Corrupt block relative dba: 0x02c0b382 (file 11, block 45954)

 接前面断电故障处理2：oracle数据库断电无法启动恢复-CSDN博客

DM00 started with pid=145, OS id=16516, job SYS.SYS_IMPORT_TABLE_01
2024-09-13T20:05:22.331302+08:00
ADVISORY: Please collect redo for investigation of ORA-8103. Use command:
   ALTER SYSTEM DUMP REDO scn min 1 scn max 126825832 dba min 11 45954 dba max 11 45954;
Hex dump of (file 11, block 45954) in trace file /home/db/oracle/diag/rdbms/jycaps/jycaps/trace/jycaps_ora_16575.trc

Corrupt block relative dba: 0x02c0b382 (file 11, block 45954)
Bad header found during buffer read (logical check)
Data in bad block:
 type: 35 format: 2 rdba: 0x02c0b382
 last change scn: 0x0000.0000.078d2119 seq: 0x1 flg: 0x04
 spare3: 0x0
 consistency value in tail: 0x21192301
 check value in block header: 0xb50a
 computed block checksum: 0x0

2024-09-13T20:05:34.124374+08:00
ADVISORY: Please collect redo for investigation of ORA-8103. Use command:
   ALTER SYSTEM DUMP REDO scn min 1 scn max 126825846 dba min 42 234330 dba max 42 234330;
Hex dump of (file 42, block 234330) in trace file /home/db/oracle/diag/rdbms/jycaps/jycaps/trace/jycaps_ora_16575.trc

Corrupt block relative dba: 0x0a83935a (file 42, block 234330)
Bad header found during buffer read (logical check)
Data in bad block:
 type: 35 format: 2 rdba: 0x0a83935a
 last change scn: 0x0000.0000.0777f48b seq: 0x1 flg: 0x04
 spare3: 0x0
 consistency value in tail: 0xf48b2301
 check value in block header: 0x4c6
 computed block checksum: 0x0

参考：
ORA-600 [kcbz_check_objd_typ_3] Error from SMON Process Repeatedly (Doc ID 577579.1)    

SQL> SELECT owner,
  2     segment_name,
  3     partition_name,
  4     segment_type,
  5     bytes
  6   FROM dba_segments
  7   WHERE segment_name in('MAIN_JOB_SMS_LIST','FLE_CHANGETIME_BACK');

OWNER
--------------------------------------------------------------------------------
SEGMENT_NAME
--------------------------------------------------------------------------------
PARTITION_NAME
--------------------------------------------------------------------------------
SEGMENT_TYPE                              BYTES
------------------------------------ ----------
MDM
MAIN_JOB_SMS_LIST

TABLE

OWNER
--------------------------------------------------------------------------------
SEGMENT_NAME
--------------------------------------------------------------------------------
PARTITION_NAME
--------------------------------------------------------------------------------
SEGMENT_TYPE                              BYTES
------------------------------------ ----------
FLEXSCHE
FLE_CHANGETIME_BACK

TABLE                                    917504

OWNER
--------------------------------------------------------------------------------
SEGMENT_NAME
--------------------------------------------------------------------------------
PARTITION_NAME
--------------------------------------------------------------------------------
SEGMENT_TYPE                              BYTES
------------------------------------ ----------
FLEXSCHE_MONTH
FLE_CHANGETIME_BACK

TABLE                                   2097152

SQL>  select * from v$database_block_corruption;

no rows selected

SQL> exit
Disconnected from Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production
[oracle@jyc dmp]$ rman target /

Recovery Manager: Release 12.2.0.1.0 - Production on Fri Sep 13 20:10:03 2024

Copyright (c) 1982, 2017, Oracle and/or its affiliates.  All rights reserved.

connected to target database: jycAPS (DBID=2374181147)

RMAN> backup validate datafile 11;

Starting backup at 2024-09-13 20:10:12
using target database control file instead of recovery catalog
allocated channel: ORA_DISK_1
channel ORA_DISK_1: SID=123 device type=DISK
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00011 name=/home/db/oracle/oradata/jycaps/flexsche_data_01.dbf
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:25
List of Datafiles
=================
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
11   OK     0              61722        584192          126820454 
  File Name: /home/db/oracle/oradata/jycaps/flexsche_data_01.dbf
  Block Type Blocks Failing Blocks Processed
  ---------- -------------- ----------------
  Data       0              425240          
  Index      0              90604           
  Other      0              6626            

Finished backup at 2024-09-13 20:10:38

RMAN> select * from v$database_block_corruption;

no rows selected

RMAN> backup validate datafile 42;

Starting backup at 2024-09-13 20:11:11
using channel ORA_DISK_1
channel ORA_DISK_1: starting full datafile backup set
channel ORA_DISK_1: specifying datafile(s) in backup set
input datafile file number=00042 name=/home/db/oracle/oradata/jycaps/wb_dispatcher_data_02.dbf
channel ORA_DISK_1: backup set complete, elapsed time: 00:00:15
List of Datafiles
=================
File Status Marked Corrupt Empty Blocks Blocks Examined High SCN
---- ------ -------------- ------------ --------------- ----------
42   OK     0              20260        255232          125301901 
  File Name: /home/db/oracle/oradata/jycaps/wb_dispatcher_data_02.dbf
  Block Type Blocks Failing Blocks Processed
  ---------- -------------- ----------------
  Data       0              227616          
  Index      0              5153            
  Other      0              2203            

Finished backup at 2024-09-13 20:11:26

RMAN> exit

Recovery Manager complete.
[oracle@jyc dmp]$ sqlplus / as sysdba

SQL*Plus: Release 12.2.0.1.0 Production on Fri Sep 13 20:12:00 2024

Copyright (c) 1982, 2016, Oracle.  All rights reserved.

Connected to:
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production

SQL> select owner, segment_name, segment_type, partition_name,tablespace_name from dba_extents where relative_fno = 11 and 45954 between block_id and (block_id+blocks-1);

no rows selected

SQL> select owner, segment_name, segment_type, partition_name,tablespace_name from dba_extents where relative_fno = 42 and 234330 between block_id and (block_id+blocks-1);

no rows selected

SQL> select * from v$database_block_corruption;

no rows selected
 

 

SQL> !
[oracle@jyc dmp]$ grep MISMATCH /home/db/oracle/diag/rdbms/jycaps/jycaps/trace/jycaps_ora_16575.trc|more
OBJD MISMATCH typ=35, seg.obj=0, diskobj=305208, dsflg=0, dsobj=305168, tid=305168, cls=4
OBJD MISMATCH typ=35, seg.obj=0, diskobj=305208, dsflg=0, dsobj=305168, tid=305168, cls=4
OBJD MISMATCH typ=35, seg.obj=0, diskobj=305214, dsflg=0, dsobj=305204, tid=305204, cls=4
OBJD MISMATCH typ=35, seg.obj=0, diskobj=305214, dsflg=0, dsobj=305204, tid=305204, cls=4
[oracle@jyc dmp]$ sqlplus / as sysdba

SQL*Plus: Release 12.2.0.1.0 Production on Fri Sep 13 20:24:27 2024

Copyright (c) 1982, 2016, Oracle.  All rights reserved.

Connected to:
Oracle Database 12c Enterprise Edition Release 12.2.0.1.0 - 64bit Production

SQL> select * from seg$ where file#=11 and block# = 45954;

     FILE#     BLOCK#      TYPE#        TS#     BLOCKS    EXTENTS    INIEXTS
---------- ---------- ---------- ---------- ---------- ---------- ----------
   MINEXTS    MAXEXTS    EXTSIZE     EXTPCT      USER#      LISTS     GROUPS
---------- ---------- ---------- ---------- ---------- ---------- ----------
BITMAPRANGES  CACHEHINT   SCANHINT    HWMINCR     SPARE1     SPARE2
------------ ---------- ---------- ---------- ---------- ----------
        11      45954          5          8        112         14          8
         1 2147483645        128          0        120          0          0
  2147483645          0          0     305168    4325633

SQL> select * from seg$ where file#=42 and block# = 234330;

     FILE#     BLOCK#      TYPE#        TS#     BLOCKS    EXTENTS    INIEXTS
---------- ---------- ---------- ---------- ---------- ---------- ----------
   MINEXTS    MAXEXTS    EXTSIZE     EXTPCT      USER#      LISTS     GROUPS
---------- ---------- ---------- ---------- ---------- ---------- ----------
BITMAPRANGES  CACHEHINT   SCANHINT    HWMINCR     SPARE1     SPARE2
------------ ---------- ---------- ---------- ---------- ----------
        42     234330          5         28          8          1          2
         1 2147483645          1          0        118          0          0
  2147483645          0          0     305204    4194561

SQL> select object_id, data_object_id, owner, object_name, object_type from dba_objects where data_object_id in(305168, 305208) or object_id in (305168, 305208);

 OBJECT_ID DATA_OBJECT_ID
---------- --------------
OWNER
--------------------------------------------------------------------------------
OBJECT_NAME
--------------------------------------------------------------------------------
OBJECT_TYPE
----------------------------------------------
     79395         305168
FLEXSCHE
FLE_CHANGETIME_BACK
TABLE

SQL> select object_id, data_object_id, owner, object_name, object_type from dba_objects where data_object_id in(305204, 305214) or object_id in (305204, 305214);

 OBJECT_ID DATA_OBJECT_ID
---------- --------------
OWNER
--------------------------------------------------------------------------------
OBJECT_NAME
--------------------------------------------------------------------------------
OBJECT_TYPE
----------------------------------------------
     78431         305204
MDM
MAIN_JOB_SMS_LIST
TABLE

SQL> select segment_name, owner, segment_type from sys.dba_extents
  2  where file_id = 11 and 45954 between block_id and block_id + blocks -1;

no rows selected

SQL> select segment_name, owner, segment_type from sys.dba_extents
  2  where file_id = 42 and 234330 between block_id and block_id + blocks -1;

no rows selected

SQL>