Balancing the data availability, access performance and the cost of building and maintaining is essential goal for designing remote mirroring system.

平衡数据可用性、存取性能以及构建和维护成本是设计远程镜像系统必须仔细考虑的。

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Based on research and analysis of disaster recovery, network storages, backup and disk array technologies, this thesis designs and implements of a SAN-oriented remote mirroring system.

本文在研究和分析容灾技术、网络存储技术、备份技术、磁盘阵列技术的基础上，设计并实现了一种基于SAN的远程镜像系统。

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The technologies of remote transaction mirroring is a feasible, low investment and well effect disaster backup scheme in finance business system.

提出了远程交易镜像技术的基本思想、组成、工作原理和特点 ，分析和比较该方案与其他几种常用的灾难备份方案的异同点 。

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