Oracle 11gr2 Data G uard primary 和 standby被切换步骤

1. primary server
确认是主: primary
select database_role from v$database;alter database commit to switchover to physical standby with session shutdown;
shutdown immediate;
startup nomount;
alter database mount standby database;
2.standby server
select database_role from v$database;
physical standby
alter database commit to switchover to primary with session shutdown;alter recover database managed standby database disconnect from session;
shutdown immediate;
startup;
select database_role from v$database;
select switchover_status from v$database; 推荐阅读： RedHat Linux上Oracle 11g从oradata恢复数据 http://www.linuxidc.com/Linux/2012-03/57310.htmpl/sql中显示乱码的解决方法之一Oracle EBS SQL Trace日志收集的方法相关资讯 Oracle入门教程

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