Oracle 11g实时应用集群下的高可用弹性架构数据库升级  

Upgrading database with high availability and elastic architecture under Oracle 11g RAC

作　　者：成雄[1] 赵雪雷[1] 叶晓景 左艳荣[1] 黄智勇[1] 

机构地区：[1]解放军113医院信息科,浙江宁波315040

出　　处：《医疗卫生装备》2015年第5期57-59,共3页Chinese Medical Equipment Journal

摘　　要：目的:将"军卫一号"系统从单点运算模式升级到Oracle实时应用集群(real application cluster,RAC)模式,排除业务系统的单点故障,保障医疗数据安全,易于将来的系统升级和部署。方法:搭建RAC软硬件环境,进行数据库升级,部署Data Guard。结果:系统升级后,数据库可以达到高可用性和高效性,可在更少停机的情况下对数据库进行维护和升级,缩短业务系统停机时间。结论:此次升级使数据库系统从原来的单节点刚性架构优化为多节点的弹性架构,在提升系统性能的同时提高了安全性和可扩展性。Objective To upgrade No.1 Military Medical Project from single operation to Oracle RAC to eliminate single failure of the operation system, protect medical data and lay a foundation for the following upgrade and deployment.Methods RAC software and hardware environment was constructed for database upgrade and deployment of Data Guard.Results The database was gifted with high availability and high performances, and database maintenance and upgrade could be carried out with the operation system less ceased than before. Conclusion The database is upgraded from a single-mode rigid architecture to a multi-mode elastic one, with the performances, safety and extendibility enhanced greatly.

关 键 词：军卫一号 ORACLE 升级 RAC Data GUARD 

分 类 号：TP311.13[自动化与计算机技术—计算机软件与理论] R82[自动化与计算机技术—计算机科学与技术]