ORACLE 8.1.7 数据库ORA-600 4000故障恢复

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标题:ORACLE 8.1.7 数据库ORA-600 4000故障恢复

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在数据库的恢复过程中遇到ORA-600 4000错误挺多的,但是在oracle 8i(8.1.7)中遇到此类问题,还是第一次,做个记忆,供参考:
数据库故障起因:因为存储异常,导致当前redo损坏,并_allow_resetlogs_corruption参数尝试打开数据库

Media Recovery Log 
kcrrga: Warning.  Log sequence in archive filename wrapped
to fix length as indicated by %S in LOG_ARCHIVE_FORMAT.
Old log archive with same name might be overwritten.
ORA-279 signalled during: ALTER DATABASE RECOVER  database using backup cont...
Wed Aug 20 23:01:43 2014
ALTER DATABASE RECOVER    CANCEL  
Media Recovery Cancelled
Completed: ALTER DATABASE RECOVER    CANCEL  
Wed Aug 20 23:01:50 2014
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 262618871
Wed Aug 20 23:01:50 2014
Thread 1 opened at log sequence 1
  Current log# 3 seq# 1 mem# 0: F:\REDO01.LOG
Successful open of redo thread 1.
Wed Aug 20 23:01:50 2014
SMON: enabling cache recovery
Wed Aug 20 23:01:50 2014
Errors in file C:\oracle\admin\YCFD\udump\ORA00320.TRC:
ORA-00600: ??????????: [4000], [3], [], [], [], [], [], []

SMON: disabling cache recovery
Wed Aug 20 23:01:51 2014
ORA-704 signalled during: alter database open resetlogs

数据库遭遇ORA-600 4000错误,数据库无法打开,分析对应trace日志

Dump file C:\oracle\admin\YCFD\udump\ORA00320.TRC
Wed Aug 20 23:01:50 2014
ORACLE V8.1.7.0.0 - Production vsnsta=0
vsnsql=e vsnxtr=3
Windows 2000 Version 5.2 Service Pack 2, CPU type 586
Oracle8i Release 8.1.7.0.0 - Production
JServer Release 8.1.7.0.0 - Production
Windows 2000 Version 5.2 Service Pack 2, CPU type 586
Instance name: ycfd

Redo thread mounted by this instance: 1

Oracle process number: 8

Windows thread id: 320, image: ORACLE.EXE


*** SESSION ID:(7.1) 2014-08-20 23:01:50.838
*** 2014-08-20 23:01:50.838
ksedmp: internal or fatal error
ORA-00600: ??????????: [4000], [3], [], [], [], [], [], []
Current SQL statement for this session:
select ctime, mtime, stime from obj$ where obj# = :1
----- Call Stack Trace -----

这里可以看出来,是因为数据库在启动之时需要执行select ctime, mtime, stime from obj$ where obj# = :1语句,但是由于每种原因出现ORA-600 4000导致数据库无法正常启动,继续分析日志

lock header dump:  0x0040003e
 Object id on Block? Y
 seg/obj: 0x12  csc: 0x00.fb5c5c5  itc: 1  flg: -  typ: 1 - DATA
     fsl: 0  fnx: 0x0 ver: 0x01
 
 Itl           Xid                  Uba         Flag  Lck        Scn/Fsc
0x01   xid:  0x0003.012.0002ae94    uba: 0x00801f5b.5389.11  --U-    1  fsc 0x0000.0fb5c5c6


SQL> select checkpoint_change# from v$database;

263570122

此处比较明显,通过xid可以知道三号回滚段中对应一个事务出现问题:
1. 该block为file 1 bock 62,object_id为 18(obj$)上有一个事务
2. 该事务的scn为263,570,886>database scn(263570122)导致该故障发生
3. 当数据库访问到file 1 block 62的时候,发现有一个事务,而该事务的scn大于数据库scn,从而出现ORA-600[4000]
解决该问题有几种方法
1. 修改block 62,人工提交该事务
2. 修改数据库scn,让数据库scn大于itl scn
解决block 62 事务问题后出现如下错误

Wed Aug 20 23:03:55 2014
SMON: enabling cache recovery
Wed Aug 20 23:03:55 2014
Dictionary check beginning
Dictionary check complete
Wed Aug 20 23:03:55 2014
SMON: enabling tx recovery
Wed Aug 20 23:03:56 2014
Errors in file C:\oracle\admin\YCFD\bdump\ycfdSMON.TRC:
ORA-00600: internal error code, arguments: [4193], [21173], [21181], [], [], [], [], []

Recovery of Online Redo Log: Thread 1 Group 1 Seq 2 Reading mem 0
  Mem# 0 errs 0: F:\REDO03.LOG
SMON: terminating instance due to error 600
Instance terminated by SMON, pid = 2468

数据库出现ORA-600 4193,这个是常见错误,因为redo记录和undo记录不匹配导致,可以直接使用_corrupted_rollback_segments/_offline_rollback_segments屏蔽回滚段跳过

Wed Aug 20 23:08:10 2014
SMON: enabling cache recovery
SMON: enabling tx recovery
SMON: about to recover undo segment 1
SMON: mark undo segment 1 as needs recovery
SMON: about to recover undo segment 2
SMON: mark undo segment 2 as needs recovery
SMON: about to recover undo segment 3
SMON: mark undo segment 3 as needs recovery
SMON: about to recover undo segment 4
SMON: mark undo segment 4 as needs recovery
SMON: about to recover undo segment 5
SMON: mark undo segment 5 as needs recovery
SMON: about to recover undo segment 6
SMON: mark undo segment 6 as needs recovery
SMON: about to recover undo segment 7
SMON: mark undo segment 7 as needs recovery
SMON: about to recover undo segment 1
SMON: mark undo segment 1 as needs recovery
SMON: about to recover undo segment 2
SMON: mark undo segment 2 as needs recovery
SMON: about to recover undo segment 3
SMON: mark undo segment 3 as needs recovery
SMON: about to recover undo segment 4
SMON: mark undo segment 4 as needs recovery
SMON: about to recover undo segment 5
SMON: mark undo segment 5 as needs recovery
SMON: about to recover undo segment 6
SMON: mark undo segment 6 as needs recovery
SMON: about to recover undo segment 7
SMON: mark undo segment 7 as needs recovery
Wed Aug 20 23:08:15 2014
Completed: alter database open

其他类似文章:
ORA-600[4194]/[4193]解决
通过bbed解决ORA-600 4000案例
通过bbed解决ORA-00600[4000]案例
记录一次ORA-600 4000数据库故障恢复

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