an autonomous area that is managed by a specific authority.
		A volume server process handles file system operations related to volumes, such as volume create, move, replicate, backup, and restore.
		Files can be moved around to different systems to adjust loads on servers.
	www.linktionary.com /a/afs.html (632 words)

	AFS distributed filesystem FAQ (Site not responding. Last check: 2007-10-23)
		In UNIX filesystems, when you a remove a file that is kept open by a process, the file stays around physically while it is no longer referenced in any directory (which you will see as a mismatch between disk space usage according to df and du).
		It is established by the fileserver with the caching of a file.
		On a normal UNIX /etc/passwd file, each password can have been encrypted around 4096 (2^12) different saltings of the crypt(3) algorithm, so for a large number of users it is easy to see that a potentially large (up to 4095) number of seperate encryptions of each word checked has been avoided.
	www.faqs.org /faqs/afs-faq (12287 words)

	Andrew File System - Computing Knowledgebase
		Andrew File System (AFS) is a distributed networked filesystem developed by Carnegie Mellon University under the direction of Mahadev Satyanarayanan as part of their Andrew Project.
		AFS is a location-independent file system that uses a local cache to reduce the workload and increase the performance of a distributed computing environment.
		It is also the predecessor of the CFS file system.
	pc.wikia.com /wiki/AFS (574 words)

	Andrew File System - AFS
		The main filesystem used at RZG is AFS (Andrew File System).
		Files there can be considered as tape files.
		RZG uses massstorage systems to migrate data from disk to tape.
	www.rzg.mpg.de /storage/afs (611 words)

	Managing AFS: The Andrew File System - $27.04 (Site not responding. Last check: 2007-10-23)
		This distributed system has several attributes which make it ideally suited for use in organizations trying to manage the constantly growing amount of file data needed and produced by today's operating systems and applications.
		This chapter describes how AFS volumes are administered to create the global file namespace, to provide access to replicated data, and to provide users with on-line access to a backup version of their files.
		Output from AFS commands on other systems should be identical apart from dates and other ephemeral data; output from standard UNIX commands may differ more or less depending on your particular desktop operating system.
	www.informit.com /title/0138027293 (1848 words)

	Solaris Network File System (NFS)
		file is used to specify the location of log files, file handle to pathname mapping database, and work buffer, along with a few other parameters.
		The Network File System (NFS) Version 4 is a new distributed file system similar to previous versions of NFS in its straightforward design, simplified error recovery, and independence of transport protocols and operating systems for file access in a heterogeneous network.
		This is to prevent files with suid bits set on the NFS server, e.g., Trojan horse files, from being executed on the NFS client, which could then lead to root compromise on the client.
	www.softpanorama.org /Net/nfs_links.shtml (6955 words)

	IS&T Article - AFS at MIT: An Introduction
		AFS, the Andrew File System, is the file system used by MIT's distributed computing system.
		A file system organizes the files and directories on a computer system into a tree of directories and subdirectories.
		Everybody's files are somewhere in this tree, occupying some sub-branch: the system's files, your files, other users' files, and the online documentation files all are stored in this tree.
	itinfo.mit.edu /article.php?id=6845 (1078 words)

	AFS Frequently Asked Questions
		Establishing the same view of filestore from each client and server in a network of systems (that comprise an AFS cell) is an order of magnitude simpler with AFS than it is with, say, NFS.
		Systems administrators are able to make configuration changes from any client in the AFS cell (it is not necessary to login to a fileserver).
		No. The technique used is to create a new volume, where every file in the RW copy is pointed to by the new backup volume.
	www.angelfire.com /hi/plutonic/afs-faq.html (11673 words)

	Andrew File System – Malcolm Dowse (Site not responding. Last check: 2007-10-23)
		The original aim was to provide a single campus-wide file system for home directories that would still work efficiently over a low-bandwidth college network.
		The file system had to be able to function well with large numbers of users over a relatively low network bandwidth.
		In the event of changes being made to shared files, the server must inform individual clients that their cached copy is out of date.
	ganges.cs.tcd.ie /undergrad/4ba2.01/group9/CommonFileSystems2.html (1556 words)

	The Andrew File System
		The Andrew File System (AFS) is a distributed network file system that enables files from any AFS machine across the country to be accessed as easily as files stored locally.
		AFS is composed of cells, with each cell representing an independently administered portion of file space.
		Cells connect to form one enormous UNIX file system under the root /afs directory.
	www.psc.edu /general/filesys/afs/afs.html (245 words)

	Andrew File System (afs): The UNIX File System
		The Andrew File System (afs) is the name of the file system that is used by the UNIX operating system on our machines.
		There are many commands that affect the files and directories that are available to UNIX users.
		Choosing a name that reflects the course and the project that you will be working on with this group of users is usually a good start.
	www.cs.wisc.edu /~deppeler/tutorials/UNIX/afs/index.html (724 words)

	The Andrew Consortium
		Andrew offers an extensible compound document architecture which can create and combine just about anything, from text to pictures to graphs to spreadsheets to figures, into a single document on your computer screen.
		Andrew's entire Archive is available to you via the Andrew Consortium's ftp archive at Carnegie Mellon University.
		Andrew Corporation is a global designer, manufacturer, and supplier of communications equipment, services, and systems.
	www.cs.cmu.edu /afs/cs.cmu.edu/project/atk-ftp/web/andrew-home.html (695 words)

	The Andrew File Service (Site not responding. Last check: 2007-10-23)
		The goal of the Andrew file service (AFS) is to support information sharing on a large scale.
		Thus when a user accesses a file a copy is cached on the user's machine and access to the file is purely local form that point on.
		When Vice issues a file it also provides a callback promise which guarantees that whenever any other client modifies the file Vivce will notify the venus client of the fact.
	www.sju.edu /~jhodgson/netw/andrew.html (326 words)

	Andrew File System
		AFS is an enterprise file system designed for use in a distributed environment on multiple computing platforms.
		The client then presents the file to the user as if it were local to the machine.
		If the server reports that the file is up to date, the client is able to present the client with the file that is stored in the local disk cache rather than transferring the file from the server.
	its.unc.edu /dci/afs (457 words)

	Define AFS - Andrew File System
		Meaning of AFS — “Andrew File System”, is an implementation of distributed networked file system developed by Carnegie Mellon University.
		AFS is a global file system and directories worldwide become available to a user with access to a host with an AFS client installed.
		Synchronization and caching issues in the Andrew file system - by Michael Leon Kazar.
	www.birds-eye.net /definition/a/afs-andrew_file_system.shtml (516 words)

	Amazon.com: Managing AFS: The Andrew File System: Books: Richard Campbell (Site not responding. Last check: 2007-10-23)
		Designed to handle terabytes of data and thousands of users distributed across large networks, the Andrew File System (AFS) works as a Unix and Windows NT add-on that replaces the standard Network File System (NFS).
		The basic idea of AFS is that all users of a network get a common picture of the file system even though it represents data that's stored on many different machines.
		One interesting chapter presents AFS case studies, highlighting how IBM, Morgan Stanley, and the University of Michigan are using the file system.
	www.amazon.com /Managing-AFS-Andrew-File-System/dp/0138027293 (2292 words)

	Managing AFS: Andrew File System \| Linux Journal
		The original Andrew File System was created by a group of researchers at Carnegie Mellon University (CMU).
		AFS is now a registered trademark used by the Transarc Corporation to identify the commercial packaging of the Andrew File System.
		This means that the loss of a server will not translate into a user being denied access to the file system.
	www.linuxjournal.com /article/2913 (1021 words)

	KOM Network Resources - Andrew File System
		The file system appears to the user as a giant virtual hard disk or megadirectory made up of subdirectories from across the entire continent.
		The files and programs in a volume can be stored on a departmental AFS file server down the corridor, on the IES AFS server machine, or on a remote AFS file server on the Internet.
		The biggest obvious difference between ACLs and traditional UNIX file permissions is that an ACL is used to apply permissions to an entire directory in an AFS volume; it cannot be used to apply permissions to individual files within a directory a la the UNIX chmod command.
	intern.kom.aau.dk /net/doc/documentation/afs.html (2346 words)

	Andrew File System (AFS) at NC State
		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.
		In addition to accessing your AFS file space in a Unity lab, you can also get to it from a remote location using a file transfer protocol.
		Your AFS file space is a part of this.
	www.ncsu.edu /it/essentials/managing_files/afs.html (396 words)

	The Andrew File System (AFS) (Site not responding. Last check: 2007-10-23)
		AFS stands for the Andrew File System, a distributed file system.
		AFS is conceptually similar to NFS (Network File System) in that it allows you to share disk space among hosts, but AFS accomplishes this in a different way.
		AFS is a global file system that lets all AFS participants on the Internet share one logical file space.
	www.indiana.edu /~oseuser2/scripts/ose.cgi?abjf.def.help (248 words)

	☞ storage - file storage system - file storage system online guide
		the file system has an underlying storage device or not, file systems typically...
		The file-storage system is built around a data model consisting of two tables,...
		The Central File System (CFS) is a file management and file storage system for the Los Alamos...
	www.storage-101.info /file-storage/file-storage-system.html (523 words)

	Andrew File System
		The Andrew File System is used by Duke to deal with all accounts and files on the acpub system except for a few limited situations.
		The file location above is where Duke keeps the most recent copy of the file.
		The 'fs' commands are file server commands, while the 'pts' commands are protection and security.
	kepler.pratt.duke.edu /ME165/programs/afs.html (716 words)

	Andrew file system - a Whatis.com definition
		An Andrew file system (AFS) is a location-independent file system that uses a local cache to reduce the workload and increase the performance of a distributed computing environment.
		The Andrew file system was developed at Carnegie-Mellon University.
		Find white papers, products and vendors related to Andrew file system.
	searchcrm.techtarget.com /gDefinition/0,294236,sid20_gci213766,00.html (122 words)

	Amazon.co.uk: Managing AFS: Andrew File System: Books: Richard Campbell (Site not responding. Last check: 2007-10-23)
		Intended for UNIX system administrators, this work explains how to manage AFS to its greatest effect, including the installation of an adequate server setup to handle thousands of clients with a minimum if administrator and hardware overhead.
		It shows how AFS solved the distributed file system problem, and covers how to extend AFS usage to very large sites.
		Be the first person to review this item.
	www.amazon.co.uk /Managing-AFS-Andrew-File-System/dp/0138027293 (197 words)

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