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ACM Transactions on Storage (TOS), Volume 8 Issue 3, September 2012

Efficient cooperative backup with decentralized trust management
Nguyen Tran, Frank Chiang, Jinyang Li
Article No.: 8
DOI: 10.1145/2339118.2339119

Existing backup systems are unsatisfactory: commercial backup services are reliable but expensive while peer-to-peer systems are cheap but offer limited assurance of data reliability. This article introduces Friendstore, a system that provides...

File system virtual appliances: Portable file system implementations
Michael Abd-El-Malek, Matthew Wachs, James Cipar, Karan Sanghi, Gregory R. Ganger, Garth A. Gibson, Michael K. Reiter
Article No.: 9
DOI: 10.1145/2339118.2339120

File system virtual appliances (FSVAs) address the portability headaches that plague file system (FS) developers. By packaging their FS implementation in a virtual machine (VM), separate from the VM that runs user applications, they can avoid the...

Generalized X-code: An efficient RAID-6 code for arbitrary size of disk array
Xianghong Luo, Jiwu Shu
Article No.: 10
DOI: 10.1145/2339118.2339121

Many RAID-6 codes have been proposed in the literature, but each has its limitations. Horizontal code has the ability to adapt to the arbitrary size of a disk array but its high computational complexity is a major shortcoming. In contrast, the...