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Volume 33 Issue 09
Sep.  2007
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Journal of Beijing University of Aeronautics and Astronautics  > 2007  >  33(09): 1107-1111.
Liu Shenquan, Lu Qishao, Wang Qiet al. Traveling Waves of the Cahn-Hilliard Equation[J]. Journal of Beijing University of Aeronautics and Astronautics, 1998, 24(5): 584-587. (in Chinese)
Citation: Huang Heqing, Song Xiaohua, Cao Yuet al. File migration strategy based on energy model in heterogeneous storage system[J]. Journal of Beijing University of Aeronautics and Astronautics, 2007, 33(09): 1107-1111. (in Chinese)
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File migration strategy based on energy model in heterogeneous storage system

  • School of Computer Science and Technology, Beijing Institute of Technology, Beijing 100081, China

  • Received Date: 01 Oct 2006
  • Publish Date: 30 Sep 2007
    Abstract
  • File migration strategy in heterogeneous storage system is needed with low migration cost, high efficiency and strong adaptability. Study current file migration strategy, a new file migration strategy based on energy model was presented. The energy model was developed to describe the data access load on the storage units. The energy model was developed to describe the file access rate on storage units. The random early migration scheme was proposed to reduce the performance decline caused by the skewness requests in heterogeneous storage system. The new file migration method based on data access was used to minimize the migration cost. Simulation experiments were performed to prove the efficiency of the file migration strategy based on energy modle. The experimental results show that, compared to the traditional disk cooling strategy, the averagy file access response time and system throughput of the new strategy are higher than that of the traditional disk cooling strategy by about 15%~20%.

     

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  • [1] Tadashi S, Hitoshi N, Yoshimaa O. Efficiency of file migration facility on a UNIX system [J]. Journal of Information Processing Society of Japan, 2001, 36:2-29[2] Gavish B, Sheng O R L. Dynamic file migration in distributed computer systems[J]. Communications of the ACM, 1990, 32(2):177-189[3] Scheuermann P, Weikum G, Zabback P. Data partitioning and load balancing in parallel disk systems[J]. VLDB Journal, 1998, 7 (1):48-66[4] Colarelli D, Grunwald D. Massive arrays idle disks for storage archives .[5] Knuth D E. The art of computer programming:sorting and searching1 vol 3[M]. Hongkong:Addison-Wesley, 1999:168-171[6] Hu Liang, Meng Faner. A dynamic load balancing system based on data migration Proceedings of the Computer Supported Cooperative Work in Design.Sydney:IEEE CS Press, 2004:493-499
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