ORA-600 [3020]解决方法

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本文记录了一次因服务器突然掉电导致Oracle 10g数据库无法启动的问题处理过程。通过详细的错误日志分析、坏块定位及恢复操作，最终实现了数据库的成功启动。

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http://blog.chinaunix.net/u/7121/showart_415391.html

本文来自网络; http://blog.chinaunix.net/u/7121/showart_415391.html

作者：olivenan@hotmail.com
转载请注意保留本文地址与作者署名，谢谢。
由于服务器突然掉电，重启机器后发现数据库无法启动。
数据库版本 oracle10201，OS REDHAT AS4
数据库无归档，无备份
一、查看错误
查看报警日志错误如下:
Errors in file /u01/app/oracle/admin/monitor/bdump/monitorbj6_p001_9216.trc:
ORA-00600: internal error code, arguments: [3020], [5], [145802], [21117322], [], [], [], []
ORA-10567: Redo is inconsistent with data block (file# 5, block# 145802)
ORA-10564: tablespace BWMONITOR
ORA-01110: data file 5: '/data/oradata/monitor/bwmonitor/bwmonitor01.dbf'
ORA-10560: block type 'FIRST LEVEL BITMAP BLOCK'

[root@CCN-BJ-6-579 ~]# su - oracle
[oracle@CCN-BJ-6-579 ~]$ sqlplus "/as sysdba"
SQL*Plus: Release 10.2.0.1.0 - Production on Sun Nov 4 10:30:04 2007
Copyright (c) 1982, 2005, Oracle. All rights reserved.

Connected to:
Oracle Database 10g Enterprise Edition Release 10.2.0.1.0 - Production
With the Partitioning, OLAP and Data Mining options
SQL> select open_mode from v$database;
OPEN_MODE
----------
MOUNTED
尝试打开数据库
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01113: file 2 needs media recovery
ORA-01110: data file 2: '/data/oradata/monitor/undotbs01.dbf'

SQL> recover datafile 2;
Media recovery complete.
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01172: recovery of thread 1 stuck at block 145802 of file 5
ORA-01151: use media recovery to recover block, restore backup if needed

SQL> select file#,name from v$datafile where file#=5;

FILE# NAME
------------------------------------------------------------
5 /data/oradata/monitor/bwmonitor/bwmonitor01.dbf

1 rows selected.
SQL> recover datafile 5;
ORA-00283: recovery session canceled due to errors
ORA-12801: error signaled in parallel query server P001
ORA-00600: internal error code, arguments: [3020], [5], [145802], [21117322],
[], [], [], []
ORA-10567: Redo is inconsistent with data block (file# 5, block# 145802)
ORA-10564: tablespace BWMONITOR
ORA-01110: data file 5: '/data/oradata/monitor/bwmonitor/bwmonitor01.dbf'
ORA-10560: block type 'FIRST L
使用dbv查看坏块
[oracle@CCN-BJ-6-579 bdump]$ dbv file=/data/oradata/monitor/bwmonitor/bwmonitor01.dbf blocksize=8192
DBVERIFY: Release 10.2.0.1.0 - Production on Sun Nov 4 10:47:56 2007
Copyright (c) 1982, 2005, Oracle. All rights reserved.
DBVERIFY - Verification starting : FILE = /data/oradata/monitor/bwmonitor/bwmonitor01.dbf
Page 128843 is influx - most likely media corrupt
Corrupt block relative dba: 0x0141f74b (file 5, block 128843)
Fractured block found during dbv:
Data in bad block:
type: 6 format: 2 rdba: 0x0141f74b
last change scn: 0x0000.14e1187e seq: 0x1 flg: 0x06
spare1: 0x0 spare2: 0x0 spare3: 0x0
consistency value in tail: 0xbc660601
check value in block header: 0x7cba
computed block checksum: 0x54ae
Page 128851 is influx - most likely media corrupt
Corrupt block relative dba: 0x0141f753 (file 5, block 128851)
Fractured block found during dbv:
Data in bad block:
type: 6 format: 2 rdba: 0x0141f753
last change scn: 0x0000.14e0bc66 seq: 0x1 flg: 0x06
spare1: 0x0 spare2: 0x0 spare3: 0x0
consistency value in tail: 0x187e0601
check value in block header: 0x1e80
computed block checksum: 0x1d10

DBV-00200: Block, dba 21108455, already marked corrupted
DBV-00200: Block, dba 21108463, already marked corrupted
DBV-00200: Block, dba 21108471, already marked corrupted
DBV-00200: Block, dba 21108479, already marked corrupted
Page 136967 is influx - most likely media corrupt
Corrupt block relative dba: 0x01421707 (file 5, block 136967)
Fractured block found during dbv:
Data in bad block:
type: 6 format: 2 rdba: 0x01421707
last change scn: 0x0000.14e0f557 seq: 0x2 flg: 0x04
spare1: 0x0 spare2: 0x0 spare3: 0x0
consistency value in tail: 0x2b38061b
check value in block header: 0x4aaf
computed block checksum: 0x3984

DBV-00200: Block, dba 21113354, already marked corrupted
DBV-00200: Block, dba 21113418, already marked corrupted
Block Checking: DBA = 21113419, Block Type = KTB-managed data block
data header at 0xb7f27264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141899 failed with check code 6101
Block Checking: DBA = 21113420, Block Type = KTB-managed data block
data header at 0xb7f29264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141900 failed with check code 6101
Block Checking: DBA = 21113421, Block Type = KTB-managed data block
data header at 0xb7f2b264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141901 failed with check code 6101
Block Checking: DBA = 21113422, Block Type = KTB-managed data block
data header at 0xb7f2d264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=1   ktbbhitc=2
Page 141902 failed with check code 6101
Block Checking: DBA = 21113423, Block Type = KTB-managed data block
data header at 0xb7f2f264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141903 failed with check code 6101
Block Checking: DBA = 21113424, Block Type = KTB-managed data block
data header at 0xb7f31264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141904 failed with check code 6101
Block Checking: DBA = 21113425, Block Type = KTB-managed data block
data header at 0xb7f33264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141905 failed with check code 6101
DBV-00200: Block, dba 21113426, already marked corrupted
DBV-00200: Block, dba 21113434, already marked corrupted
Block Checking: DBA = 21113435, Block Type = KTB-managed data block
data header at 0xb7f47264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141915 failed with check code 6101
Block Checking: DBA = 21113436, Block Type = KTB-managed data block
data header at 0xb7f49264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141916 failed with check code 6101
Block Checking: DBA = 21113437, Block Type = KTB-managed data block
data header at 0xb7f4b264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141917 failed with check code 6101
Block Checking: DBA = 21113438, Block Type = KTB-managed data block
data header at 0xb7f4d264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141918 failed with check code 6101
Block Checking: DBA = 21113439, Block Type = KTB-managed data block
data header at 0xb7f4f264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=1   ktbbhitc=2
Page 141919 failed with check code 6101
Block Checking: DBA = 21113440, Block Type = KTB-managed data block
data header at 0xb7f51264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141920 failed with check code 6101
Block Checking: DBA = 21113441, Block Type = KTB-managed data block
data header at 0xb7f53264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141921 failed with check code 6101
DBV-00200: Block, dba 21113442, already marked corrupted
DBV-00200: Block, dba 21113450, already marked corrupted
Block Checking: DBA = 21113451, Block Type = KTB-managed data block
data header at 0xb7f67264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=1   ktbbhitc=2
Page 141931 failed with check code 6101
Block Checking: DBA = 21113452, Block Type = KTB-managed data block
data header at 0xb7f69264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141932 failed with check code 6101
Block Checking: DBA = 21113453, Block Type = KTB-managed data block
data header at 0xb7f6b264
kdbchk: row locked by non-existent transaction
        table=0   slot=0
        lockid=2   ktbbhitc=2
Page 141933 failed with check code 6101

DBVERIFY - Verification complete
Total Pages Examined         : 384000
Total Pages Processed (Data) : 118235
Total Pages Failing   (Data) : 17
Total Pages Processed (Index): 37073
Total Pages Failing   (Index): 0
Total Pages Processed (Other): 1431
Total Pages Processed (Seg) : 0
Total Pages Failing   (Seg) : 0
Total Pages Empty            : 227258
Total Pages Marked Corrupt   : 13
Total Pages Influx           : 3
Highest block SCN            : 350302023 (0.350302023)
[oracle@CCN-BJ-6-579 bdump]$

Alter Database Backup Controlfile to Trace;

二、根据metalink提供解决方法进行恢复。
metalink查找解决方案
https://metalink.oracle.com/metalink/plsql/f?
p=130:14:8927158941743069727::::p14_database_id,p14_docid,p14_show_header,p14_show_help,p14_black_frame,p14_font:NOT,361172.1,1,1,1,helvetica
Subject: Resolving ORA-600[3020] Raised During Recovery
Doc ID: Note:361172.1
由于是无归档，无备份，只好死马当活马医。
SQL> recover database test;
ORA-10586: Test recovery had to corrupt 1 data block in order to proceed
ORA-10573: Test recovery tested redo from change 350296383 to 350302447
ORA-10570: Test recovery complete

SQL> recover database allow 1 corruption;
Media recovery complete.
SQL> recover database test;
ORA-10572: Test recovery canceled due to errors
ORA-00264: no recovery required

SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-03113: end-of-file on communication channel

SQL> conn /as sysdba
Connected to an idle instance.
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01034: ORACLE not available

SQL> startup
ORACLE instance started.
Total System Global Area 1241513984 bytes
Fixed Size                  1219136 bytes
Variable Size             134219200 bytes
Database Buffers         1090519040 bytes
Redo Buffers               15556608 bytes
Database mounted.
ORA-03113: end-of-file on communication channel
三、修复错误 ORA-600 [3705]
查看报警日志，错误变为
Errors in file /u01/app/oracle/admin/monitor/bdump/monitorbj6_lgwr_9651.trc:
ORA-00600: internal error code, arguments: [3705], [1], [2], [2], [2], [], [], []
metalink查找 ora-600 3705解决方案
https://metalink.oracle.com/metalink/plsql/f?
p=130:14:8927158941743069727::::p14_database_id,p14_docid,p14_show_header,p14_show_help,p14_black_frame,p14_font:NOT,1054592.6,1,1,1,helvetica
Subject: ORA-449 AND ORA-600[3705] WHEN TRYING TO OPEN DATABASE
Doc ID: Note:1054592.6

SQL> conn /as sysdba
Connected to an idle instance.
SQL> startup mount;
ORACLE instance started.
Total System Global Area 1241513984 bytes
Fixed Size                  1219136 bytes
Variable Size             134219200 bytes
Database Buffers         1090519040 bytes
Redo Buffers               15556608 bytes
Database mounted.
创建控制文件备份
SQL> Alter Database Backup Controlfile to Trace;
Database altered.
SQL> select d.value || '/' || lower(rtrim(i.instance, chr(0))) || '_ora_' ||
2         p.SPID || '.trc'
3    from (select p.SPID
4            from v$mystat m, v$session s, v$process p
5           where m.STATISTIC# = 1
6             and s.SID = m.SID
7             and p.ADDR = s.PADDR) p,
8         (select t.INSTANCE
9            from v$thread t, v$parameter v
10           where v.name = 'thread'
11             and (v.VALUE = 0 or t.THREAD# = to_number(v.VALUE))) i,
12         (select value from v$parameter where name = 'user_dump_dest') d
13 ;
D.VALUE||'/'||LOWER(RTRIM(I.INSTANCE,CHR(0)))||'_ORA_'||P.SPID||'.TRC'
--------------------------------------------------------------------------------
/u01/app/oracle/admin/monitor/udump/monitorbj6_ora_10203.trc
创建pfile文件
SQL> create pfile='/tmp/aa.txt' from spfile;
File created.
SQL> shutdown immediate
ORA-01109: database not open

Database dismounted.
ORACLE instance shut down.
以pfile方式启动到nomount状态
SQL> startup nomount pfile='/tmp/aa.txt';
ORACLE instance started.
Total System Global Area 1241513984 bytes
Fixed Size                  1219136 bytes
Variable Size             134219200 bytes
Database Buffers         1090519040 bytes
Redo Buffers               15556608 bytes
创建控制文件
SQL> CREATE CONTROLFILE REUSE DATABASE "MONITOR" NORESETLOGS NOARCHIVELOG
2      MAXLOGFILES 16
3      MAXLOGMEMBERS 3
4      MAXDATAFILES 100
5      MAXINSTANCES 8
6      MAXLOGHISTORY 18688
7 LOGFILE
8    GROUP 1 '/data/oradata/monitor/redo01.log' SIZE 50M,
9    GROUP 2 '/data/oradata/monitor/redo02.log' SIZE 50M,
10    GROUP 3 '/data/oradata/monitor/redo03.log' SIZE 50M
11 -- STANDBY LOGFILE
12 DATAFILE
13    '/data/oradata/monitor/system01.dbf',
14    '/data/oradata/monitor/undotbs01.dbf',
15    '/data/oradata/monitor/sysaux01.dbf',
16    '/data/oradata/monitor/users01.dbf',
17    '/data/oradata/monitor/bwmonitor/bwmonitor01.dbf',
18    '/data/oradata/monitor/bwmonitor/bw_m_c_1.dbf',
19    '/data/oradata/monitor/bwmonitor/bw_m_c_2.dbf',
20    '/data/oradata/monitor/bwmonitor/bw_m_c_3.dbf',
21    '/data/oradata/monitor/bwmonitor/bw_m_c_4.dbf'
22 CHARACTER SET ZHS16GBK
23 ;
Control file created.
SQL> select open_mode from v$database;
OPEN_MODE
----------
MOUNTED
打开数据库，提示需要进行介质恢复
SQL> alter database open;
alter database open
*
ERROR at line 1:
ORA-01113: file 1 needs media recovery
ORA-01110: data file 1: '/data/oradata/monitor/system01.dbf'
执行介质恢复。
SQL> recover database;
Media recovery complete.
打开数据库
SQL> alter database open;
Database altered.
SQL> select open_mode from v$database;
OPEN_MODE
----------
READ WRITE
SQL>
最后数据库成功启动。
注意数据库启动后要添加临时表空间的数据文件。