Disconnected operation in the Coda file system

Disconnected operation is a mode of operation that enables a client to continue accessing critical data during temporary failures of a shared data repository. An important, though not exclusive, application of disconnected operation is in supporting portable computers. In this paper, we show that di...

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Bibliographic Details
Main Authors: Kistler, James J., Satyanarayanan, M.
Format: Conference Proceeding
Language:English
Subjects:
Information systems > Information storage systems > Storage management
Software and its engineering > Software organization and properties > Contextual software domains > Operating systems > File systems management
Software and its engineering > Software organization and properties > Contextual software domains > Operating systems > Memory management
Software and its engineering > Software organization and properties > Contextual software domains > Operating systems > Memory management > Distributed memory
Software and its engineering > Software organization and properties > Extra-functional properties > Software fault tolerance > Checkpoint > restart
Software and its engineering > Software organization and properties > Software system structures > Distributed systems organizing principles
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Summary:Disconnected operation is a mode of operation that enables a client to continue accessing critical data during temporary failures of a shared data repository. An important, though not exclusive, application of disconnected operation is in supporting portable computers. In this paper, we show that disconnected operation is feasible, efficient and usable by describing its design and implementation in the Coda File System. The central idea behind our work is that caching of data, now widely used for performance, can also be exploited to improve availability.
ISSN:0163-5980
DOI:10.1145/121132.121166