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标题：Oracle Recovery Tools实战批量坏块修复

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有客户数据库无法正常启动ORA-600 6711错误

SQL> startup mount pfile='d:/pfile.txt'
ORACLE instance started.

Total System Global Area 4294964032 bytes
Fixed Size                  9036608 bytes
Variable Size             889192448 bytes
Database Buffers         3388997632 bytes
Redo Buffers                7737344 bytes
Database mounted.
SQL> alter database open ;
alter database open 
*
ERROR at line 1:
ORA-00603: ORACLE server session terminated by fatal error
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00600: internal error code, arguments: [6711], [4313028], [1], [4309898],
[0], [], [], [], [], [], [], []
Process ID: 22708
Session ID: 978 Serial number: 56675

alert日志报错

2022-06-26T12:34:41.855326+08:00
alter database open
2022-06-26T12:34:41.984974+08:00
Ping without log force is disabled:
  instance mounted in exclusive mode.
Endian type of dictionary set to little
Undo initialization finished serial:0 start:313418906 end:313418906 diff:0 ms (0.0 seconds)
Database Characterset is ZHS16GBK
No Resource Manager plan active
2022-06-26T12:34:43.302315+08:00
Errors in file C:\APP\XFF\diag\rdbms\orcl\ora19c\trace\ora19c_ora_22708.trc  (incident=38629):
ORA-00600: internal error code, arguments: [6711], [4313028], [1], [4309898], [0], [], [], [], [], [], [], []
Incident details in: C:\APP\XFF\diag\rdbms\orcl\ora19c\incident\incdir_38629\ora19c_ora_22708_i38629.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
2022-06-26T12:34:44.232115+08:00
*****************************************************************
An internal routine has requested a dump of selected redo.
This usually happens following a specific internal error, when
analysis of the redo logs will help Oracle Support with the
diagnosis.
It is recommended that you retain all the redo logs generated (by
all the instances) during the past 12 hours, in case additional
redo dumps are required to help with the diagnosis.
*****************************************************************
2022-06-26T12:34:44.315431+08:00
Errors in file C:\APP\XFF\diag\rdbms\orcl\ora19c\trace\ora19c_ora_22708.trc:
ORA-00600: internal error code, arguments: [6711], [4313028], [1], [4309898], [0], [], [], [], [], [], [], []
2022-06-26T12:34:44.315431+08:00
Errors in file C:\APP\XFF\diag\rdbms\orcl\ora19c\trace\ora19c_ora_22708.trc:
ORA-00600: internal error code, arguments: [6711], [4313028], [1], [4309898], [0], [], [], [], [], [], [], []
Error 600 happened during db open, shutting down database
Errors in file C:\APP\XFF\diag\rdbms\orcl\ora19c\trace\ora19c_ora_22708.trc  (incident=38630):
ORA-00603: ORACLE server session terminated by fatal error
ORA-01092: ORACLE instance terminated. Disconnection forced
ORA-00600: internal error code, arguments: [6711], [4313028], [1], [4309898], [0], [], [], [], [], [], [], []
Incident details in: C:\APP\XFF\diag\rdbms\orcl\ora19c\incident\incdir_38630\ora19c_ora_22708_i38630.trc
2022-06-26T12:34:45.266678+08:00
opiodr aborting process unknown ospid (22708) as a result of ORA-603
2022-06-26T12:34:45.274688+08:00
ORA-603 : opitsk aborting process
License high water mark = 1
USER (ospid: (prelim)): terminating the instance due to ORA error 

通过分析trace文件进行分析，确认是由于histgrm$表异常导致,通过一些特殊处理,绕过该表相关sql,open数据库,并且尝试导出数据

SQL> startup mount pfile='d:/pfile.txt';
ORACLE instance started.

Total System Global Area 4294964032 bytes
Fixed Size                  9036608 bytes
Variable Size             889192448 bytes
Database Buffers         3388997632 bytes
Redo Buffers                7737344 bytes
Database mounted.
SQL>
SQL>
SQL> alter database open;

Database altered.

使用expdp导出数据报ORA-01578错