Data Guard 检查二

检查dataguard是否与备用数据库同步。
select thread#,max(sequence#) from v$archived_log where applied=‘YES’ group by thread#;


MRP 进程检查

select process,status,client_process,thread#,sequence#,block#,blocks,delay_mins from v$managed_standby


停止MRP进程
alter database recover managed standby database cancel;

应该看不到了


启动MRP进程
alter database recover managed standby database disconnect from session;

select process,status,client_process,thread#,sequence#,block#,blocks,delay_mins from v$managed_standby;

查看已应用的归档日志
SELECT SEQUENCE#, APPLIED FROM V$ARCHIVED_LOG;

查看报错
select message, to_char(timestamp,‘HH:MI:SS’) timestamp
from v$dataguard_status
where severity in (‘Error’,‘Fatal’)
order by timestamp;

select dest_name,status,error from v$archive_dest where status=‘ERROR’;

SELECT MESSAGE FROM V$DATAGUARD_STATUS;

最后

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