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The improved RAID 5 with the disk cache using the load-balanced destage algorithm

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High-Performance Computing and Networking (HPCN-Europe 1998)

Part of the book series: Lecture Notes in Computer Science ((LNCS,volume 1401))

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Abstract

Write requests are written from the disk cache to the disk array by the destage algorithm and the response time of host read request dominates the performance of the RAID 5. Since RAID is composed of multiple disk, the overal performance at the disk array level is more important than the performance at a disk level. However, previous destage algorithms do not take into consideration the overall performance of the disk array but the optimal performance at an each individual disk, and it may eventually decreases the RAID 5 performance. This paper proposes the load-balanced destage algorithm adopted in the RAID 5 at the disk array level, and shows that the proposed destage algorithm has higher performance than other previous destage algorithms

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References

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Author information

Authors and Affiliations

  1. Department of Computer Engineering, Daejin University, San 11-1 Sundan-ri, 487-800, Pocheon-Kun Kyunggi-do, Korea

    Yun-Seok Chang

  2. Department of Biomedical Engineering, Seoul National University, 28 Yongon-dong, Chongno-gu, 110-799, Seoul, Korea

    Bo-Yeon Kim

Authors
  1. Yun-Seok Chang
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  2. Bo-Yeon Kim
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Editor information

Peter Sloot Marian Bubak Bob Hertzberger

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© 1998 Springer-Verlag Berlin Heidelberg

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Chang, YS., Kim, BY. (1998). The improved RAID 5 with the disk cache using the load-balanced destage algorithm. In: Sloot, P., Bubak, M., Hertzberger, B. (eds) High-Performance Computing and Networking. HPCN-Europe 1998. Lecture Notes in Computer Science, vol 1401. Springer, Berlin, Heidelberg. https://doi.org/10.1007/BFb0037246

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  • DOI: https://doi.org/10.1007/BFb0037246

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  • Publisher Name: Springer, Berlin, Heidelberg

  • Print ISBN: 978-3-540-64443-9

  • Online ISBN: 978-3-540-69783-1

  • eBook Packages: Springer Book Archive

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