全部 标题 作者
关键词 摘要

OALib Journal期刊
ISSN: 2333-9721
费用:99美元

查看量下载量

相关文章

更多...

动态部署与分块存储策略的数据恢复模型

DOI: 10.3969/j.issn.1006-7043.201311007

Keywords: 数据恢复模型, 数据动态恢复, 分布式编码解码, 数据冗余存储, 分块存储, 动态部署

Full-Text   Cite this paper   Add to My Lib

Abstract:

基于分布式编码存储和多副本策略,及基于分块存储和动态恢复技术可以有效提升数据的可靠性。而采用特定策略将编码存储、分块冗余存储、动态恢复技术有机融合则可以进一步提升数据的可靠性,同时目前缺少有效的模型来度量基于这种策略的数据可靠性。本文提出了多个数据恢复模型(数据失效概率模型),模型考虑了存储节点数、节点可靠性、数据分块数、网络状态、恢复速度等因素。模拟分析显示在特定的存储策略和网络环境下,模型能有效输出数据可靠性,与传统的完全(分块)副本存储、编码存储进行了比较,模型具有更高的可靠性。分析了正常和异常网络环境,增强了模型的可用性。

References

[1]  陈兰香,许力.云存储服务中可证明数据持有及恢复技术研究[J].计算机研究与发展, 2012, 49: 19-25.CHEN Lanxiang, XU Li.Cloud storage service can prove data held and recovery technology[J].Computer Research and Development, 2012, 49: 19-25.
[2]  孟小峰,慈祥.大数据管理:概念、技术与挑战[J].计算机研究与发展, 2013, 50(1): 146-169. MENG Xiaofeng,CI Xiang.Big data management:concepts,technology,and challenges[J]. Computer Research and De-velopment, 2013, 50(1): 146-169.
[3]  YU Xiangzhan,WU Guanjun. An disaster tolerance model based on dataflow replication[C]//Proceedings of the 2008 IEEE International Conference on Information Automation.Zhangjiajie,China, 2008: 1590-1594.
[4]  PITKANEN M,MOUSSA R.Erasure codes for increasing the availability of grid data storage[C]//International Conference on Internet and Web Applications and Services -AICT/ICIW’06. Guadeloupe, France, 2006: 1-10.
[5]  曲明成,吴翔虎,廖明宏,等.一种数据网格容灾存储模型及其数据失效模型[J].电子学报,2010(2):315-320. QU Mingcheng,WU Xianghu,LIAO Minghong,et al.A data grid disaster recovery storage model and its data failure model[J]. Chinese Journal of Electronics, 2010(2): 315-320.
[6]  WILKINS R S, DU Xing. Disaster tolerant wolfpack geo-clusters[C]//Proceedings of the 2002 IEEE International Conference on Cluster Computing. Chicago, USA, 2002: 1-6.
[7]  WANG Yanlong, LI Zhanhuai. RWAR: a resilient window-consistent asynchronous replication protocol[C]//Proceedings of the The SecO International Conference Availability, Relaibilityand Security. Vienna, Austria, 2007: 499-505.
[8]  YANG C T, WANG S Y, WILLIAM C C. Implementation of a dynamic adjustment strategy for parallel file transfer in co-allocation data grids[J]. J Supercomput, 2010, 54: 180-205.
[9]  GHEMAWAT S, GOBIOFF H, SHUN T L.The Google file system[C]//SOSP’03. New York, USA, 2003: 1-15.
[10]  The hadoop distributed file system: Architecture and design[EB/OL].[2013-09-13].http://hadoop.apache.org/common/docs/r0.18.0/hdfs_design.pdf.
[11]  曲明成,吴翔虎,廖明宏,等.一种数据网格存储模型与并行传输调度算法[J].高技术通讯, 2010, 20(1): 26-32.QU Mingcheng, WU Xianghu, LIAO Minghong, et al. A data grid storage model and scheduling algorithm for parallel transmission[J].High-tech Communications, 2010, 20(1): 26-32.

Full-Text

Contact Us

service@oalib.com

QQ:3279437679

WhatsApp +8615387084133