Oracle DGHA 说明

DGHA是什么?

• DGHA:此脚本针对oracle dataguard设计,使用共享存储存放redo,spfile以及controlfile从而达到了切换数据零丢失。
• 目的: 自动管理主库备库切换以便最少化当机时间
• 由一个的Perl主脚本和几个shell脚本组成

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可采用集中管理模式,可以管理多套数据库集群。
• 原有主备库不需要安装额外的软件模块

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