表现: 灾备环境,无法继续应用日志. 日志: MRP0: Background Media Recovery terminated with error 1111 Fri Jan 18 15:55:25 2019 Errors in file /oracle/diag/rdbms/orcldg/ORCL/trace/ORCL_dbw0_67731.trc: ORA-01186: file 28 failed verification tests ORA-01157: cannot identif…

APPLIES TO: Oracle Database - Enterprise Edition - Version 9.2.0.1 to 12.1.0.2 [Release 9.2 to 12.1]Information in this document applies to any platform.***Checked for relevance on 26-Sep-2012*** ***Checked for relevance on 8-Jul-2015*** SYMPTOMS Add…

oracle12c data guard,从库无法应用日志,检查alert日至发现 2019-10-21T14:55:40.087819+08:00 MRP0: Background Media Recovery process shutdown (DATA) 查看mrp的trace发现: Trace file /oracle/diag/rdbms/pdDATA/DATA/trace/DATA_mrp0_37206.trc Oracle Database 12c Enterprise Editi…

由于规范存储位置以及存储空间调整缘故需要移动表空间MRP_INDEX2的数据文件,如下所示,首先将表空间MRP_INDEX2脱机; 然后复制数据文件:接着重命名数据文件,最后将表空间MRP_INDEX2联机. 在操作过后,最后一步将表空间MRP_INDEX2联机上线时,出现了意外错误信息,如下所示: SQL> ALTER TABLESPACE MRP_INDEX2 OFFLINE NORMAL;   Tablespace altered.   SQL> !cp /u03/flash_recov…

http://neeraj-dba.blogspot.com/2011/10/ora-10456-cannot-open-standby-database.html   Once while starting my standby database i found that database is not opening in normal mode. It throws the error-10456 :cannot standby database.  On performing some…

SQL> select * from v$version; Oracle Database 11g Enterprise Edition Release 11.2.0.1.0 - 64bit Production   数据库启动到MOUNT状态: SQL> alter database noarchivelog; alter database noarchivelog * ERROR at line 1: ORA-38774: cannot disable media recovery - f…

在物理DG主备库切换时遇到ORA-16139: media recovery required错误 SQL> ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY; ALTER DATABASE COMMIT TO SWITCHOVER TO PRIMARY * ERROR at line 1: ORA-16139: media recovery required 解决办法: --如果报ORA-16139: media recovery required,…

关于RMAN的块恢复.Block是oracle数据库最小恢复单位.鉴于此,BMR可以大大缩短恢复的时间,另外,在进行BMR时不需要停掉数据库,可以直接在数据库open状态对数据文件进行恢复,只是需要恢复的块被锁定无法访问,可以说对应用的影响非常小. 何时需要进行BMR?Block media recovery 不适合用在丢失数据的起点的情况,比如数据文件丢失了,这种情况下做数据文件的介质恢复会是最好的选择.BMR并不是用来取代传统方法的,而是有益的补充. 大多数情况下,数据库将一个block打上…

18.7.Performing Complete User-Managed Media Recovery 完毕一致性备份,把数据库恢复到当前的scn是最好的结果.能够恢复整个数据库.恢复单个表空间.或恢复数据文件.一致性恢复不须要resetlogs打开数据库,非一致性恢复须要resetlogs打开数据库.Backup and Recovery Basics提供了关于介质恢复的信息. 18.7.1.Performing Closed Database Recovery 能够在一个操作中恢复全部损坏…

转自:http://blog.itpub.net/29800581/viewspace-1307267/ 使用rman执行recover database 的时候出现RMAN-06054的错误提示: RMAN> recover database; Starting recover at -OCT- using channel ORA_DISK_1 starting media recovery archived log with sequence is already on disk as fi…