今天巡检库时候发现备库未启动,监控agent也被人关闭了,手动启动
按照日志惯例打开备库(read_only),但是在open的过程中显示以下错误
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- Standby crash recovery Failed to bring standby database to a consistent
- point because needed redo hasn't arrived yet.
- MRP: Wait timeout: thread 1 sequence# 173
- Standby Crash Recovery aborted due to error 16016.
- Errors in file /u01/app/oracle/diag/rdbms/orcl_st1/orcl/trace/orcl_ora_29639.trc:
- ORA-16016: archived log for thread 1 sequence# 173 unavailable
- Recovery interrupted!
- Some recovered datafiles maybe left media fuzzy
- Media recovery may continue but open resetlogs may fail
- Completed Standby Crash Recovery.
- Errors in file /u01/app/oracle/diag/rdbms/orcl_st1/orcl/trace/orcl_ora_29639.trc:
- ORA-10458: standby database requires recovery
- ORA-01196: file 1 is inconsistent due to a Failed media recovery session
- ORA-01110: data file 1: '/u01/app/oracle/oradata/orcl/system01.dbf'
- ORA-10458 signalled during: alter database open...
但是手动应用归档显示已经应用完成,后台查日志备库应用到sequence 173而主库已经应用到214,查看归档目录下,发现归档已经丢失了,由于备机关机未启动导致归档未传送过来.
我们在主库中恢复归档
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- rman target /
- restore archivelog from sequence 173
将恢复出来的日志拷贝到备库
手动注册丢失的归档,这里我用脚本批量处理的;
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- for i in `seq 173 214`;do echo "ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_"$i"_956999399.dbf;'";done
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_173_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_174_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_175_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_176_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_177_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_178_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_179_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_180_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_181_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_182_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_183_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_184_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_185_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_186_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_187_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_188_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_189_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_190_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_191_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_192_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_193_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_194_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_195_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_196_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_197_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_198_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_199_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_200_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_201_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_202_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_203_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_204_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_205_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_206_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_207_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_208_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_209_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_210_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_211_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_212_956999399.dbf';
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ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_213_956999399.dbf';
- ALTER DATABASE REGISTER LOGFILE '/u01/archive/1_214_956999399.dbf';
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注:如果归档量比较多可以指定并行度
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主库操作
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- rman target /
- CONfigURE ARCHIVELOG DELETION POLICY TO APPLIED ON STANDBY;
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