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ACM Transactions on Storage (TOS), Volume 8 Issue 2, May 2012

Transparent Online Storage Compression at the Block-Level
Yannis Klonatos, Thanos Makatos, Manolis Marazakis, Michail D. Flouris, Angelos Bilas
Article No.: 5
DOI: 10.1145/2180905.2180906

In this work, we examine how transparent block-level compression in the I/O path can improve both the space efficiency and performance of online storage. We present ZBD, a block-layer driver that transparently compresses and...

Analysis of Workload Behavior in Scientific and Historical Long-Term Data Repositories
Ian F. Adams, Mark W. Storer, Ethan L. Miller
Article No.: 6
DOI: 10.1145/2180905.2180907

The scope of archival systems is expanding beyond cheap tertiary storage: scientific and medical data is increasingly digital, and the public has a growing desire to digitally record their personal histories. Driven by the increase in cost...

MFTL: A Design and Implementation for MLC Flash Memory Storage Systems
Jen-Wei Hsieh, Chung-Hsien Wu, Ge-Ming Chiu
Article No.: 7
DOI: 10.1145/2180905.2180908

NAND flash memory has gained its popularity in a variety of applications as a storage medium due to its low power consumption, nonvolatility, high performance, physical stability, and portability. In particular, Multi-Level Cell (MLC) flash...