| 实时双头镜像磁盘容错模型的设计及分析 |
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| 引用本文： | 秦啸,韩宗芬,江文毅,庞丽萍.实时双头镜像磁盘容错模型的设计及分析[J].华中科技大学学报(自然科学版),1999,27(7):333. |
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| 作者姓名： | 秦啸 韩宗芬 江文毅 庞丽萍 |
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| 作者单位： | 华中理工大学计算机科学与技术学院 |
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| 摘 要： | 为双头镜像磁盘系统建立错误模型，在该模型的基础上描述了双头镜像磁盘系统的容错调度算法．提出一个实时双头镜像磁盘系统的实时容错模型，并对容错性能进行了详细分析，推导出系统在完成一个实时Ｉ／Ｏ任务时的失败概率．该容错模型的建立将使实时双头镜像磁盘系统具有更强的健壮性．
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| 关 键 词： | 双头镜像磁盘 实时容错调度算法 I/O请求 错误模型 性能评价 |
| 修稿时间： | 1999-02-01 |
Design and Analysis of Fault-Tolerant Model for Real-Time and Two-Headed Mirrored Disk Systems |
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| Qin Xiao,Han Zongfen,Jiang Wenyi,Pang Liping.Design and Analysis of Fault-Tolerant Model for Real-Time and Two-Headed Mirrored Disk Systems[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,1999,27(7):333. |
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| Authors: | Qin Xiao Han Zongfen Jiang Wenyi Pang Liping |
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| Abstract: | A fault tolerant model for two headed
mirrored disk system is presented. Based on such model, a fault tolerant disk scheduling
algorithm is described. The probability of the failure of a real time I/O task is derived. The real
time fault tolerant model can result in robustness for the real time two headed mirrored disk
system. |
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| Keywords: | two headed mirrored disk system real time and fault tolerant scheduling algorithm I/O request fault model performance evaluations |
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