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The Technology of Disk Array Striping Based on Genetic Algorithms

机译:基于遗传算法的磁盘阵列条带化技术

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Storage subsystem performance has been a bottleneck of improving computer system performance. In order to minimize the disk response time for every file access request, choosing a near-optimal striping unit is one good way. In this paper, we present a new scheme based on Disk Striping and Genetic Algorithms to choose the striping unit. We establish the relationship between the disk response time and the striping unit, and then through designing proper Genetic Algorithms, we can obtain a near-optimal striping unit in the case of different request sizes and different request arrival rates. Computer simulations are conducted to evaluate the performance of the algorithm. The results show that the proposed algorithm is correct and effective.
机译:存储子系统的性能一直是提高计算机系统性能的瓶颈。为了使每个文件访问请求的磁盘响应时间最短,选择接近最佳的条带化单元是一种好方法。在本文中,我们提出了一种基于磁盘条带化和遗传算法的新方案来选择条带化单元。我们建立了磁盘响应时间和条带化单元之间的关系,然后通过设计适当的遗传算法,可以在不同的请求大小和不同的请求到达率的情况下获得接近最佳的条带化单元。进行计算机仿真以评估算法的性能。结果表明,该算法是正确有效的。

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