基于Oracle Data Guard的双机热备策略的设计与实现

Design and Realization of Hot Standby Strategy Based on Oracle Data Guard

随着IT系统的广泛深入应用,其高可用性和容灾能力问题日益成为一个关注的焦点,双机热备及容灾系统的建设对于国防、政府、企业都有着重要的意义.鉴于磁盘阵列等技术未得到军方认证和使用者身份特殊的情况,提出了一种基于Oracle Data Guard技术的数据容灾备份策略,并在实际应用中取得了良好效果.

As IT system becomes a key component of business process,its high availability and disaster tolerance becomes a pressing need.Hot standby and disaster tolerance system has the important significance to national defense,administrations,enterprise.But the technique of disk array is not authenticated by military and user＇s identity is special,so the recovery strategy based on Oracle data guard is presented,and good application effects has been got.