Xiaozhou Qiu

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—The performance modeling and analysis of disk arrays is challenging due to the presence of multiple disks, large array caches, and sophisticated array controllers. Moreover, storage manufacturers may not reveal the internal algorithms implemented in their devices, so real disk arrays are effectively black-boxes. We use standard performance techniques to(More)
All enterprise storage systems depend on disk arrays to satisfy their capacity, reliability, and availability requirements. Performance models of disk arrays are useful in understanding the behavior of these storage systems and predicting their performance. We extend prior disk array modeling work by developing an analytical disk array model that(More)
All server storage environments depend on disk arrays to satisfy their capacity, reliability, and availability requirements. In order to manage these storage systems efficiently, it is necessary to understand the behavior of disk arrays and predict their performance. We develop an analytical model that estimates mean performance measures of disk arrays(More)
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