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请看报大错:
SQL> startup;
ORACLE instance started.
Total System Global Area 1603411968 bytes
Fixed Size 2228784 bytes
Variable Size 989859280 bytes
Database Buffers 603979776 bytes
Redo Buffers 7344128 bytes
Database mounted.
ORA-01113: file 1 needs media recovery
ORA-01110: data file 1: '/u01/app/oracle/oradata/oggdb2/system01.dbf'
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01113: file 1 needs media recovery
ORA-01110: data file 1: '/u01/app/oracle/oradata/oggdb2/system01.dbf'
现在开始修复数据吧!
SQL> select name,checkpoint_change# from v$datafile;
NAME CHECKPOINT_CHANGE#
------------------------------------------------------------ ------------------
/u01/app/oracle/oradata/oggdb2/system01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/sysaux01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/undotbs01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/users01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/example01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/gguser.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/p2pdata01.dbf 2147548266
7 rows selected.
SQL> select name,checkpoint_change# from v$datafile_header;
NAME CHECKPOINT_CHANGE#
------------------------------------------------------------ ------------------
/u01/app/oracle/oradata/oggdb2/system01.dbf 2147546874
/u01/app/oracle/oradata/oggdb2/sysaux01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/undotbs01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/users01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/example01.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/gguser.dbf 2147548266
/u01/app/oracle/oradata/oggdb2/p2pdata01.dbf 2147548266
修复过程:
1.修改旧数据文件头scn的值
BBED> dump offset 484
File: /u01/app/oracle/oradata/oggdb2/system01.dbf (1)
Block: 1 Offsets: 484 to 983 Dba:0x00400001
------------------------------------------------------------------------
8e4a0180 00000000 243e333b 01000000 94000000 02000000 10000000 02000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0d000d00 0d000100 00000000 00000000 00000000 02004000 32270f00 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 02ace702 c1770dd9 007b503c cfdee590 34000000
00000000 00000000 00000000 00012997 2a000000 38020000 00000000 c08c5ef2
05fe25a5 9d6b999e 14265f03 1ef30600 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BBED> m /x 654f0180 offset 484
File: /u01/app/oracle/oradata/oggdb2/system01.dbf (1)
Block: 1 Offsets: 484 to 983 Dba:0x00400001
------------------------------------------------------------------------
654f0180 00000000 243e333b 01000000 94000000 02000000 10000000 02000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
0d000d00 0d000100 00000000 00000000 00000000 02004000 32270f00 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 02ace702 c1770dd9 007b503c cfdee590 34000000
00000000 00000000 00000000 00012997 2a000000 38020000 00000000 c08c5ef2
05fe25a5 9d6b999e 14265f03 1ef30600 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
2.查看并修正数据文件头chckpoint_time的值
本文固定链接 http://blog.itpub.net/28389881/viewspace-2221607/
BBED> dump offset 492
File: /u01/app/oracle/oradata/oggdb2/system01.dbf (1)
Block: 1 Offsets: 492 to 991 Dba:0x00400001
------------------------------------------------------------------------
243e333b 01000000 94000000 02000000 10000000 02000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 0d000d00 0d000100
00000000 00000000 00000000 02004000 32270f00 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 02ace702 c1770dd9 007b503c cfdee590 34000000 00000000 00000000
00000000 00012997 2a000000 38020000 00000000 c08c5ef2 05fe25a5 9d6b999e
14265f03 1ef30600 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BBED> m /x be42333b offset 492
File: /u01/app/oracle/oradata/oggdb2/system01.dbf (1)
Block: 1 Offsets: 492 to 991 Dba:0x00400001
------------------------------------------------------------------------
be42333b 01000000 94000000 02000000 10000000 02000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 0d000d00 0d000100
00000000 00000000 00000000 02004000 32270f00 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 02ace702 c1770dd9 007b503c cfdee590 34000000 00000000 00000000
00000000 00012997 2a000000 38020000 00000000 c08c5ef2 05fe25a5 9d6b999e
14265f03 1ef30600 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
3.修改旧数据文件头中检查点计数器(kcvfhcpc)
BBED> dump offset 140
File: /u01/app/oracle/oradata/oggdb2/system01.dbf (1)
Block: 1 Offsets: 140 to 639 Dba:0x00400001
------------------------------------------------------------------------
28010000 223e333b 27010000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 06005359 5354454d 00000000 00000000 00000000 00000000 00000000
00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 0a000a00 5c776c2d 01000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 654f0180 00000000
be42333b 01000000 94000000 02000000 10000000 02000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BBED> m /x 2a010000 offset 140
File: /u01/app/oracle/oradata/oggdb2/system01.dbf (1)
Block: 1 Offsets: 140 to 639 Dba:0x00400001
------------------------------------------------------------------------
2a010000 223e333b 27010000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 06005359 5354454d 00000000 00000000 00000000 00000000 00000000
00000000 01000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 0a000a00 5c776c2d 01000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 654f0180 00000000
be42333b 01000000 94000000 02000000 10000000 02000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
4.修改旧数据文件头中控制文件备份的计数器(kcvfhccc)的值
BBED> dump offset 148
File: /u01/app/oracle/oradata/oggdb2/system01.dbf (1)
Block: 1 Offsets: 148 to 647 Dba:0x00400001
------------------------------------------------------------------------
5c537c9d 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 06005359
5354454d 00000000 00000000 00000000 00000000 00000000 00000000 01000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 0a000a00 5c776c2d 01000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 654f0180 00000000 be42333b 01000000
94000000 02000000 10000000 02000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
BBED> m /x 29010000 offset 148
File: /u01/app/oracle/oradata/oggdb2/system01.dbf (1)
Block: 1 Offsets: 148 to 647 Dba:0x00400001
------------------------------------------------------------------------
29010000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 06005359
5354454d 00000000 00000000 00000000 00000000 00000000 00000000 01000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 0a000a00 5c776c2d 01000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 654f0180 00000000 be42333b 01000000
94000000 02000000 10000000 02000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
00000000 00000000 00000000 00000000 00000000 00000000 00000000 00000000
5.重新生成sum
BBED> sum apply
Check value for File 1, Block 1:
current = 0xec9b, required = 0xec9b
6.查询各个数据文件头scn
SQL> select file#,checkpoint_change#,name from v$datafile_header;
FILE# CHECKPOINT_CHANGE# NAME
---------- ------------------ ------------------------------------------------------------
1 2147548266 /u01/app/oracle/oradata/oggdb2/system01.dbf
2 2147548266 /u01/app/oracle/oradata/oggdb2/sysaux01.dbf
3 2147548266 /u01/app/oracle/oradata/oggdb2/undotbs01.dbf
4 2147548266 /u01/app/oracle/oradata/oggdb2/users01.dbf
5 2147548266 /u01/app/oracle/oradata/oggdb2/example01.dbf
6 2147548266 /u01/app/oracle/oradata/oggdb2/gguser.dbf
7 2147548266 /u01/app/oracle/oradata/oggdb2/p2pdata01.dbf
7 rows selected.
7 rows selected.
SQL> alter database open;
Database altered.
至此数据库成功启动咯~
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