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The Architecture of the Flash Memory Storage System using Page Delete Information  

Jung, Ho-Young (한양대학교 전자컴퓨터통신)
Park, Sung-Min (한양대학교 전자컴퓨터통신)
Kang, Soo-Yong (한양대학교 컴퓨터)
Cha, Jae-Hyuk (한양대학교 컴퓨터)
Publication Information
Journal of KIISE:Computing Practices and Letters / v.15, no.12, 2009 , pp. 958-962 More about this Journal
Abstract
Flash memory, which replaces hard disk recently, has different physical characteristics with hard disk. For the performance of flash memory based storage system, many researches over OS and file system layers has been doing. In this paper, we propose the architecture of flash memory based storage which uses information of page invalidation when file deletion occurs from upper layer. Also, we evaluate the performance of proposed system. Proposed system effectively increases IO performance by using page invalidation information to block merge and wear leveling algorithms.
Keywords
flash memory; storage system; file system; page invalidation;
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