SCFs: A shared cloud-backed file system

Alysson Bessani, Ricardo Mendes, Tiago Oliveira, Nuno Neves, Miguel Correia, Marcelo Pasin, Paulo Verissimo

Research output: Chapter in Book/Report/Conference proceedingConference contribution

40 Scopus citations

Abstract

Despite of their rising popularity, current cloud storage services and cloud-backed storage systems still have some limitations related to reliability, durability assurances and inefficient file sharing. We present SCFS, a cloud-backed file system that addresses these issues and provides strong consistency and near-POSIX semantics on top of eventually-consistent cloud storage services. SCFS provides a pluggable backplane that allows it to work with various storage clouds or a cloud-of-clouds (for added dependability). It also exploits some design opportunities inherent in the current cloud services through a set of novel ideas for cloud-backed file systems: always write and avoid reading, modular coordination, private name spaces and consistency anchors.
Original languageEnglish (US)
Title of host publicationProceedings of the 2014 USENIX Annual Technical Conference, USENIX ATC 2014
PublisherUSENIX Association
Pages169-180
Number of pages12
ISBN (Print)9781931971102
StatePublished - Jan 1 2019
Externally publishedYes

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