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ACM Transactions on Storage (TOS), Volume 5 Issue 4, December 2009

Introduction to special issue FAST 2009
Margo Seltzer, Ric Wheeler
Article No.: 11
DOI: 10.1145/1629080.1629081

Preventing history forgery with secure provenance
Ragib Hasan, Radu Sion, Marianne Winslett
Article No.: 12
DOI: 10.1145/1629080.1629082

As increasing amounts of valuable information are produced and persist digitally, the ability to determine the origin of data becomes important. In science, medicine, commerce, and government, data provenance tracking is essential for rights...

Causality-based versioning
Kiran-Kumar Muniswamy-Reddy, David A. Holland
Article No.: 13
DOI: 10.1145/1629080.1629083

Versioning file systems provide the ability to recover from a variety of failures, including file corruption, virus and worm infestations, and user mistakes. However, using versions to recover from data-corrupting events requires a human to...

Cumulus: Filesystem backup to the cloud
Michael Vrable, Stefan Savage, Geoffrey M. Voelker
Article No.: 14
DOI: 10.1145/1629080.1629084

Cumulus is a system for efficiently implementing filesystem backups over the Internet, specifically designed under a thin cloud assumption—that the remote datacenter storing the backups does not provide any special backup services,...

CA-NFS: A congestion-aware network file system
Alexandros Batsakis, Randal Burns, Arkady Kanevsky, James Lentini, Thomas Talpey
Article No.: 15
DOI: 10.1145/1629080.1629085

We develop a holistic framework for adaptively scheduling asynchronous requests in distributed file systems. The system is holistic in that it manages all resources, including network bandwidth, server I/O, server CPU, and client and server memory...

Generating realistic impressions for file-system benchmarking
Nitin Agrawal, Andrea C. Arpaci-Dusseau, Remzi H. Arpaci-Dusseau
Article No.: 16
DOI: 10.1145/1629080.1629086

The performance of file systems and related software depends on characteristics of the underlying file-system image (i.e., file-system metadata and file contents). Unfortunately, rather than benchmarking with realistic file-system images, most...