| 一种新的Linux主机冗余存储路径设计与实现 |
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| 引用本文： | 郭晓金,王超. 一种新的Linux主机冗余存储路径设计与实现[J]. 电视技术, 2012, 36(3): 70-73 |
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| 作者姓名： | 郭晓金 王超 |
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| 作者单位： | 重庆邮电大学通信与信息工程学院,重庆,400065 |
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| 摘 要： | 提出一种新的基于Linux主机的设备驱动程序多路径软件设计方法,用来控制对存储设备的访问,实现主机到存储设备之间的路径选择,提高主机与存储设备之间的路径可靠性与性能。在有多路径软件的情况下,多路径就可以屏蔽冗余设备、避免造成混淆,并且创建一个新的设备,由新的设备去对应多条通路。模拟结果显示,本方案能很好地解决多路径的路径选择、路径切换以及负载均衡问题,极大地提高了I/O的性能。
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| 关 键 词： | 多路径 Linux 存储 I/O流程 |
New Kind of Multi-path Management Software Design and Implementation |
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| GUO Xiaojin , WANG Chao. New Kind of Multi-path Management Software Design and Implementation[J]. Ideo Engineering, 2012, 36(3): 70-73 |
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| Authors: | GUO Xiaojin WANG Chao |
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| Affiliation: | (College of Communication and Information Engineering,Chongqing University of Posts and Telecommunications,Chongqing 400065,China) |
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| Abstract: | In this paper,a new host-Linux-based multipath device driver software design methods is presented to control access to storage devices,and to improve the path reliability and performance.In the case of multiple path software,multipath redundant equipment can be shielded,to avoid confusion and create a new device,and use the new device to correspond to multiple paths.The simulation results show that this scheme can be a very good solution,the path of switching and load balance problems,greatly enhancing the I/O performance. |
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| Keywords: | multi-path Linux storage I/O process |
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