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标题:一次断电引起的Oracle故障恢复-ora-600 2662故障
作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]
接手一个oracle恢复case,由于断电导致oracle数据库异常,现场人员进行了一系列的恢复成功,但是没有成功open库,我接手故障之后尝试做recover 报ORA-16433错误
[oracle@xifenfei.com ~]$ sqlplus / as sysdba SQL*Plus: Release 11.2.0.4.0 Production on Sun May 10 09:27:51 2026 Copyright (c) 1982, 2013, Oracle. All rights reserved. Connected to: Oracle Database 11g Enterprise Edition Release 11.2.0.4.0 - 64bit Production With the Partitioning, OLAP, Data Mining and Real Application Testing options SQL> SQL> recover database; ORA-00283: recovery session canceled due to errors ORA-16433: The database must be opened in read/write mode.
根据经验这种错误一般是由于强制打开库失败导致,回溯oracle alert日志发现类似操作
Fri May 08 18:47:59 2026 ALTER DATABASE OPEN RESETLOGS RESETLOGS is being done without consistancy checks. This may result in a corrupted database. The database should be recreated. RESETLOGS after incomplete recovery UNTIL CHANGE 138986145572 Errors in file /data/oracle/diag/rdbms/xff/xff/trace/xff_ora_37813.trc: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: '/data/oracle/oradata/xff/redo01.log' ORA-27037: unable to obtain file status Linux-x86_64 Error: 2: No such file or directory Additional information: 3 Clearing online redo logfile 1 /data/oracle/oradata/xff/redo01.log Clearing online log 1 of thread 1 sequence number 2389 Errors in file /data/oracle/diag/rdbms/xff/xff/trace/xff_ora_37813.trc: ORA-00313: open failed for members of log group 1 of thread 1 ORA-00312: online log 1 thread 1: '/data/oracle/oradata/xff/redo01.log' ……………… Clearing online redo logfile 3 complete Resetting resetlogs activation ID 677485461 (0x28619b95) Online log /data/oracle/oradata/xff/redo01.log: Thread 1 Group 1 was previously cleared Online log /data/oracle/oradata/xff/redo02.log: Thread 1 Group 2 was previously cleared Online log /data/oracle/oradata/xff/redo03.log: Thread 1 Group 3 was previously cleared Fri May 08 18:48:17 2026 Setting recovery target incarnation to 4 Fri May 08 18:48:17 2026 Assigning activation ID 677634815 (0x2863e2ff) Thread 1 opened at log sequence 1 Current log# 1 seq# 1 mem# 0: /data/oracle/oradata/xff/redo01.log Successful open of redo thread 1 MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set Fri May 08 18:48:18 2026 SMON: enabling cache recovery Errors in file /data/oracle/diag/rdbms/xff/xff/trace/xff_ora_37813.trc (incident=170321): ORA-00600: internal error code, arguments: [2662], [32], [1547192107], [32], [1547212241], [12583040], [] Fri May 08 18:48:20 2026 Use ADRCI or Support Workbench to package the incident. See Note 411.1 at My Oracle Support for error and packaging details. Errors in file /data/oracle/diag/rdbms/xff/xff/trace/xff_ora_37813.trc: ORA-00600: internal error code, arguments: [2662], [32], [1547192107], [32], [1547212241], [12583040] Errors in file /data/oracle/diag/rdbms/xff/xff/trace/xff_ora_37813.trc: ORA-00600: internal error code, arguments: [2662], [32], [1547192107], [32], [1547212241], [12583040] Error 600 happened during db open, shutting down database USER (ospid: 37813): terminating the instance due to error 600 Instance terminated by USER, pid = 37813 ORA-1092 signalled during: ALTER DATABASE OPEN RESETLOGS...
对于这种情况,先重建控制文件
SQL> @/tmp/rectl.sql Control file created.
尝试recover database恢复
ALTER DATABASE RECOVER database Media Recovery Start started logmerger process Parallel Media Recovery started with 96 slaves Sun May 10 09:33:03 2026 Recovery of Online Redo Log: Thread 1 Group 2 Seq 2 Reading mem 0 Mem# 0: /data/oracle/oradata/xff/redo02.log Errors in file /data/oracle/diag/rdbms/xff/xff/trace/xff_pr00_250074.trc (incident=254397): ORA-00353: log corruption near block 3 change 138986165586 time 05/08/2026 18:55:37 ORA-00312: online log 2 thread 1: '/data/oracle/oradata/xff/redo02.log' Incident details in: /data/oracle/diag/rdbms/xff/xff/incident/incdir_254397/xff_pr00_250074_i254397.trc Sun May 10 09:33:04 2026 Media Recovery failed with error 399 Errors in file /data/oracle/diag/rdbms/xff/xff/trace/xff_pr00_250074.trc: ORA-00283: recovery session canceled due to errors ORA-00399: corrupt change description in redo log ORA-00353: log corruption near block 3 change 138986165586 time 05/08/2026 18:55:37 ORA-00312: online log 2 thread 1: '/data/oracle/oradata/xff/redo02.log' ORA-10877 signalled during: ALTER DATABASE RECOVER database ... Sun May 10 09:33:04 2026 Sweep [inc][254397]: completed Errors in file /data/oracle/diag/rdbms/xff/xff/trace/xff_m000_250348.trc (incident=255173): ORA-00353: log corruption near block 3 change 138986165586 time 05/08/2026 18:55:37 ORA-00312: online log 2 thread 1: '/data/oracle/oradata/xff/redo02.log' Errors in file /data/oracle/diag/rdbms/xff/xff/incident/incdir_254397/xff_m000_250348_i254397_a.trc: ORA-00399: corrupt change description in redo log ORA-00353: log corruption near block 3 change 138986165586 time 05/08/2026 18:55:37 ORA-00312: online log 2 thread 1: '/data/oracle/oradata/xff/redo02.log' Errors in file /data/oracle/diag/rdbms/xff/xff/incident/incdir_254397/xff_m000_250348_i254397_a.trc: ORA-00399: corrupt change description in redo log ORA-00353: log corruption near block 3 change 138986165586 time 05/08/2026 18:55:37 ORA-00312: online log 2 thread 1: '/data/oracle/oradata/xff/redo02.log' Sun May 10 09:34:05 2026
由于无法正常recover 操作,数据库需要强制打开,考虑到之前该库open的过程有ORA-600 2662错误,这次在打开之前使用Patch_SCN调整SCN(关于Patch_SCN文章:Patch_SCN for Linux 功能完善
[oracle@xifenfei.com tmp]$ ./Patch_SCN 249756 0x205D38954E Successfully obtained address automatically: 0x6001ae70 Original Oracle SCN at Address 0x6001ae70: 0x0 Are you sure you want to modify Oracle SCN? (yes/no): yes New SCN at Address 0x6001ae70: 0x205d38954e Oracle SCN successfully modified.
在expdp导出数据过程中遇到了硬件错误


为了安全性采用库只读情况下exp进行导出,运气不错所有数据顺利导出,完成本次数据恢复任务


