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dg设置auto failover
dg设置auto failoverauto failover即设置Fast-Start FailoverEnabling fast-start failover does not trigger a failover. Instead, it allows the observer to begin observing the primary and standby data...
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broker 学习
配置先决条件[1]server parameter file 启动数据库[2]DG_BROKER_START设置true[]3如果配置环境有rac 则必须配置DG_BROKER_CONFIG_FILEn参数指向共享文件 其可以存储在CFS 、裸设备、asm上[4]网络联通[5]必须配置loca...
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dg简化 failover
dg failoverTo perform. the failover operation, you must connect to the standby database towhich you want to fail over using the SYSDBA username and password of that databaseDGMGRL> connect sys/orcl@rh...
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dg broker 创建dg &switchover
instance to instance + dg broker创建备库前：---------主库修改tnsnames.ora 分别添加instance entry tnsping net_service_name 测试是否连通修改主库 rha实例参数文件alter system set log_archive_dest_1=...
