今天给客户做数据恢复,发现必须使用隐藏参数_allow_resetlogs_corruption,结果一用报出了ORA-00600 2662的错误。客户那边说丢失了一个数据文件CUUG.DBF,只有一个以前的冷备份(结果就备份了这一个数据文件............#@#@¥...)。接管客户系统时,那边dba已经将控制文件重建了。无语中......将以前的数据文件拷贝回来,重新注册归档日志后,开始恢复。报错:
- 提示ORA-01547: warning: RECOVER succeeded but OPEN RESETLOGS would get error below
- ORA-01194: file 1 needs more recovery to be consistent
- ORA-01110: data file 1: "/opt/Oracle/product/10.2.0/oradata/orcl1/system01.dbf"
看下数据文件的SCN:
- SQL> select CHECKPOINT_CHANGE# from v$datafile_header;
-
- CHECKPOINT_CHANGE#
- ------------------
- 591931
- 591931
- 591931
- 591931
- 505927
然后看下归档日志:
- /opt/oracle/product/10.2.0/flash_recovery_area/ORCL1/archivelog/2012_05_19/o1_mf_1_9_7vh78q75_.arc 591800 591805
- /opt/oracle/product/10.2.0/flash_recovery_area/ORCL1/archivelog/2012_05_19/o1_mf_1_8_7vh78gwc_.arc 590306 591800
- /opt/oracle/product/10.2.0/flash_recovery_area/ORCL1/archivelog/2012_05_19/o1_mf_1_10_7vh7b2xs_.arc 591805 591931
这眼看普通恢复没戏了.....归档日志不连续。开启隐藏参数sql>
alter system
set "_allow_resetlogs_corruption"=
true scope=spfile;再次尝试打开数据库,开始提示ORA-00600错误了。
- Wed May 23 15:06:44 2012
- SMON: enabling cache recovery
- Wed May 23 15:06:44 2012
- Errors in file /opt/oracle/product/10.2.0/admin/orcl1/udump/orcl1_ora_4268.trc:
- ORA-00600: internal error code, arguments: [2662], [0], [545944], [0], [590505], [4194313], [], []
- Wed May 23 15:06:44 2012
- Incremental checkpoint up to RBA [0x1.3.0], current log tail at RBA [0x1.3.0]
- Wed May 23 15:06:44 2012
- Errors in file /opt/oracle/product/10.2.0/admin/orcl1/udump/orcl1_ora_4268.trc:
- ORA-00600: internal error code, arguments: [2662], [0], [545944], [0], [590505], [4194313], [], []
- Wed May 23 15:06:44 2012
- Error 600 happened during db open, shutting down database
- USER: terminating instance due to error 600
- Instance terminated by USER, pid = 4268
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