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Real-time support of flash memory file system for embedded applications

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2 Author(s)
Jain, S. ; Dept. of Comput. Sci. & Eng., Arizona State Univ., Tempe, AZ ; Yann-Hang Lee

NAND flash memory has emerged as an attractive proposition for embedded storage applications due to its properties of robustness, low price, a high number of write-erase cycles, and large capacities. To make it suitable for real-time embedded applications, this paper presents the design of a log structured file system that utilizes data redundancy and parallel operations to guarantee bounded read-write access latencies to real-time tasks, in the presence of requests from non real-time tasks. The proposed scheme requires minimal support from the underlying operating system. In addition, the paper proposes a storage scheme to reduce RAM footprint for the log structured file system while preserving reliability and minimal read/write overhead

Published in:

Software Technologies for Future Embedded and Ubiquitous Systems, 2006 and the 2006 Second International Workshop on Collaborative Computing, Integration, and Assurance. SEUS 2006/WCCIA 2006. The Fourth IEEE Workshop on

Date of Conference:

27-28 April 2006