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system表空间丢失部分文件恢复---惜分飞

news 2025/10/11 10:37:05

有客户因为system表空间有一个数据文件放在其他位置,当时没有正常拷贝出来(备份了oradata路径下面文件,遗漏了一个system文件),尝试启动库报ORA-01157 ORA-01147等错误

[oracle@xifenfei check_db]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Sun Oct 5 21:13:28 2025

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> recover datafile 1;

Media recovery complete.

SQL> recover datafile 2,3,4,5,6,7,8,9,10;  

Media recovery complete.

SQL> alter database open;

alter database open

*

ERROR at line 1:

ORA-01157: cannot identify/lock data file 11 - see DBWR trace file

ORA-01110: data file 11:

'/u01/app/oracle/product/11.2.0.4/db_1/dbs/path_to_datafile.dbf'

SQL> alter database datafile 11 offline drop;

Database altered.

SQL> alter database open;

alter database open

*

ERROR at line 1:

ORA-01147: SYSTEM tablespace file 11 is offline

ORA-01110: data file 11:

'/u01/app/oracle/product/11.2.0.4/db_1/dbs/path_to_datafile.dbf'

alert日志报错信息

Sun Oct 05 22:35:01 2025

alter database open

Sun Oct 05 22:35:01 2025

Errors in file /data/app/oracle/diag/rdbms/mtxdb1/mtxdb1/trace/mtxdb1_dbw0_5946.trc:

ORA-01157: cannot identify/lock data file 11 - see DBWR trace file

ORA-01110: data file 11: '/u01/app/oracle/product/11.2.0.4/db_1/dbs/path_to_datafile.dbf'

ORA-27037: unable to obtain file status

Linux-x86_64 Error: 2: No such file or directory

Additional information: 3

Errors in file /data/app/oracle/diag/rdbms/mtxdb1/mtxdb1/trace/mtxdb1_ora_11264.trc:

ORA-01157: cannot identify/lock data file 11 - see DBWR trace file

ORA-01110: data file 11: '/u01/app/oracle/product/11.2.0.4/db_1/dbs/path_to_datafile.dbf'

ORA-1157 signalled during: alter database open...

Sun Oct 05 22:35:25 2025

alter database datafile 11 offline

ORA-1145 signalled during: alter database datafile 11 offline ...

alter database datafile 11 offline drop

Completed: alter database datafile 11 offline drop

alter database open

Errors in file /data/app/oracle/diag/rdbms/mtxdb1/mtxdb1/trace/mtxdb1_ora_11264.trc:

ORA-01147: SYSTEM tablespace file 11 is offline

ORA-01110: data file 11: '/u01/app/oracle/product/11.2.0.4/db_1/dbs/path_to_datafile.dbf'

ORA-1147 signalled during: alter database open...

由于11号文件是system表空间的一个数据文件,对于这种数据文件丢失无法offline该数据文件,然后open库(也就是说在open库的时候,system表空间的数据文件必须全部online,如果有部分文件offline就会报ORA-01147).对于这样的情况,以前有过类似恢复经历:bbed打开丢失部分system数据文件库,这次的编写了一个m_scn程序实现快速处理

[oracle@xifenfei  tmp]$ cat 1.txt

1@/data/app/oracle/oradata/mtxdb1/system01.dbf

11@/tmp/11.dbf

[oracle@xifenfei  tmp]$ ./m_scn 1.txt

-------------Is processing datafile:/tmp/11.dbf-------------

1+0 records in

1+0 records out

1048576 bytes (1.0 MB) copied, 0.000835728 s, 1.3 GB/s

[oracle@xifenfei tmp]$ sqlplus / as sysdba

SQL*Plus: Release 11.2.0.4.0 Production on Wed Oct 8 11:27:32 2025

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> set numw 16

SQL> col CHECKPOINT_TIME for a40

SQL> set lines 150

SQL> set pages 1000

SQL> SELECT status,

  2  to_char(checkpoint_time,'yyyy-mm-dd hh24:mi:ss') checkpoint_time,FUZZY,checkpoint_change#,

  3  count(*) ROW_NUM

  4  FROM v$datafile_header

  5  GROUP BY status, checkpoint_change#, to_char(checkpoint_time,'yyyy-mm-dd hh24:mi:ss'),fuzzy

  6  ORDER BY status, checkpoint_change#, checkpoint_time;

STATUS  CHECKPOINT_TIME                          FUZ CHECKPOINT_CHANGE#          ROW_NUM

------- ---------------------------------------- --- ------------------ ----------------

OFFLINE 2025-10-02 06:50:06                      NO      17328662858685                1

ONLINE  2025-10-02 06:50:06                      NO      17328662858685               10

SQL> alter database datafile 11 online;

Database altered.

然后重建ctl,并尝试打开库
 

ctl_re

然后查询11号文件中涉及的对象情况

SQL> select distinct owner,segment_name,segment_type from dba_extents where file_id=11;

OWNER                          SEGMENT_NAME                           SEGMENT_TYPE

------------------------------ -------------------------------------- ------------------

SYS                            SYSTEM                                 ROLLBACK

SYS                            I_COL1                                 INDEX

SYS                            AUD$                                   TABLE

SQL> select owner,segment_name from dba_segments where HEADER_FILE=11;

no rows selected

证明丢失的11号文件（system表空间文件）,涉及的对象较少,而且不涉及核心字典,比如tab$,obj$,col$等非常核心对象,评估理论上应该不涉业务数据丢失,尝试直接expdp导出数据,但是很不幸,报ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018]错误

. . exported "XFF020"."OTHERBILLDETAIL_DEL"              6.405 MB  126048 rows

. . exported "XFF020"."POSSOLDOUT"                       7.784 MB  281413 rows

ORA-31693: Table data object "XFF020"."MATERIELTRAN" failed to load/unload and is being skipped due to error:

ORA-39068: invalid master table data in row with PROCESS_ORDER=159:1000001

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPF$FILE", line 3720

ORA-06512: at line 1

ORA-39126: Worker unexpected fatal error in KUPW$WORKER.UNLOAD_DATA [TABLE_DATA:"XFF020"."MATERIELTRAN"]

UPDATE "SYS"."SYS_EXPORT_FULL_01" SET processing_state = :1, processing_status = :2

    WHERE process_order = :3 AND duplicate = 0

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPW$WORKER", line 7866

ORA-31693: Table data object "XFF020"."MATERIELTRAN" failed to load/unload and is being skipped due to error:

ORA-39068: invalid master table data in row with PROCESS_ORDER=159:1000001

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPF$FILE", line 3720

ORA-06512: at line 1

ORA-06512: at "SYS.DBMS_SYS_ERROR", line 105

ORA-06512: at "SYS.KUPW$WORKER", line 9721

----- PL/SQL Call Stack -----

  object      line  object

  handle    number  name

0xef2fc508     21979  package body SYS.KUPW$WORKER

0xef2fc508      9742  package body SYS.KUPW$WORKER

0xef2fc508      3437  package body SYS.KUPW$WORKER

0xef2fc508     10436  package body SYS.KUPW$WORKER

0xef2fc508      1824  package body SYS.KUPW$WORKER

0xef2feb20         2  anonymous block

ORA-39097: Data Pump job encountered unexpected error -607

ORA-39065: unexpected master process exception in DISPATCH

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-31693: Table data object "XFF020"."ANALYSEREPORT" failed to load/unload and is being skipped due to error:

ORA-39068: invalid master table data in row with PROCESS_ORDER=161:1000001

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPF$FILE", line 3720

ORA-06512: at line 1

ORA-39126: Worker unexpected fatal error in KUPW$WORKER.UNLOAD_DATA [TABLE_DATA:"XFF020"."ANALYSEREPORT"]

UPDATE "SYS"."SYS_EXPORT_FULL_01" SET processing_state = :1, processing_status = :2

   WHERE process_order = :3 AND duplicate = 0

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPW$WORKER", line 7866

ORA-31693: Table data object "XFF020"."ANALYSEREPORT" failed to load/unload and is being skipped due to error:

ORA-39068: invalid master table data in row with PROCESS_ORDER=161:1000001

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPF$FILE", line 3720

ORA-06512: at line 1

ORA-06512: at "SYS.DBMS_SYS_ERROR", line 105

ORA-06512: at "SYS.KUPW$WORKER", line 9721

----- PL/SQL Call Stack -----

  object      line  object

  handle    number  name

0xef2fc508     21979  package body SYS.KUPW$WORKER

0xef2fc508      9742  package body SYS.KUPW$WORKER

0xef2fc508      3437  package body SYS.KUPW$WORKER

0xef2fc508     10436  package body SYS.KUPW$WORKER

0xef2fc508      1824  package body SYS.KUPW$WORKER

0xef2feb20         2  anonymous block

ORA-31693: Table data object "XFF020CW"."MATERIELTRAN" failed to load/unload and is being skipped due to error:

ORA-39068: invalid master table data in row with PROCESS_ORDER=160:1000001

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPF$FILE", line 3720

ORA-06512: at line 1

ORA-39126: Worker unexpected fatal error in KUPW$WORKER.UNLOAD_DATA [TABLE_DATA:"XFF020CW"."MATERIELTRAN"]

UPDATE "SYS"."SYS_EXPORT_FULL_01" SET processing_state = :1, processing_status = :2

   WHERE process_order = :3 AND duplicate = 0

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPW$WORKER", line 7866

ORA-31693: Table data object "XFF020CW"."MATERIELTRAN" failed to load/unload and is being skipped due to error:

ORA-39068: invalid master table data in row with PROCESS_ORDER=160:1000001

ORA-00607: Internal error occurred while making a change to a data block

ORA-00600: internal error code, arguments: [kdBlkCheckError], [11], [3], [18018], [], [], [], [], [], [], [], []

ORA-06512: at "SYS.KUPF$FILE", line 3720

ORA-06512: at line 1

ORA-06512: at "SYS.DBMS_SYS_ERROR", line 105

ORA-06512: at "SYS.KUPW$WORKER", line 9721

----- PL/SQL Call Stack -----

  object      line  object

  handle    number  name

0xef2fc508     21979  package body SYS.KUPW$WORKER

0xef2fc508      9742  package body SYS.KUPW$WORKER

0xef2fc508      3437  package body SYS.KUPW$WORKER

0xef2fc508     10436  package body SYS.KUPW$WORKER

0xef2fc508      1824  package body SYS.KUPW$WORKER

0xef2feb20         2  anonymous block

Job "SYS"."SYS_EXPORT_FULL_01" stopped due to fatal error at Wed Oct 8 11:59:29 2025 elapsed 0 00:18:48

对ORA-600 kdBlkCheckError进行分析分析（11表示文件号,3表示block）,是由于导出生成的master表写入在system表空间,而system表空间中的file# 11是人工构造出来的,block 3 是位图分配信息（该信息和实际字典中存储信息不匹配）,所以导致出现该错误,对于这个问题解决方法为expdp写master表不在system表空间即可,通过该操作,顺利导出数据,完成本次恢复任务

expdp_ok

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