| Linux实时文件备份系统综述 |
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| 引用本文： | 王晟,王毅. Linux实时文件备份系统综述[J]. 计算机与现代化, 2009, 0(6) |
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| 作者姓名： | 王晟 王毅 |
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| 作者单位： | 安徽大学计算机信号处理与智能研究教育部重点实验室,安徽,合肥,230039 |
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| 摘 要： | 介绍了在内核中如何通过虚拟设备作为用户空间和内核空间交互的桥梁,并替换系统调用的方法,实现通过实时监督某台机器上预先设定的路径,在对这个路径里所有的文件操作动作和内容都会在另一台机器上再现,以达到同步备份的功能.
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| 关 键 词： | 内核对象机制 虚拟设备 进程通信 |
Introduction of Linux Realtime-backup System |
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| WANG Sheng,WANG Yi. Introduction of Linux Realtime-backup System[J]. Computer and Modernization, 2009, 0(6) |
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| Authors: | WANG Sheng WANG Yi |
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| Affiliation: | College of Computer Science and Technology;Anhui University;Hefei 230039;China |
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| Abstract: | This paper introduces how to connect between user space and kernel space by using virtual device and replaces system-call in Linux kernel to monitor some directories in which all modifications of files and subdirectories will be copy to another backup machine.By this way,this paper realizes the synchronization of backup between two machines. |
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| Keywords: | kernel-object mechanism virtual device process communication |
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