标签归档:ORA-600 3020

硬件故障数据库异常恢复

硬件故障数据库crash
有客户由于硬件故障导致数据库异常ORA-00345 ORA-00312 ORA-27070 OSD-04016

Tue Feb 05 16:58:26 2019
Thread 1 advanced to log sequence 17139 (LGWR switch)
  Current log# 12 seq# 17139 mem# 0: S:\ORADATA\ORCL\REDO12A.LOG
  Current log# 12 seq# 17139 mem# 1: S:\ORADATA\ORCL\REDO12B.LOG
Tue Feb 05 19:47:24 2019
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_lgwr_2420.trc:
ORA-00345: redo log write error block 152097 count 8
ORA-00312: online log 12 thread 1: 'S:\ORADATA\ORCL\REDO12A.LOG'
ORA-27070: async read/write failed
OSD-04016: 异步 I/O 请求排队时出错。
O/S-Error: (OS 1) 函数不正确。
ORA-00345: redo log write error block 152097 count 8
ORA-00312: online log 12 thread 1: 'S:\ORADATA\ORCL\REDO12B.LOG'
ORA-27070: async read/write failed
OSD-04016: 异步 I/O 请求排队时出错。
O/S-Error: (OS 1) 函数不正确。
ORA-00345: redo log write error block 152105 count 1
ORA-00312: online log 12 thread 1: 'S:\ORADATA\ORCL\REDO12A.LOG'
ORA-27070: async read/write failed
OSD-04016: 异步 I/O 请求排队时出错。
O/S-Error: (OS 1) 函数不正确。

直接启动数据库报错
修复好硬件之后,直接启动数据库报ORA-00600 kcratr_scan_lastbwr错误

Fri Feb 08 20:58:15 2019
alter database mount exclusive
Successful mount of redo thread 1, with mount id 1527506791
Database mounted in Exclusive Mode
Lost write protection disabled
Completed: alter database mount exclusive
alter database open
Beginning crash recovery of 1 threads
Started redo scan
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_ora_3672.trc  (incident=41353):
ORA-00600: ??????, ??: [kcratr_scan_lastbwr], [], [], [], [], [], [], [], [], [], [], []
Incident details in: c:\oracle\diag\rdbms\orcl\orcl\incident\incdir_41353\orcl_ora_3672_i41353.trc
Aborting crash recovery due to error 600
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_ora_3672.trc:
ORA-00600: ??????, ??: [kcratr_scan_lastbwr], [], [], [], [], [], [], [], [], [], [], []
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_ora_3672.trc:
ORA-00600: ??????, ??: [kcratr_scan_lastbwr], [], [], [], [], [], [], [], [], [], [], []
ORA-600 signalled during: alter database open...
Fri Feb 08 20:58:24 2019
Trace dumping is performing id=[cdmp_20190208205824]
Fri Feb 08 20:59:04 2019
alter database open 
Beginning crash recovery of 1 threads
Started redo scan
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_ora_1696.trc  (incident=41354):
ORA-00600: 内部错误代码, 参数: [kcratr_scan_lastbwr], [], [], [], [], [], [], [], [], [], [], []
Incident details in: c:\oracle\diag\rdbms\orcl\orcl\incident\incdir_41354\orcl_ora_1696_i41354.trc
Aborting crash recovery due to error 600
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_ora_1696.trc:
ORA-00600: 内部错误代码, 参数: [kcratr_scan_lastbwr], [], [], [], [], [], [], [], [], [], [], []
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_ora_1696.trc:
ORA-00600: 内部错误代码, 参数: [kcratr_scan_lastbwr], [], [], [], [], [], [], [], [], [], [], []
ORA-600 signalled during: alter database open ...

recover database报错
执行recover database报错ORA-00600 6101,ORA-00600 kdourp_inorder2,ORA-00600 ktbsdp1,ORA-00600 3020

Fri Feb 08 21:09:20 2019
ALTER DATABASE RECOVER  database  
Media Recovery Start
 started logmerger process
Parallel Media Recovery started with 4 slaves
Fri Feb 08 21:09:21 2019
Recovery of Online Redo Log: Thread 1 Group 12 Seq 17139 Reading mem 0
  Mem# 0: S:\ORADATA\ORCL\REDO12A.LOG
  Mem# 1: S:\ORADATA\ORCL\REDO12B.LOG
Fri Feb 08 21:09:21 2019
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr02_3780.trc  (incident=49379):
ORA-00600: internal error code, arguments: [6101], [17], [21], [0], [], [], [], [], [], [], [], []
Incident details in: c:\oracle\diag\rdbms\orcl\orcl\incident\incdir_49379\orcl_pr02_3780_i49379.trc
Fri Feb 08 21:09:21 2019
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr01_2040.trc  (incident=49371):
ORA-00600: internal error code, arguments: [kdourp_inorder2], [34], [0], [0], [44], [], [], [], [], [], [], []
Incident details in: c:\oracle\diag\rdbms\orcl\orcl\incident\incdir_49371\orcl_pr01_2040_i49371.trc
Fri Feb 08 21:09:21 2019
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr03_1068.trc  (incident=49387):
ORA-00600: internal error code, arguments: [ktbsdp1], [], [], [], [], [], [], [], [], [], [], []
Incident details in: c:\oracle\diag\rdbms\orcl\orcl\incident\incdir_49387\orcl_pr03_1068_i49387.trc
Fri Feb 08 21:09:24 2019
Trace dumping is performing id=[cdmp_20190208210924]
Slave exiting with ORA-10562 exception
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr03_1068.trc:
ORA-10562: Error occurred while applying redo to data block (file# 4, block# 1716972)
ORA-10564: tablespace USERS
ORA-01110: data file 4: 'S:\ORADATA\ORCL\USERS01.DBF'
ORA-10561: block type 'TRANSACTION MANAGED DATA BLOCK', data object# 204127
ORA-00600: internal error code, arguments: [ktbsdp1], [], [], [], [], [], [], [], [], [], [], []
Slave exiting with ORA-10562 exception
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr02_3780.trc:
ORA-10562: Error occurred while applying redo to data block (file# 4, block# 1738552)
ORA-10564: tablespace USERS
ORA-01110: data file 4: 'S:\ORADATA\ORCL\USERS01.DBF'
ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 211606
ORA-00600: internal error code, arguments: [6101], [17], [21], [0], [], [], [], [], [], [], [], []
Slave exiting with ORA-10562 exception
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr01_2040.trc:
ORA-10562: Error occurred while applying redo to data block (file# 4, block# 1725898)
ORA-10564: tablespace USERS
ORA-01110: data file 4: 'S:\ORADATA\ORCL\USERS01.DBF'
ORA-10561: block type 'TRANSACTION MANAGED DATA BLOCK', data object# 73907
ORA-00600: internal error code, arguments: [kdourp_inorder2], [34], [0], [0], [44], [], [], [], [], [], [], []
Recovery Slave PR03 previously exited with exception 10562
Fri Feb 08 21:09:28 2019
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr04_2608.trc  (incident=49395):
ORA-00600: internal error code, arguments: [3020], [4], [1739291], [18516507], [], [], [], [], [], [], [], []
ORA-10567: Redo is inconsistent with data block (file# 4, block# 1739291, file offset is 1363369984 bytes)
ORA-10564: tablespace USERS
ORA-01110: data file 4: 'S:\ORADATA\ORCL\USERS01.DBF'
ORA-10561: block type 'TRANSACTION MANAGED DATA BLOCK', data object# 211552
Incident details in: c:\oracle\diag\rdbms\orcl\orcl\incident\incdir_49395\orcl_pr04_2608_i49395.trc
Slave exiting with ORA-600 exception
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr04_2608.trc:
ORA-00600: internal error code, arguments: [3020], [4], [1739291], [18516507], [], [], [], [], [], [], [], []
ORA-10567: Redo is inconsistent with data block (file# 4, block# 1739291, file offset is 1363369984 bytes)
ORA-10564: tablespace USERS
ORA-01110: data file 4: 'S:\ORADATA\ORCL\USERS01.DBF'
ORA-10561: block type 'TRANSACTION MANAGED DATA BLOCK', data object# 211552
Media Recovery failed with error 448
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr00_1548.trc:
ORA-00283: recovery session canceled due to errors
ORA-00448: normal completion of background process
Slave exiting with ORA-283 exception
Errors in file c:\oracle\diag\rdbms\orcl\orcl\trace\orcl_pr00_1548.trc:
ORA-00283: recovery session canceled due to errors
ORA-00448: normal completion of background process
ORA-10562 signalled during: ALTER DATABASE RECOVER  database  ...

出现上述问题主要是由于硬件突然故障,数据写丢失导致相关问题.

处理思路

RMAN> recover datafile 1;

启动 recover 于 09-2月 -19
使用通道 ORA_DISK_1

正在开始介质的恢复
介质恢复完成, 用时: 00:00:01

完成 recover 于 09-2月 -19

RMAN> recover datafile 2;

启动 recover 于 09-2月 -19
使用通道 ORA_DISK_1

正在开始介质的恢复
介质恢复完成, 用时: 00:00:01

完成 recover 于 09-2月 -19

RMAN> recover datafile 3;

启动 recover 于 09-2月 -19
使用通道 ORA_DISK_1

正在开始介质的恢复
介质恢复完成, 用时: 00:00:02

完成 recover 于 09-2月 -19

RMAN> recover datafile 4;

启动 recover 于 09-2月 -19
使用通道 ORA_DISK_1

正在开始介质的恢复
无法恢复介质
RMAN-00571: ===========================================================
RMAN-00569: =============== ERROR MESSAGE STACK FOLLOWS ===============
RMAN-00571: ===========================================================
RMAN-03002: recover 命令 (在 02/09/2019 21:48:19 上) 失败
ORA-00283: recovery session canceled due to errors
RMAN-11003: 在分析/执行 SQL 语句期间失败: alter database recover if needed
 datafile 4
ORA-00283: 恢复会话因错误而取消
ORA-10562: Error occurred while applying redo to data block (file# 4, block# 172
5913)
ORA-10564: tablespace USERS
ORA-01110: 数据文件 4: 'S:\ORADATA\ORCL\USERS01.DBF'
ORA-10561: block type 'TRANSACTION MANAGED DATA BLOCK', data object# 73907
ORA-00600: 内部错误代码, 参数: [kdourp_inorder2], [34], [43], [44], [44], [], []
, [], [], [], [], []

SQL> recover datafile 4;
ORA-00283: 恢复会话因错误而取消
ORA-10562: Error occurred while applying redo to data block (file# 4, block#
1725913)
ORA-10564: tablespace USERS
ORA-01110: 数据文件 4: 'S:\ORADATA\ORCL\USERS01.DBF'
ORA-10561: block type 'TRANSACTION MANAGED DATA BLOCK', data object# 73907
ORA-00600: 内部错误代码, 参数: [kdourp_inorder2], [34], [43], [44], [44], [],
[], [], [], [], [], []

--通过bbed修改异常文件,屏蔽文件恢复,直接open库
SQL> alter database open;

数据库已更改。

数据库open之后,逻辑方式导出数据,重建新库,导入数据.

发表在 非常规恢复 | 标签为 , , , , , , , , | 评论关闭

ORA-600 4042 故障恢复

通过Oracle数据库异常恢复检查脚本(Oracle Database Recovery Check) 检查结果
wrong_scn
通过上图可以知道file 2未能正常恢复(需要看日志分析原因),file 3以前就被offline,需要历史归档(非归档状态,所以这个先放着,后续再处理)

分析file 2 不成功原因

Wed Aug  3 15:21:11 2016
ALTER DATABASE RECOVER  datafile 2  
Wed Aug  3 15:21:11 2016
Media Recovery Start
 parallel recovery started with 2 processes
Wed Aug  3 15:21:11 2016
Recovery of Online Redo Log: Thread 1 Group 1 Seq 1916 Reading mem 0
  Mem# 0 errs 0: /home/oracle/orabase/oradata/ORACLE/redo01.log
Wed Aug  3 15:21:11 2016
Errors in file /u01/app/oracle/admin/oracle/bdump/oracle_p001_22017.trc:
ORA-00600: internal error code, arguments: [3020], [2], [41], [8388649], [], [], [], []
ORA-10567: Redo is inconsistent with data block (file# 2, block# 41)
ORA-10564: tablespace UNDOTBS1
ORA-01110: data file 2: '/home/oracle/orabase/oradata/ORACLE/undotbs01.dbf'
ORA-10560: block type '0'
Wed Aug  3 15:21:13 2016
Errors in file /u01/app/oracle/admin/oracle/bdump/oracle_p001_22017.trc:
ORA-00600: internal error code, arguments: [3020], [2], [41], [8388649], [], [], [], []
ORA-10567: Redo is inconsistent with data block (file# 2, block# 41)
ORA-10564: tablespace UNDOTBS1
ORA-01110: data file 2: '/home/oracle/orabase/oradata/ORACLE/undotbs01.dbf'
ORA-10560: block type '0'
Wed Aug  3 15:21:18 2016
Media Recovery failed with error 12801
ORA-283 signalled during: ALTER DATABASE RECOVER  datafile 2  ...

通过日志可以知道由于ORA-600 3020导致file 2不能正常的恢复.
处理file 2

SQL> recover  datafile 2 allow 1 corruption;
Media recovery complete.
Thu Aug  4 01:58:35 2016
ALTER DATABASE RECOVER  datafile 2 allow 1 corruption  
Media Recovery Start
 ALLOW CORRUPTION option must use serial recovery
Thu Aug  4 01:58:35 2016
Recovery of Online Redo Log: Thread 1 Group 1 Seq 1916 Reading mem 0
  Mem# 0 errs 0: /home/oracle/orabase/oradata/ORACLE/redo01.log
Thu Aug  4 01:58:35 2016
Media Recovery Complete (oracle)
Completed: ALTER DATABASE RECOVER  datafile 2 allow 1 corruption  

尝试open数据库

SQL> alter database open ;
alter database open
*
ERROR at line 1:
ORA-01092: ORACLE instance terminated. Disconnection forced
Thu Aug  4 01:59:20 2016
alter database open 
Thu Aug  4 01:59:21 2016
Beginning crash recovery of 1 threads
 parallel recovery started with 2 processes
Thu Aug  4 01:59:21 2016
Started redo scan
Thu Aug  4 01:59:21 2016
Completed redo scan
 1619 redo blocks read, 0 data blocks need recovery
Thu Aug  4 01:59:21 2016
Started redo application at
 Thread 1: logseq 1916, block 12724
Thu Aug  4 01:59:21 2016
Recovery of Online Redo Log: Thread 1 Group 1 Seq 1916 Reading mem 0
  Mem# 0 errs 0: /home/oracle/orabase/oradata/ORACLE/redo01.log
Thu Aug  4 01:59:21 2016
Completed redo application
Thu Aug  4 01:59:21 2016
Completed crash recovery at
 Thread 1: logseq 1916, block 14343, scn 3303614971196
 0 data blocks read, 0 data blocks written, 1619 redo blocks read
Thu Aug  4 01:59:21 2016
LGWR: STARTING ARCH PROCESSES
ARC0 started with pid=18, OS id=5542
Thu Aug  4 01:59:21 2016
ARC0: Archival started
ARC1: Archival started
LGWR: STARTING ARCH PROCESSES COMPLETE
ARC1 started with pid=19, OS id=5544
Thu Aug  4 01:59:21 2016
Thread 1 advanced to log sequence 1917
Thread 1 opened at log sequence 1917
  Current log# 2 seq# 1917 mem# 0: /home/oracle/orabase/oradata/ORACLE/redo02.log
Successful open of redo thread 1
Thu Aug  4 01:59:21 2016
MTTR advisory is disabled because FAST_START_MTTR_TARGET is not set
Thu Aug  4 01:59:21 2016
ARC1: STARTING ARCH PROCESSES
Thu Aug  4 01:59:21 2016
ARC0: Becoming the 'no FAL' ARCH
ARC0: Becoming the 'no SRL' ARCH
Thu Aug  4 01:59:21 2016
SMON: enabling cache recovery
Thu Aug  4 01:59:21 2016
ARC2: Archival started
ARC1: STARTING ARCH PROCESSES COMPLETE
ARC1: Becoming the heartbeat ARCH
ARC2 started with pid=20, OS id=5546
Thu Aug  4 01:59:21 2016
db_recovery_file_dest_size of 2048 MB is 1.05% used. This is a
user-specified limit on the amount of space that will be used by this
database for recovery-related files, and does not reflect the amount of
space available in the underlying filesystem or ASM diskgroup.
Thu Aug  4 01:59:22 2016
Errors in file /u01/app/oracle/admin/oracle/udump/oracle_ora_5505.trc:
ORA-00600: internal error code, arguments: [4042], [0], [], [], [], [], [], []
Thu Aug  4 01:59:23 2016
Errors in file /u01/app/oracle/admin/oracle/udump/oracle_ora_5505.trc:
ORA-00600: internal error code, arguments: [4042], [0], [], [], [], [], [], []
Thu Aug  4 01:59:23 2016
Error 600 happened during db open, shutting down database
USER: terminating instance due to error 600
Instance terminated by USER, pid = 5505
ORA-1092 signalled during: alter database open ...

由于ORA-600 4042错误导致数据库无法正常open.
分析ORA-600 4042

PARSING IN CURSOR #4 len=142 dep=1 uid=0 oct=3 lid=0 tim=1435788503594313 hv=361892850 ad='a7ab2db8'
select /*+ rule */ name,file#,block#,status$,user#,undosqn,xactsqn,scnbas,scnwrp,
DECODE(inst#,0,NULL,inst#),ts#,spare1 from undo$ where us#=:1
END OF STMT
PARSE #4:c=0,e=11,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=3,tim=1435788503594311
BINDS #4:
kkscoacd
 Bind#0
  oacdty=02 mxl=22(22) mxlc=00 mal=00 scl=00 pre=00
  oacflg=08 fl2=0001 frm=00 csi=00 siz=24 off=0
  kxsbbbfp=2aae75802218  bln=22  avl=02  flg=05
  value=3
EXEC #4:c=0,e=39,p=0,cr=0,cu=0,mis=0,r=0,dep=1,og=3,tim=1435788503594393
FETCH #4:c=0,e=8,p=0,cr=2,cu=0,mis=0,r=1,dep=1,og=3,tim=1435788503594412
STAT #4 id=1 cnt=1 pid=0 pos=1 obj=15 op='TABLE ACCESS BY INDEX ROWID UNDO$ (cr=2 pr=0 pw=0 time=8 us)'
STAT #4 id=2 cnt=1 pid=1 pos=1 obj=34 op='INDEX UNIQUE SCAN I_UNDO1 (cr=1 pr=0 pw=0 time=3 us)'
WAIT #1: nam='db file sequential read' ela= 10 file#=2 block#=41 blocks=1 obj#=-1 tim=1435788503594468
Dump of buffer cache at level 4 for tsn=1, rdba=8388649
BH (0x95ff3c58) file#: 2 rdba: 0x00800029 (2/41) class: 21 ba: 0x95ef0000
  set: 3 blksize: 8192 bsi: 0 set-flg: 2 pwbcnt: 0
  dbwrid: 0 obj: -1 objn: 0 tsn: 1 afn: 2
  hash: [a8b77880,a8b77880] lru: [95ff3dd0,a8e70338]
  ckptq: [NULL] fileq: [NULL] objq: [a43da110,a43da110]
  use: [a8e6e658,a8e6e658] wait: [NULL]
  st: XCURRENT md: SHR tch: 0
  flags: gotten_in_current_mode
  LRBA: [0x0.0.0] HSCN: [0xffff.ffffffff] HSUB: [65535]
  buffer tsn: 1 rdba: 0x00800029 (2/41)
  scn: 0x0000.00000000 seq: 0x01 flg: 0x01 tail: 0x00000001
  frmt: 0x02 chkval: 0x0000 type: 0x00=unknown
Hex dump of block: st=0, typ_found=0
Dump of memory from 0x0000000095EF0000 to 0x0000000095EF2000
095EF0000 0000A200 00800029 00000000 01010000  [....)...........]
095EF0010 00000000 00000000 00000000 00000000  [................]
        Repeat 509 times
095EF1FF0 00000000 00000000 00000000 00000001  [................]
Dump of memory from 0x0000000095EF0014 to 0x0000000095EF1FFC
095EF0010          00000000 00000000 00000000      [............]
095EF0020 00000000 00000000 00000000 00000000  [................]

这里可以发现,file 2 block 41的type为unknown,注意观察ORA-600 3020的错误,我们发现当时报的坏块也正好是该block.基本上可以确定由于前面的allow 1 corruption操作导致了后面的ORA-600 4042的错误.官方关于ORA-600[4042]解释
ORA-600-4042


通过修改undo$中的回滚段状态(参考:bbed修改undo$(回滚段)状态)
正常open数据库,修改file 3的scn并online数据文件

SQL> shutdown immediate;
Database closed.
Database dismounted.
ORACLE instance shut down.
SQL> startup mount
ORACLE instance started.

Total System Global Area 1224736768 bytes
Fixed Size                  2020384 bytes
Variable Size             318770144 bytes
Database Buffers          889192448 bytes
Redo Buffers               14753792 bytes
Database mounted.
SQL>   SELECT thread#,              
  2           a.sequence#,
  3           a.group#,
  4           TO_CHAR (first_change#, '9999999999999999') "SCN",
  5           a.status,
  6           MEMBER
  7      FROM v$log a, v$logfile b
  8     WHERE a.group# = B.GROUP#
  9  ORDER BY a.sequence# DESC;

   THREAD#  SEQUENCE#     GROUP# SCN
---------- ---------- ---------- ----------------------------------
STATUS
--------------------------------
MEMBER
--------------------------------------------------------------------------------
         1       1919          1     3303615011212
CURRENT
/home/oracle/orabase/oradata/ORACLE/redo01.log

         1       1918          3     3303614991206
INACTIVE
/home/oracle/orabase/oradata/ORACLE/redo03.log

   THREAD#  SEQUENCE#     GROUP# SCN
---------- ---------- ---------- ----------------------------------
STATUS
--------------------------------
MEMBER
--------------------------------------------------------------------------------

         1       1917          2     3303614971197
INACTIVE
/home/oracle/orabase/oradata/ORACLE/redo02.log


SQL> recover database using backup controlfile;
ORA-00279: change 3303615011452 generated at 08/04/2016 02:06:52 needed for
thread 1
ORA-00289: suggestion :
/u01/app/oracle/flash_recovery_area/ORACLE/archivelog/2016_08_04/o1_mf_1_1919_%u
_.arc
ORA-00280: change 3303615011452 for thread 1 is in sequence #1919


Specify log: {<RET>=suggested | filename | AUTO | CANCEL}
/home/oracle/orabase/oradata/ORACLE/redo01.log
Log applied.
Media recovery complete.
SQL> alter database datafile 3 online;

Database altered.

SQL> alter database open resetlogs;

Database altered.

SQL> 

至此该数据库基本上恢复完成,强烈建议使用逻辑方式导出导入重建库.

发表在 Oracle备份恢复 | 标签为 , | 评论关闭

ORA-600 3020

ORA-600 3020官方解释说明

ERROR:
  Format: ORA-600 [3020] [a] [b] {c} [d] [e]

VERSIONS:
  version 6.0 and above

DESCRIPTION:

  This is called a 'STUCK RECOVERY'.

  There is an inconsistency between the information stored in the redo
  and the information stored in a database block being recovered.

ARGUMENTS:

For Oracle 9.2 and earlier:
  Arg [a] Block DBA
  Arg [b] Redo Thread
  Arg 1 Redo RBA Seq
  Arg [d] Redo RBA Block No
  Arg [e] Redo RBA Offset.

For Oracle 10.1
  Arg [a] Absolute file number of the datafile.
  Arg [b] Block number
  Arg 1 Block DBA

FUNCTIONALITY:
  kernel cache recovery parallel

IMPACT:
  INSTANCE FAILURE during recovery.

SUGGESTIONS:

  There have been cases of receiving this error when RECOVER has
  been issued, but either some datafiles were not restored to disk,
  or the restoration has not finished.

  Therefore, ensure that the entire backup has been restored and that
  the restore has finished PRIOR to issuing a RECOVER database command.

  If problems continue, consider restoring from a backup and doing a
  point-in-time recovery to a time PRIOR to the one implied by
  the ORA-600[3020] error.

  Example:

     SQL> recover database until time 'YYYY-MON-DD:HH:MI:SS';

  This error can also be caused by a lost update.

  During normal operations, block updates/writes are being performed to
  a number of files including database datafiles, redo log files,
  archived redo log files etc.

  This error can be reported if any of these updates are lost for some
  reason.

  Therefore, thoroughly check your operating system and disk hardware.

  In the case of a lost update, restore an old copy of the datafile and
  attempt to recover and roll forward again.

相关bug信息

NB

Prob

Bug

Fixed

Description

III

16384983

11.2.0.4.6, 11.2.0.4.BP15, 12.1.0.2, 12.2.0.0

RMAN bad backup – causes recovery to fail with ORA-600 [3020]

III

16057129

11.2.0.3.BP22, 11.2.0.4, 12.1.0.1.2, 12.1.0.2

Exadata cell optimized incremental backup can skip some blocks to backup

I

22302666

12.2.0.0

ORA-753 ORA-756 or ORA-600 [3020] with KCOX_FUTURE after RMAN Restore / PITR with BCT after Open Resetlogs in 12c

II

21629064

12.1.0.2.160719, 12.2.0.0

ORA-600 [3020] KCOX_FUTURE by RECOVERY for KTU UNDO BLOCK SEQ:254 sometime after RMAN Restore of UNDO datafile in Source Database

III

20509482

11.2.0.4.BP20, 12.1.0.2.160119, 12.1.0.2.DBBP09, 12.2.0.0

ORA-600 [3020] / ORA-752 Wrong Results after Parallel Direct Load or RMAN ORA-600 [krcrfr_nohist] in RAC (caused by fix for bug 9962369)

II

19445860

12.2.0.0

ORA-1172 or ORA-600 [3020] Stuck recovery in RAC after attempted block rebuild

III

18284763

11.2.0.4.BP13, 12.1.0.2, 12.2.0.0

ORA-600 [3020] on ASSM blocks in Standby Database after CONVERT TO PHYSICAL or ORA-8103 ORA-600 [4552] in non-standby after FLASHBACK

III

18268201

12.1.0.2, 12.2.0.0

ORA-600 [3020] ORA-10567 and ORA-10560: block type ’0′ / ORA-600 [kdBlkCheckError] ORA-600 [ktfbbset-2] after flashback which reversed a datafile extend – superseded

I

16891789

11.2.0.4, 12.1.0.2, 12.2.0.0

ORA-600 [3020] or ORA-752 if db_lost_write_protect is enabled. Bystander standby recovers wrong redo log after switchover or failover.

+

III

17761775

11.2.0.3.9, 11.2.0.3.BP22, 11.2.0.4.2, 11.2.0.4.BP03, 12.1.0.1.3, 12.1.0.2

ORA-600 [kclchkblkdma_3] ORA-600 [3020] or ORA-600 [kcbchg1_16] Join of temp and permanent table in RAC might lead to corruption – superseded

I

16844448

11.2.0.3.9, 11.2.0.3.BP22, 11.2.0.4, 12.1.0.2

ORA-600 [3020] after flashback database in a RAC

III

15999982

11.2.0.3.BP24, 11.2.0.4, 12.1.0.2

ORA-600 [kcl_sanity_check_cr_1] ORA-600 [kclchkblkdma_3] in RAC or ORA-752 ORA-600 [3020] during recovery

II

21425496

ORA-752 or ORA-600 [3020] on recovery of Block Cleanout Operation OP:4.6

I

9847338

Session hang after applying the patch for Bug 9587912 which causes ORA-600 [3020]

+

III

13467683

11.2.0.2.9, 11.2.0.2.BP15, 11.2.0.3.3, 11.2.0.3.BP04, 11.2.0.4, 12.1.0.1

Join of temp and permanent tables in RAC might cause corruption of permanent table. Regression by bug 10352368

E

-

12831782

11.2.0.2.BP11, 11.2.0.3.BP01, 11.2.0.4, 12.1.0.1

ORA-600 [3020] / ORA-333 Recovery of datafile or async transport do not read mirror if there is a stale block

II

12821418

11.2.0.3.8, 11.2.0.3.BP18, 11.2.0.4, 12.1.0.1

Direct NFS appears to be sending zero length windows to storage device. It may also cause Lost Writes

I

12582839

11.2.0.3, 12.1.0.1

ORA-8103/ORA-600 [3020] on RMAN recovered locally managed tablespace

P

I

12330911

12.1.0.1

EXADATA LSI firmware for lost writes

III

11689702

11.2.0.2.5, 11.2.0.2.BP13, 11.2.0.2.GIPSU05, 11.2.0.3, 12.1.0.1

ORA-600 [3020] during recovery after datafile RESIZE (to smaller size)

+

II

10425010

11.2.0.3, 12.1.0.1

Stale data blocks may be returned by Exadata FlashCache

-

10329146

11.2.0.1.BP10, 11.2.0.2.2, 11.2.0.2.BP03, 11.2.0.2.GIBUNDLE02, 11.2.0.2.GIPSU02, 11.2.0.3, 12.1.0.1

Lost write in ASM with multiple DBWs and a disk is offlined and then onlined

II

10218814

11.2.0.2.2, 11.2.0.2.BP02, 11.2.0.3, 12.1.0.1

ORA-600 [3020] during recovery / on standby

+

II

10209232

11.1.0.7.7, 11.2.0.1.BP08, 11.2.0.2.1, 11.2.0.2.BP02, 11.2.0.2.GIBUNDLE01, 11.2.0.3, 12.1.0.1

ORA-1578 / ORA-600 [3020] Corruption. Misplaced Blocks and Lost Write in ASM

*

III

10205230

11.2.0.1.6, 11.2.0.1.BP09, 11.2.0.2.2, 11.2.0.2.BP04, 11.2.0.3, 12.1.0.1

ORA-600 / corruption possible during shutdown in RAC

II

10094823

11.2.0.2.4, 11.2.0.2.BP09, 11.2.0.3, 12.1.0.1

Block change tracking on physical standby can cause data loss

-

10071193

11.2.0.2.BP02, 11.2.0.3, 12.1.0.1

Lost write / ORA-600 [kclchkblk_3] / ORA-600 [3020] in RAC – superceded

-

9587912

11.2.0.2, 12.1.0.1

ORA-600 [3020] in datafile that went offline/online in a RAC instance

-

8774868

11.2.0.1.2, 11.2.0.1.BP06, 11.2.0.2, 12.1.0.1

OERI[3020] reinstating primary

+

III

8769473

11.2.0.2, 12.1.0.1

ORA-600 [kcbzib_5] on multi block read in RAC. Invalid lock in RAC. ORA-600 [3020] in Recovery

P

II

8635179

10.2.0.5, 11.2.0.2, 12.1.0.1

Solaris: directio may be disabled for RAC file access. Corruption / Lost Write

+

II

8597106

11.2.0.1.BP06, 11.2.0.2, 12.1.0.1

Lost Write in ASM when normal redundancy is used

+E

II

17752121

11.2.0.3.9, 11.2.0.3.BP22, 11.2.0.4.2, 11.2.0.4.BP03

ORA-600 [kclchkblkdma_3] ORA-600 [3020] RAC diagnostic/fix to avoid a block being modified in Shared Mode and prevent corruption – Superseded

III

8826708

10.2.0.5, 11.2.0.2

ORA-600 [3020] for block type 0x3a (58) during recovery for block restored by RMAN backup

I

16579042

11.2.0.4

ORA-600 [kjbmpocr:alh] ORA-600 [kclchkblkdma_3] by LMS in RAC which may lead to corruption

-

11684626

11.2.0.1

ORA-600 [3020] on standby involving “BRR” redo when db_lost_write_protect is enabled

-

8230457

10.2.0.4.1, 10.2.0.5, 11.1.0.7.1, 11.2.0.1

Physical standby media recovery gets OERI[krr_media_12]

+

II

7680907

10.2.0.5, 11.1.0.7.1, 11.2.0.1

ORA-600 [kclexpandlock_2] in LMS / instance crash. Incorrect locks in RAC. ORA-600 [3020] in recovery

II

4637668

10.2.0.3, 11.1.0.6

IMU transactions can produce out-of-order redo (OERI [3020] on recovery)

-

4594917

9.2.0.8, 10.2.0.2, 11.1.0.6

Write IO error can cause incorrect file header checkpoint information

-

4453449

10.2.0.2, 11.1.0.6

OERI:3020 / corruption errors from multiple FLASHBACK DATABASE

III

7197445

10.2.0.4.1, 10.2.0.5

Standby Recovery session cancelled due to ORA-600 [3020] “CHANGE IN FUTURE OF BLOCK”

II

5610267

10.2.0.5

MRP terminated by ORA-600[krr_media_12] / OERI:3020 after flashback

-

3762714

9.2.0.7, 10.1.0.4, 10.2.0.1

ALTER DATABASE RECOVER MANAGED STANDBY fails with OERI[3020]

I

3560209

10.2.0.1

OERI[3020] stuck recovery under RAC

-

3397181

9.2.0.5, 10.1.0.3, 10.2.0.1

ALTER SYSTEM KILL SESSION of recovery slave causes stuck recovery

*

-

3381950

10.2.0.1

Backups from RAC DB before Data Guard Failover cannot be used

-

3535712

9.2.0.6, 10.1.0.4

OERI[3020] / ORA-10567 from RAC with standby in max performance mode

-

4594912

9.2.0.8, 10.1.0.2

Incorrect checkpoint possible in datafile headers

-

3635331

9.2.0.6, 10.1.0.4

Stuck recovery (OERI:3020) / ORA-1172 on startup after a crash

II

2322620

9.2.0.1

OERI:3020 possible on recovery of LOB DATA

P+

-

656370

7.3.3.4, 7.3.4.0, 8.0.3.0

AlphaNT only: Corrupt Redo (zeroed byte) OERI:3020

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