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Storage management strategy of flash-based platform

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Abstract

Storage management strategy can be expressed by a file system. Commercial file system for embedded application is generally complicated and resource wasted. In this paper, a specified file system adapted to embedded system with flash-based memory is developed. To guarantee the average usage of flash storage sectors, the strategy of wear leveling and adaptive damage management is introduced, in which a dynamic storage space management mode and the strategy of first in first out (FIFO) are adopted. Moreover, the strategy of redundancy design and fast-calculation and tracing is also adopted to extend the life of kernel sector, which can guarantee the reliable service of system booting. The practical application in an embedded CNC (computerized numerical control) platform proves that the file system has effective performance. Furthermore, the flash file system can be transplanted to different embedded platforms by changing a few bottom hardware parameters with universality.

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Authors and Affiliations

  1. School of Mechanical Engineering, Tianjin University, Tianjin, 300072, China

    Taiyong Wang  (王太勇), Li Zhao  (赵 丽), Shiguang Hu  (胡世广) & Tao Wang  (王 涛)

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  1. Taiyong Wang  (王太勇)
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  2. Li Zhao  (赵 丽)
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  3. Shiguang Hu  (胡世广)
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  4. Tao Wang  (王 涛)
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Corresponding author

Correspondence to Taiyong Wang  (王太勇).

Additional information

Supported by National Natural Science Foundation of China (No.50475117) and Specialized Research Fund for the Doctoral Program of Higher Education of China (No.20060056016).

WANG Taiyong, born in 1962, male, Dr, Prof.

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Wang, T., Zhao, L., Hu, S. et al. Storage management strategy of flash-based platform. Trans. Tianjin Univ. 15, 266–271 (2009). https://doi.org/10.1007/s12209-009-0047-9

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  • DOI: https://doi.org/10.1007/s12209-009-0047-9

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