通过bbed模拟ORA-00607/ORA-00600 4194 故障

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标题:通过bbed模拟ORA-00607/ORA-00600 4194 故障

作者:惜分飞©版权所有[未经本人同意,不得以任何形式转载,否则有进一步追究法律责任的权利.]

在数据库恢复的案例中,遇到system rollback异常的故障算是中彩票了.处理起来比较麻烦,有些情况甚至是无法处理.这里通过试验模拟ORA-00607/ORA-00600[4194].类此的错误在一次银联的数据库恢复中也遇到过,不过当时由于功底不深,理解出现部分误差.
通过bbed模拟ORA-00607/ORA-00600[4194]错误

[oracle@xifenfei ~]$ bbed listfile=list mode=edit password=blockedit

BBED: Release 2.0.0.0.0 - Limited Production on Fri Nov 4 22:59:51 2011

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

************* !!! For Oracle Internal Use only !!! ***************

BBED> info
 File#  Name                                                        Size(blks)
 -----  ----                                                        ----------
     1  /u01/oracle/oradata/XFF/system01.dbf                                 0
     2  /u01/oracle/oradata/XFF/undotbs01.dbf                                0
     3  /u01/oracle/oradata/XFF/sysaux01.dbf                                 0
     4  /u01/oracle/oradata/XFF/users01.dbf                                  0
     5  /u01/oracle/oradata/XFF/datfttuser.dbf                               0

BBED> set block 9
        BLOCK#          9

BBED> map
 File: /u01/oracle/oradata/XFF/system01.dbf (1)
 Block: 9                                     Dba:0x00400009
------------------------------------------------------------
 Unlimited Undo Segment Header

 struct kcbh, 20 bytes                      @0       

 struct ktech, 72 bytes                     @20      

 struct ktemh, 16 bytes                     @92      

 struct ktetb[6], 48 bytes                  @108     

 struct ktuxc, 104 bytes                    @4148    

 struct ktuxe[255], 10200 bytes             @4252    

 ub4 tailchk                                @8188    


BBED> p ktuxc
struct ktuxc, 104 bytes                     @4148    
   struct ktuxcscn, 8 bytes                 @4148    
      ub4 kscnbas                           @4148     0x0006c75b
      ub2 kscnwrp                           @4152     0x0000
   struct ktuxcuba, 8 bytes                 @4156    
      ub4 kubadba                           @4156     0x00400012
      ub2 kubaseq                           @4160     0x0037
      ub1 kubarec                           @4162     0x1f
   sb2 ktuxcflg                             @4164     1 (KTUXCFSK)
   ub2 ktuxcseq                             @4166     0x0037
   sb2 ktuxcnfb                             @4168     1            <==free undo block num
   ub4 ktuxcinc                             @4172     0x00000000
   sb2 ktuxcchd                             @4176     34
   sb2 ktuxcctl                             @4178     32
   ub2 ktuxcmgc                             @4180     0x8002
   ub4 ktuxcopt                             @4188     0x7ffffffe
   struct ktuxcfbp[0], 12 bytes             @4192    
      struct ktufbuba, 8 bytes              @4192    
         ub4 kubadba                        @4192     0x00400013    <==uba (模拟试验修改为其他uba地址)
         ub2 kubaseq                        @4196     0x0037        <==uba sequence
         ub1 kubarec                        @4198     0x05
      sb2 ktufbext                          @4200     1
      sb2 ktufbspc                          @4202     7200
   struct ktuxcfbp[1], 12 bytes             @4204    
      struct ktufbuba, 8 bytes              @4204    
         ub4 kubadba                        @4204     0x00000000
         ub2 kubaseq                        @4208     0x0035
         ub1 kubarec                        @4210     0x2a
      sb2 ktufbext                          @4212     5
      sb2 ktufbspc                          @4214     3446
   struct ktuxcfbp[2], 12 bytes             @4216    
      struct ktufbuba, 8 bytes              @4216    
         ub4 kubadba                        @4216     0x00000000
         ub2 kubaseq                        @4220     0x0035
         ub1 kubarec                        @4222     0x37
      sb2 ktufbext                          @4224     5
      sb2 ktufbspc                          @4226     1336
   struct ktuxcfbp[3], 12 bytes             @4228    
      struct ktufbuba, 8 bytes              @4228    
         ub4 kubadba                        @4228     0x00000000
         ub2 kubaseq                        @4232     0x0000
         ub1 kubarec                        @4234     0x00
      sb2 ktufbext                          @4236     0
      sb2 ktufbspc                          @4238     0
   struct ktuxcfbp[4], 12 bytes             @4240    
      struct ktufbuba, 8 bytes              @4240    
         ub4 kubadba                        @4240     0x00000000
         ub2 kubaseq                        @4244     0x0000
         ub1 kubarec                        @4246     0x00
      sb2 ktufbext                          @4248     0
      sb2 ktufbspc                          @4250     0

BBED> set dba 0x00400013
        DBA             0x00400013 (4194323 1,19)

BBED> p ktubh
struct ktubh, 26 bytes                      @20      
   struct ktubhxid, 8 bytes                 @20      
      ub2 kxidusn                           @20       0x0000
      ub2 kxidslt                           @22       0x0020
      ub4 kxidsqn                           @24       0x00000029
   ub2 ktubhseq                             @28       0x0037    <==uba seq
   ub1 ktubhcnt                             @30       0x05
   ub1 ktubhirb                             @31       0x05
   ub1 ktubhicl                             @32       0x00
   ub1 ktubhflg                             @33       0x00
   ub2 ktubhidx[0]                          @34       0x1fe8
   ub2 ktubhidx[1]                          @36       0x1f2c
   ub2 ktubhidx[2]                          @38       0x1e70
   ub2 ktubhidx[3]                          @40       0x1db4
   ub2 ktubhidx[4]                          @42       0x1cf8
   ub2 ktubhidx[5]                          @44       0x1c3c

BBED> set dba 0x00400012
        DBA             0x00400012 (4194322 1,18)

BBED> p ktubh
struct ktubh, 86 bytes                      @20      
   struct ktubhxid, 8 bytes                 @20      
      ub2 kxidusn                           @20       0x0000
      ub2 kxidslt                           @22       0x0020
      ub4 kxidsqn                           @24       0x00000029
   ub2 ktubhseq                             @28       0x0037
   ub1 ktubhcnt                             @30       0x23
   ub1 ktubhirb                             @31       0x23
   ub1 ktubhicl                             @32       0x00
   ub1 ktubhflg                             @33       0x00
   ub2 ktubhidx[0]                          @34       0x1fe8
   …………
   ub2 ktubhidx[35]                         @104      0x00b4

BBED> set block 9
        BLOCK#          9

BBED> set count 16
        COUNT           16

BBED> m /x 12004000 offset 4192
Warning: contents of previous BIFILE will be lost. Proceed? (Y/N) y
 File: /u01/oracle/oradata/XFF/system01.dbf (1)
 Block: 9                Offsets: 4192 to 4207           Dba:0x00400009
------------------------------------------------------------------------
 12004000 37000500 0100201c 00000000 

 <32 bytes per line>

BBED>  p ktuxc
struct ktuxc, 104 bytes                     @4148    
   struct ktuxcscn, 8 bytes                 @4148    
      ub4 kscnbas                           @4148     0x0006c75b
      ub2 kscnwrp                           @4152     0x0000
   struct ktuxcuba, 8 bytes                 @4156    
      ub4 kubadba                           @4156     0x00400012
      ub2 kubaseq                           @4160     0x0037
      ub1 kubarec                           @4162     0x1f
   sb2 ktuxcflg                             @4164     1 (KTUXCFSK)
   ub2 ktuxcseq                             @4166     0x0037
   sb2 ktuxcnfb                             @4168     1
   ub4 ktuxcinc                             @4172     0x00000000
   sb2 ktuxcchd                             @4176     34
   sb2 ktuxcctl                             @4178     32
   ub2 ktuxcmgc                             @4180     0x8002
   ub4 ktuxcopt                             @4188     0x7ffffffe
   struct ktuxcfbp[0], 12 bytes             @4192    
      struct ktufbuba, 8 bytes              @4192    
         ub4 kubadba                        @4192     0x00400012  <==uba已经被修改
         ub2 kubaseq                        @4196     0x0037
         ub1 kubarec                        @4198     0x05
      sb2 ktufbext                          @4200     1
      sb2 ktufbspc                          @4202     7200
   struct ktuxcfbp[1], 12 bytes             @4204    
      struct ktufbuba, 8 bytes              @4204    
         ub4 kubadba                        @4204     0x00000000
         ub2 kubaseq                        @4208     0x0035
         ub1 kubarec                        @4210     0x2a
      sb2 ktufbext                          @4212     5
      sb2 ktufbspc                          @4214     3446
   struct ktuxcfbp[2], 12 bytes             @4216    
      struct ktufbuba, 8 bytes              @4216    
         ub4 kubadba                        @4216     0x00000000
         ub2 kubaseq                        @4220     0x0035
         ub1 kubarec                        @4222     0x37
      sb2 ktufbext                          @4224     5
      sb2 ktufbspc                          @4226     1336
   struct ktuxcfbp[3], 12 bytes             @4228    
      struct ktufbuba, 8 bytes              @4228    
         ub4 kubadba                        @4228     0x00000000
         ub2 kubaseq                        @4232     0x0000
         ub1 kubarec                        @4234     0x00
      sb2 ktufbext                          @4236     0
      sb2 ktufbspc                          @4238     0
   struct ktuxcfbp[4], 12 bytes             @4240    
      struct ktufbuba, 8 bytes              @4240    
         ub4 kubadba                        @4240     0x00000000
         ub2 kubaseq                        @4244     0x0000
         ub1 kubarec                        @4246     0x00
      sb2 ktufbext                          @4248     0
      sb2 ktufbspc                          @4250     0

BBED> sum apply
Check value for File 1, Block 9:
current = 0xe686, required = 0xe686

启动数据库

SQL> startup
ORACLE instance started.

Total System Global Area  318767104 bytes
Fixed Size                  1219160 bytes
Variable Size              96470440 bytes
Database Buffers          213909504 bytes
Redo Buffers                7168000 bytes
Database mounted.
ORA-01092: ORACLE instance terminated. Disconnection forced

alert日志

Fri Nov  4 23:10:37 2011
SMON: enabling cache recovery
Fri Nov  4 23:10:37 2011
ARC2: Archival started
ARC0: STARTING ARCH PROCESSES COMPLETE
ARC0: Becoming the heartbeat ARCH
ARC2 started with pid=18, OS id=21535
Fri Nov  4 23:10:38 2011
Errors in file /u01/oracle/admin/XFF/udump/xff_ora_21529.trc:
ORA-00600: internal error code, arguments: [4194], [35], [6], [], [], [], [], []
Fri Nov  4 23:10:41 2011
Doing block recovery for file 1 block 18
Block recovery from logseq 2, block 48668 to scn 458453
Fri Nov  4 23:10:41 2011
Recovery of Online Redo Log: Thread 1 Group 1 Seq 2 Reading mem 0
  Mem# 0 errs 0: /u01/oracle/oradata/XFF/redo01.log
Block recovery stopped at EOT rba 2.48670.16
Block recovery completed at rba 2.48670.16, scn 0.458451
Doing block recovery for file 1 block 9
Block recovery from logseq 2, block 48668 to scn 458450
Fri Nov  4 23:10:41 2011
Recovery of Online Redo Log: Thread 1 Group 1 Seq 2 Reading mem 0
  Mem# 0 errs 0: /u01/oracle/oradata/XFF/redo01.log
Block recovery completed at rba 2.48670.16, scn 0.458451
Fri Nov  4 23:10:41 2011
Errors in file /u01/oracle/admin/XFF/udump/xff_ora_21529.trc:
ORA-00604: error occurred at recursive SQL level 1
ORA-00607: Internal error occurred while making a change to a data block
ORA-00600: internal error code, arguments: [4194], [35], [6], [], [], [], [], []
Error 604 happened during db open, shutting down database
USER: terminating instance due to error 604
Instance terminated by USER, pid = 21529
ORA-1092 signalled during: ALTER DATABASE OPEN...
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