| RAID在线数据重建方法仿真器设计 |
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| 引用本文： | 田磊,冯丹.RAID在线数据重建方法仿真器设计[J].华中科技大学学报(自然科学版),2010(5). |
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| 作者姓名： | 田磊 冯丹 |
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| 作者单位： | 华中科技大学计算机科学与技术学院;华中科技大学武汉光电国家实验室(筹); |
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| 基金项目： | 国家重点基础研究发展计划资助项目(2004CB31820); 国家高技术研究发展计划资助项目(2009AA01A402); 教育部创新团队资助项目(IRT-0725) |
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| 摘 要： | 在磁盘系统仿真器DiskSim的基础上,提出了一种独立冗余磁盘阵列在线数据重建方法仿真器的设计方案和实现机制.该仿真器以事件驱动的方式与主磁盘系统仿真器进行信息交互,并支持对2种常用的磁盘阵列重建方法(流水重建方法和面向磁盘的重建方法)的功能和性能仿真.仿真结果证明了磁盘阵列在线数据重建方法仿真器的有效性.
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| 关 键 词： | 数据重建 存储 仿真器 独立冗余磁盘阵列 流水重建 面向磁盘的重建 |
Designing an on-line data reconstruction simulator for RAID |
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| Tian Leia,b Feng Dana,b.Designing an on-line data reconstruction simulator for RAID[J].JOURNAL OF HUAZHONG UNIVERSITY OF SCIENCE AND TECHNOLOGY.NATURE SCIENCE,2010(5). |
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| Authors: | Tian Leia b Feng Dana b |
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| Institution: | Tian Leia,b Feng Dana,b(a College of Computer Science and Technology,b Wuhan National Laboratory for Optoelectronic,Huazhong University of Science and Technology,Wuhan 430074,China) |
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| Abstract: | An on-line data reconstruction simulator for redundant arrays of independent disk(RAID) was designed and implemented by using disk system simulator DiskSim.In the simulator,reconstruction simulator communicates the control messages with the DiskSim simulator in an event-driven manner,and simulates two most common reconstruction approaches(pipelined recovery and disk-oriented recovery) as case studies.The simulation result analysis demonstrates its effectiveness. |
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| Keywords: | data reconstruction storage simulators redundant arrays of independent disk(RAID) pipelined recovery disk-oriented recovery |
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