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本文建立了中央Ｃａｃｈｅ磁盘阵列结构的排队模型，在一定假设条件下，推导出了系统Ｉ／Ｏ请求平均响应时间公式和系统可服务的最大Ｉ／Ｐ率公式，并总结了影响中央Ｃａｃｈｅ磁盘阵列结构性能的主要因素。
In this paper, the queuing model of the central Cache disk array structure is established. Under certain assumptions, the average response time formula of the system I / O request and the maximum I / P rate formula that the system can serve are deduced. The impact of the central Cache disk array Structural performance of the main factors.