ora-4193/4194 故障处理一则

在线日志丢失，强制打开数据库后，导致undo  redo 不一致

 

 

当前处于 curren t的 redolog 损坏，这里尝试设置隐含参数 "_allow_resetlogs_corruption" =true 来跳过open时的一致性检查，来强制打开数据库。

SQL> alter database clear logfile group 4;
alter database clear logfile group 4
*
ERROR at line 1:
ORA-01624: log 4 needed for crash recovery of instance lixora (thread 1)
ORA-00312: online log 4 thread 1:
'/oracle/flash_recovery_area/LIXORA/onlinelog/o1_mf_4_92cyr3h3_.log'

SQL> alter system set "_allow_resetlogs_corruption" =true scope=spfile;

System altered.

 

----关闭数据库并重启至mount状态：

SQL> startup force
ORACLE instance started.

Total System Global Area  583008256 bytes
Fixed Size                  2022504 bytes
Variable Size             180355992 bytes
Database Buffers          398458880 bytes
Redo Buffers                2170880 bytes
Database mounted.
ORA-00313: open failed for members of log group 4 of thread 1
ORA-00312: online log 4 thread 1:
'/oracle/flash_recovery_area/LIXORA/onlinelog/o1_mf_4_92cyr3h3_.log'
ORA-27037: unable to obtain file status
Linux-x86_64 Error: 2: No such file or directory
Additional information: 3

SQL> startup mount;
ORA-01081: cannot start already-running ORACLE - shut it down first

SQL> recover database until cancel;
ORA-00279: change 5630464 generated at 10/21/2013 09:17:01 needed for thread 1
ORA-00289: suggestion :
/oracle/flash_recovery_area/LIXORA/archivelog/2013_10_21/o1_mf_1_84_%u_.arc
ORA-00280: change 5630464 for thread 1 is in sequence #84

Specify log: {=suggested | filename | AUTO | CANCEL}
cancel
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: '/oracle/oradata/lixora/system01.dbf'

ORA-01112: media recovery not started

SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-03113: end-of-file on communication channel

----这里不知道什么原因断开了和数据库的通信

SQL> alter database open resetlogs;
ERROR:
ORA-03114: not connected to ORACLE

 

----再次连接尝试去open resetlogs

SQL> startup mount;
ORACLE instance started.

Total System Global Area  583008256 bytes
Fixed Size                  2022504 bytes
Variable Size             180355992 bytes
Database Buffers          398458880 bytes
Redo Buffers                2170880 bytes
Database mounted.
SQL> alter database open resetlogs;
alter database open resetlogs
*
ERROR at line 1:
ORA-01139: RESETLOGS option only valid after an incomplete database recovery

SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-00607: Internal error occurred while making a change to a data block
ORA-00600: internal error code, arguments: [4194], [22], [39], [], [], [], [],
[]

-----开始报ora-600 错误：

from：http://www.xifenfei.com/2516.html

ORA-600[4194]/[4193]，第一感觉就是undo出现问题。
4193：表示undo和redo不一致（Arg [a] Undo record seq number，Arg [b] Redo record seq number ）；
4194：表示也是undo和redo不一致（Arg [a] Maximum Undo record number in Undo block，Arg [b] Undo record number from Redo block）

 

查看alert日志，如下：

Mon Oct 21 09:50:53 2013
Errors in file /oracle/admin/lixora/bdump/lixora_q001_8303.trc:
ORA-00607: Internal error occurred while making a change to a data block
ORA-00600: internal error code, arguments: [4193], [1442], [1446], [], [], [], [], []
Mon Oct 21 09:50:53 2013
Doing block recovery for file 2 block 630
Block recovery from logseq 2, block 73 to scn 5650681
Mon Oct 21 09:50:53 2013
Recovery of Online Redo Log: Thread 1 Group 1 Seq 2 Reading mem 0
  Mem# 0 errs 0: /oracle/oradata/lixora/redo01.log
Block recovery completed at rba 2.76.16, scn 0.5650685
Doing block recovery for file 2 block 105
Block recovery from logseq 2, block 73 to scn 5650895
Mon Oct 21 09:50:53 2013
Recovery of Online Redo Log: Thread 1 Group 1 Seq 2 Reading mem 0
  Mem# 0 errs 0: /oracle/oradata/lixora/redo01.log
Block recovery completed at rba 2.350.16, scn 0.5650896
Mon Oct 21 09:51:07 2013
Errors in file /oracle/admin/lixora/udump/lixora_ora_8410.trc:
ORA-00600: internal error code, arguments: [4194], [21], [28], [], [], [], [], []
Mon Oct 21 09:51:07 2013
Errors in file /oracle/admin/lixora/udump/lixora_ora_8408.trc:
ORA-00600: internal error code, arguments: [4193], [1620], [1623], [], [], [], [], []
Mon Oct 21 09:51:12 2013
Doing block recovery for file 2 block 172

 

----尝试直接设置了下面参数，数据库就意外的open成功，这位朋友比较幸运

undo_tablespace=SYSTEM undo_management=MANUAL 既然库已经open，然后新建undo空间，删除出问题的undo，做如下修改，数据库恢复完成 undo_tablespace=新undo undo_management=AUTO 如果出现极端的情况可能需要做如下处理: 1.使用_offline_rollback_segments和_corrupted_rollback_segments屏蔽掉有问题的undo segment 2.继续可能出现ora-600[2662]，需要推进scn

 

SQL> create pfile='/tmp/pfile.ora'  from spfile;

File created.

SQL> shutdown immediate
ORA-00607: Internal error occurred while making a change to a data block
ORA-00600: internal error code, arguments: [4193], [3393], [3397], [], [], [],
[], []

SQL> shutdow abort
ORACLE instance shut down.
SQL> startup pfile='/tmp/pfile.ora'
ORACLE instance started.

Total System Global Area  583008256 bytes
Fixed Size                  2022504 bytes
Variable Size             184550296 bytes
Database Buffers          394264576 bytes
Redo Buffers                2170880 bytes
Database mounted.
Database opened.
SQL>
SQL>
SQL>
SQL> select * from dual;

D
-
X

 

-----创建新的undo 表空间 undotbs02

SQL> create undo tablespace undotbs02
  2  datafile '/oracle/oradata/lixora/undotbs02.dbf'  
  3  size 50M
  4   EXTENT MANAGEMENT local;

Tablespace created.

SQL> alter system set undo_tablespace=undotbs02;    ------------注意这里不能直接设置，因为使用的是pfile
alter system set undo_tablespace=undotbs02
*
ERROR at line 1:
ORA-02097: parameter cannot be modified because specified value is invalid
ORA-30014: operation only supported in Automatic Undo Management mode

SQL> alter system set undo_tablespace=undotbs02 scope=spfile;
alter system set undo_tablespace=undotbs02 scope=spfile
*
ERROR at line 1:
ORA-32001: write to SPFILE requested but no SPFILE specified at startup

SQL> shutdwon immediate
SP2-0734: unknown command beginning "shutdwon i..." - rest of line ignored.
SQL> shutdown immediate
Database closed.
Database dismounted.
ORACLE instance shut down.

 

---编辑pfile

[oracle@localhost lixora]$ vi /tmp/pfile.ora
lixora.__db_cache_size=394264576
lixora.__java_pool_size=4194304
lixora.__large_pool_size=4194304
lixora.__shared_pool_size=171966464
lixora.__streams_pool_size=4194304
#*._allow_resetlogs_corruption=TRUE
*.audit_file_dest='/oracle/admin/lixora/adump'
*.background_dump_dest='/oracle/admin/lixora/bdump'
*.compatible='10.2.0.1.0'
*.control_files='/oracle/oradata/lixora/control01.ctl','/oracle/oradata/lixora/control02.ctl','/oracle/oradata/lixora/control03.ctl'
*.core_dump_dest='/oracle/admin/lixora/cdump'
*.db_block_size=8192
*.db_domain=''
*.db_file_multiblock_read_count=16
*.db_name='lixora'
*.db_recovery_file_dest='/oracle/flash_recovery_area'
*.db_recovery_file_dest_size=2147483648
*.dbwr_io_slaves=5
*.disk_asynch_io=FALSE
*.dispatchers='(PROTOCOL=TCP) (SERVICE=lixoraXDB)'
*.fast_start_parallel_rollback='FALSE'
"/tmp/pfile.ora" 34L, 1105C written                                                                  
[oracle@localhost lixora]$ vi /tmp/pfile.ora
lixora.__db_cache_size=394264576
lixora.__java_pool_size=4194304
lixora.__large_pool_size=4194304
lixora.__shared_pool_size=171966464
lixora.__streams_pool_size=4194304
#*._allow_resetlogs_corruption=TRUE   ------------------这里需要把这个隐含参数注销掉
*.audit_file_dest='/oracle/admin/lixora/adump'
*.background_dump_dest='/oracle/admin/lixora/bdump'
*.compatible='10.2.0.1.0'
*.control_files='/oracle/oradata/lixora/control01.ctl','/oracle/oradata/lixora/control02.ctl','/oracle/oradata/lixora/control03.ctl'
*.core_dump_dest='/oracle/admin/lixora/cdump'
*.db_block_size=8192
*.db_domain=''
*.db_file_multiblock_read_count=16
*.db_name='lixora'
*.db_recovery_file_dest='/oracle/flash_recovery_area'
*.db_recovery_file_dest_size=2147483648
*.dbwr_io_slaves=5
*.disk_asynch_io=FALSE
*.dispatchers='(PROTOCOL=TCP) (SERVICE=lixoraXDB)'
*.fast_start_parallel_rollback='FALSE'
*.job_queue_processes=5
*.open_cursors=300
*.pga_aggregate_target=193986560
*.processes=150
*.remote_login_passwordfile='EXCLUSIVE'
*.sga_target=581959680
*.undo_management='AUTO'              ---------------------1
*.undo_tablespace='UNDOTBS2'    ------------------------2 ；这两个参数需要设置一下
*.user_dump_dest='/oracle/admin/lixora/udump'
*.utl_file_dir='/tmp'

 

SQL> exit
Disconnected from Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - 64bit Production
With the Partitioning, OLAP and Data Mining options
[oracle@localhost ~]$ !sq
sqlplus / as sysdba

SQL*Plus: Release 10.2.0.1.0 - Production on Mon Oct 21 10:13:51 2013

Copyright (c) 1982, 2005, Oracle.  All rights reserved.

Connected to an idle instance.

SQL> startup pfile='/tmp/pfile.ora'
ORACLE instance started.

Total System Global Area  583008256 bytes
Fixed Size                  2022504 bytes
Variable Size             184550296 bytes
Database Buffers          394264576 bytes
Redo Buffers                2170880 bytes
Database mounted.
Database opened.
SQL>

 

到这里算是数据库恢复完成了，在这里做个小结，今天算是两个问题redo undo 都损坏碰到一起了，记录一下。