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一种共享式存储系统的备份与恢复 预览

Backup and Recovery of Shared Storage System
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摘要 摘VSVM是具有迭代式快照机制的逻辑卷管理系统.该文针对VSVM的应用性能和系统构成提出了备份/恢复的机制与方法,使VSVM逻辑卷上的用户数据及逻辑卷间快照结构都能得到保护和恢复,保持了VSVM与快照结构相关的性能特性.逻辑卷备份数据与快照创建时刻数据状态被独立分开,其余的机制和方法在此基础上使系统能够支持逻辑卷间彼此独立的备份策略,保证数据备份与恢复的步骤的简单性,为数据的实际备份应用带来方便. VSVM is a logical volume manager providing an ordinary-application-oriented iterative snapshot mechanism. This paper presents a series of backup/recovery mechanisms and methods that focus on VSVM performance and system construction to protect and restore user's data on volumes and the snapshot logic of these volumes, which can further maintain snapshot-logic-based system performance. The backup data of a (snapshot) volume is independent of its exactly initial data status. Based on that, other mechanisms and methods enable VSVM to support independent backup policies on different logical volumes, while maintaining the simplicity of data backup and recovery processes.
作者 刘振军 徐伟 贺翔 许鲁 LIU Zhenjun, XU Wei, HE Xiang, XU Lu ( 1. Institute of Computing Technology, Chinese Academy of Sciences, Beijing 100080; 2. Graduate School, Chinese Academy of Sciences, Beijing 100039)
出处 《计算机工程》 CAS CSCD 北大核心 2007年第10期 240-242,共3页 Computer Engineering
基金 国家自然科学基金资助项目“面向网络存储的集群系统的体系结构”(60373045)
关键词 备份 迭代快照 共享存储 虚拟存储 Backup Iterative snapshot Shared storage Virtual storage
作者简介 刘振军(1976-),男,博士生,主研方向:备份容灾,网络存储;E-mail:liuzj@ict.ac.cn 徐伟,博士生; 贺翔,硕士生; 许鲁,博士、研究员、博导
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参考文献4

  • 1Peterson M.Solving Top Storage Problems--Where IT Is Spending in 2004[Z].http://www.sresearch.com/. 被引量:1
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二级参考文献8

  • 1Chandra A., Goyaly P., Shenoy P.. Quantifying the benefits of resource multiplexing in on-demand data centers. Department of Computer Science, University of Massachusetts, Amherst: Technical Report TR03-03, 2003 被引量:1
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  • 7文献[1]中研究的综合性能是将服务(器)再分配的粒度和频度、系统提供的服务量、资源额外配置的总量和系统负载预测的精度等因素综合考虑而得出的按需部署系统的性能参考. 被引量:1
  • 8Bonnie的原始版本不能直接进行读测试,为了不因写入而破坏快照的共享逻辑,我们对其进行了修改. 被引量:1

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