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SOAR : Storage Reliability Analyzer  

Kim, Young-Jin (한양대학교 전자컴퓨터통신학과)
Won, You-Jip (한양대학교 전자컴퓨터통신학과)
Kim, Ra-Kie (한양대학교 전자컴퓨터통신학과)
Publication Information
Journal of KIISE:Computer Systems and Theory / v.35, no.6, 2008 , pp. 248-262 More about this Journal
Abstract
As the number of large size multimedia files increases and the importance of individual's digital data grows, storage devices have been advanced to store more data into smaller spaces. In such circumstances, a physical damage in a storage device can destroy large amount of important data. Therefore, it is needed to verify the robustness of various physical faults in storage device before certain systems are used. We developed SOAR(Storage Reliability Analyzer), Storage Reliability Analyzer, to detect physical faults in diverse kinds of HDD hardware components and to recover the systems from those faults. This is a useful tool to verify robustness and reliability of a disk. SOAR uses three unique methods of creating physical damages on a disk and two unique techniques to apply the same feature on file systems. In this paper, we have performed comprehensive tests to verify the robustness and reliability of storage device with SOAR, and from the verification result we could confirm SOAR is a very efficient tool.
Keywords
reliability; robustness; storage; physical faults; badsector;
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