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FTL 에서의 전력 손실에 관한 사상정보 복구 및 압축 알고리즘
- Author(s)
- 정지환
- Advisor
- 정태선
- Department
- 일반대학원 컴퓨터공학과
- Publisher
- The Graduate School, Ajou University
- Publication Year
- 2017-02
- Language
- eng
- Keyword
- FTL; Power-off recovery; Flash Memory; Compression Algorithm
- Alternative Abstract
- Flash memory has a variety of advantages such as the better performance compare to hard disk, shock resistance, small size, and so on. Therefore the use ratio of flash memory is being increased. And manage flash memory, FTL (Flash Translation Layer) is required. FTL will use the mapping table after loading it in RAM. However, if power-off failure occurs to the flash memory due to the volatility characteristic of RAM, the mapping table stored in the RAM is lost. So in this paper, we propose power-off recovery scheme, called C-HYFLUR. We have applied C-HYFLUR to page mapping FTL and implemented on an embedded platform board, and compared with the existing recovery schemes through several evaluations. Compare to existing recovery schemes, the overhead of C-HYFLUR is negligible.
- Fulltext
- Appears in Collections:
- Graduate School of Ajou University > Department of Computer Engineering > 3. Theses(Master)
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