| 廉价冗余磁盘阵列（RAID）可靠性研究 |
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| 引用本文： | 祝夭龙,裴先登,周学仁,杨荫溥.廉价冗余磁盘阵列（RAID）可靠性研究[J].系统工程与电子技术,1996(8). |
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| 作者姓名： | 祝夭龙 裴先登 周学仁 杨荫溥 |
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| 作者单位： | 航天工业总公司七○六所，华中理工大学 |
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| 摘 要： | 在目前ＲＡＩＤ的可靠性研究中，几乎没有考虑磁盘硬错对ＲＡＩＤ可靠性的影响。本文从单盘数据可靠性的分析入手，提出了磁盘数据可靠性的几个新概念。然后，研究了磁盘硬错对磁盘阵列可靠性的影响，从而提出了新的磁盘阵列可靠性的模型。典型的数字结果表明在磁盘阵列的可靠性研究中必须考虑磁盘硬错的影响。
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| 关 键 词： | 磁盘，阵列，可靠性，马尔可夫算法 |
Reliability Analysis of Redundant Array of Inexpensive Disks(RAID) |
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| Zhu Yaolong.Reliability Analysis of Redundant Array of Inexpensive Disks(RAID)[J].System Engineering and Electronics,1996(8). |
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| Authors: | Zhu Yaolong |
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| Institution: | Zhu Yaolong(Beijing Institute of Data Processing Technology CASC. 100854)Pei Xiandeng(Huazhong University of Science and Technoloy. Wuhan 430074)Zhou Xueren and Yang Yinpu(Beijing Institute of Data Processing Technology CASC. 100854) |
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| Abstract: | Few consideration is given to the effects of magnetic disk hard errors on the reliability of Redundant Array of Inexpensive Disks (RAID) in the reliability study of RAID now. Based on the analysis of the single disk data reliability. this paper provides new concepts of disk data reliability and presents. a new reliability model of RAID. The typical results show that the effect of disk hard errors must be considered in study on the reliability of RAID. |
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| Keywords: | Magnetic disk Reliability Markov model Arrays |
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