基于数据库导出导入功能的煤矿双机热备系统  

Hot standby system of coal mine based on export/import function of database

作　　者：马尊云 殷大发 

机构地区：[1]煤炭科学技术研究院有限公司,北京100029

出　　处：《工矿自动化》2015年第5期95-99,共5页Journal Of Mine Automation

基　　金：中国煤炭科工集团科技创新基金项目(2013ZD010)

摘　　要：针对中小煤矿应用的双机热备需求,提出了一种基于数据库导出导入功能的纯软件形式的煤矿双机热备系统实现方案,详细介绍了系统的同步策略、网络传输及实现流程,并阐述了双机热备的任务切换和上层应用的透明访问等功能及流程。该方案具有效率高、容错性好、部署简单和运行稳定等特点,可满足煤炭行业对双机热备系统的通用技术要求。In view of requirements of hot standby system of small and medium coal mine,the paper proposed an implement scheme of software solution of hot standby system based on export/import function of database.It introduced synchronization strategy,network transmission,implementation process in details,and elaborated functions and processes such as task switching and transparent access.The scheme has characteristics of high efficiency,good fault tolerance,easy deployment and stable operation,and can meet common technical requirements of coal industry to hot standby system.

关 键 词：双机热备 数据库 导出导入 同步策略 任务切换 

分 类 号：TD76[矿业工程—矿井通风与安全]