本文主要是介绍ADG切换脚本,希望对大家解决编程问题提供一定的参考价值,需要的开发者们随着小编来一起学习吧!
--查看主备库的切换状态
set linesize 200
select name,log_mode,open_mode,database_role,protection_mode,switchover_status from v$database;
--查看归档日志
archive log list;
select thread#,sequence#,first_time,next_time,applied from v$archived_log where thread#=1 order by 4;
select thread#,sequence#,first_time,next_time,applied from v$archived_log where thread#=2 order by 4;
--日志接收延迟
select value from v$dataguard_stats where name='transport lag';
--日志应用延迟
select value from v$dataguard_stats where name='apply lag';
--主库切换
shutdown immediate;(2)
alter database commit to switchover to physical standby with session stutdown;
--备库切换
alter database commit to switchover to primary;
shutdown immediate;
startup
--应用日志
startup
recover managed standby database using current logfile disconnect from session;
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