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提出了一种新的RAID结构扩展方法,其扩展速度大大优于平凡方法。通过仿真实验表明,与标准RAID结构相比,新的扩展方法产生的布局结构只在某些特定的访问模式下性能稍差,而对于常见的多用户并发访问模式,两者性能几乎没有差距。
A new method of RAID structure expansion is proposed, which is much faster than ordinary method. The simulation results show that the layout structure of the new extension method is only slightly worse than that of the standard RAID structure in some specific access modes. For the common multi-user concurrent access mode, there is almost no gap between the two.