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基于增量服务器的持续数据保护机制 被引量：1

Continuous Data Protection Mechanism Based on Increment Server
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摘要 分析当前块级持续数据保护中存在的问题,提出一种基于增量服务器的持续数据保护机制。在TRAP-4机制的基础上,改变日志链的生成方式及相关数据的压缩方法,定期对日志链的正确性进行验证,将持续性数据保护的主要工作转移到增量服务器上,从而减轻服务系统的工作负担。实验结果验证了该机制的有效性。 This paper analyzes the problems in the current block-level Continuous Data Protection（CDP）,a CDP mechanism based on increment backup server is proposed.On the basis of TRAP-4,this paper improves the generation mode of log chain and compression methods of related data,validates the correctness of the log link periodically.The main work of continuous data protection is migrated to the increment backup server,then the workload of server system is alleviated effectively.Experimental results prove the validity of the mechanism.
作者 毛秀青 陈性元 杨英杰 牛超
机构地区 解放军信息工程大学电子技术学院
出处 《计算机工程》 CAS CSCD 2012年第12期48-51,共4页 Computer Engineering
基金 国家"863"计划基金资助项目(2009AA01Z438) 河南省基础与前沿技术研究计划基金资助项目(102300413203)
关键词 持续数据保护 增量服务器 日志链 数据容灾 数据备份 Continuous Data Protection（CDP） increment server log chain data disaster-tolerance data backup
分类号 TP311 [自动化与计算机技术—计算机软件与理论]
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参考文献8

  • 1Keeton K,Santos C,Beyer D,et al.Designing for Disasters[C]//Proc.of the 3th USENIX Conference on File and StorageTechnologies.San Francisco,CA,USA:USENIX Association,2004.
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二级参考文献12

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计算机工程
2012年 第12期

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