EMIS生产数据库备份方案优化与实施  

Optimization and implementation of EMIS production database backup scheme

作　　者：刘丹凤[1] LIU Danfeng(Institute of Computing Technologies, China Academy of Railway Sciences, Beijing 100081, China)

机构地区：[1]中国铁道科学研究院电子计算技术研究所,北京100081

出　　处：《铁路计算机应用》2017年第8期38-42,共5页Railway Computer Application

摘　　要：对EMIS现场数据库常见的故障进行总结,分析了既有数据库备份策略进行数据恢复的优缺点。结合现场信息系统数据库的实际使用情况,对既有数据库备份方案进行了深入的优化研究,制定了一套易于操作、高可用的数据库新备份方案,并在全路动车所完成了实施与应用,以提高数据库恢复的完整性和连续性,保证信息系统数据的安全性和稳定性。This article summarized the common faults of EMIS field database,analyzed the advantages anddisadvantages of the existing database backup strategy.According to the actual usage of the EMIS field database,the articleoptimized and studied the existing database backup scheme in-depth,made a set of database backup scheme which waseasy to operate and high availability.The scheme was implemented and applied to all of the EMU depots for improving theintegrity and continuity of database recovery,ensuring the security and stability of information system data.

关 键 词：EMIS 数据库 备份优化 实时同步 

分 类 号：U266.2[机械工程—车辆工程] TP39[交通运输工程—载运工具运用工程]