Storage (TOS)


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ACM Transactions on Storage (TOS), Volume 7 Issue 1, June 2011

A driver-layer caching policy for removable storage devices
Yuan-Hao Chang, Ping-Yi Hsu, Yung-Feng Lu, Tei-Wei Kuo
Article No.: 1
DOI: 10.1145/1970343.1970344

The growing popularity of flash memory is expected to draw attention to the limitations of file-system performance over flash memory. This work was motivated by the modular designs of operating system components such as bus and device drivers. A...

Fast file existence checking in archiving systems
Saso Tomazic, Vesna Pavlovic, Jasna Milovanovic, Jaka Sodnik, Anton Kos, Sara Stancin, Veljko Milutinovic
Article No.: 2
DOI: 10.1145/1970343.1970345

This article presents a new Fast Hash-based File Existence Checking (FHFEC) method for archiving systems. During the archiving process, there are many submissions which are actually unchanged files that do not need to be re-archived. In this...

PRE-BUD: Prefetching for energy-efficient parallel I/O systems with buffer disks
Adam Manzanares, Xiao Qin, Xiaojun Ruan, Shu Yin
Article No.: 3
DOI: 10.1145/1970343.1970346

A critical problem with parallel I/O systems is the fact that disks consume a significant amount of energy. To design economically attractive and environmentally friendly parallel I/O systems, we propose an energy-aware prefetching strategy...