ORA-600 2131故障说明

oracle 12c数据库启动报ORA-600 2131错误

Mon Nov 26 09:43:57 2018
starting up 1 dispatcher(s) for network address '(ADDRESS=(PARTIAL=YES)(PROTOCOL=TCP))'...
starting up 1 shared server(s) ...
ORACLE_BASE from environment = D:\app\Administrator
alter database mount exclusive
Mon Nov 26 09:44:00 2018
Using default pga_aggregate_limit of 2048 MB
Errors in file D:\APP\ADMINISTRATOR\diag\rdbms\orcl12c\orcl12c\trace\orcl12c_ora_3040.trc  (incident=375524):
ORA-00600: ??????, ??: [2131], [9], [8], [], [], [], [], [], [], [], [], []
Incident details in: D:\APP\ADMINISTRATOR\diag\rdbms\orcl12c\orcl12c\incident\incdir_375524\orcl12c_ora_3040_i375524.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
ORA-600 signalled during: alter database mount exclusive...

这个日志比较明显,数据库无法mount,在mount操作的时候报ORA-600 2131错误.
trace文件报错

Error: kccpb_sanity_check_2
Control file sequence number mismatch!
fhcsq: 497844 bhcsq: 497849 cfn 0 rpbn 16

----- Call Stack Trace -----
calling              call     entry                argument values in hex      
location             type     point                (? means dubious value)     
-------------------- -------- -------------------- ----------------------------
ksedst1()+92         CALL???  skdstdst()           000000001 000004000 000030000
                                                   016301338
kccpb_sanity_check(  CALL???  ksedst1()            1492761E0 0000798B4 0000798B9
)+834                                              000000000
kccbmp_get()+275     CALL???  kccpb_sanity_check(  000000000 000000000 000000000
                              )                    000004000
kccsed_rbl()+174     CALL???  kccbmp_get()         000017E28 015A67E14 015592200
                                                   000000001
kccocx()+1399        CALL???  kccsed_rbl()         100000010 100000001 0000354D8
                                                   000035508
kccocf()+167         CALL???  kccocx()+528         016303990 000000000
                                                   7FF00000001 000000000
kcfcmb()+1254        CALL???  kccocf()             000000000 000000000 000000000
                                                   000000000
kcfmdb()+69          CALL???  kcfcmb()             000000000 7FF59FFF856
                                                   000000007 7FE00000000
adbdrv_options()+43  CALL???  kcfmdb()             0163083E0 14903FF2C 000000005
724                                                000000000
adbdrv()+149         CALL???  adbdrv_options()     000000000 000000000 0163084A0
                                                   851F2CC90B75
opiexe()+22668       CALL???  adbdrv()             7FF00000023 000000003
                                                   000000000 016309380
opiosq0()+6009       CALL???  opiexe()             000000000 000000000 016309990
                                                   000000000
kpooprx()+410        CALL???  opiosq0()            000000003 000000000 000000000
                                                   0000000A4
kpoal8()+994         CALL???  kpooprx()            0146A57FC 000000001 0146A5820
                                                   000000001
opiodr()+1601        CALL???  kpoal8()             000000000 015523288 015523270
                                                   0159FCDD0
ttcpip()+1223        CALL???  opiodr()             7FE0000005E 00000001F
                                                   01630DA20 7FE00000000
opitsk()+2160        CALL???  ttcpip()             0146C0690 000000000 000000000
                                                   000000000
opiino()+1079        CALL???  opitsk()             000000007 000000000 01630F200
                                                   01630E970
opiodr()+1601        CALL???  opiino()             00000003C 000000000 01630F470
                                                   000000000
opidrv()+842         CALL???  opiodr()             00000003C 000000004 01630F470
                                                   000000000
sou2o()+94           CALL???  opidrv()+156         10000003C 7FE00000004
                                                   01630F470 0154E6A30
opimai_real()+276    CALL???  sou2o()              1D4851F4C467583 00A9D55E0
                                                   8001A000B07E2 1004B0039001E
opimai()+170         CALL???  opimai_real()        000000000 851F2CB1B179
                                                   00A9D55E0 01630F628
OracleThreadStart()  CALL???  opimai()             000000000 149031F90 000000050
+713                                               0000005C8
00000000775259CD     CALL???  OracleThreadStart()  000000000 000000000 000000000
                                                   000000000
000000007765A561     CALL???  00000000775259C0     000000000 000000000 000000000
                                                   000000000
 

--------------------- Binary Stack Dump ---------------------

这个错误和以往版本中的kccpb_sanity_check_2比较类似,由于数据库异常关闭导致ctl写丢失导致
ORA-600 2131/kccpb_sanity_check_2解释

DESCRIPTION:

  This internal error is raised when the sequence number (seq#) of the
  current block of the controlfile is greater than the seq# in the controlfile header.

  The header value should always be equal to, or greater than the value
  held in the control file block(s).

  This extra check was introduced in Oracle 10gR2 to detect lost writes
  or stale reads to the header.

ARGUMENTS:
  Arg [a] seq# in control block header.
  Arg [b] seq# in the control file header.
  Arg 1 

FUNCTIONALITY:
  Kernel Cache layer Control file component.
发表在 ORA-xxxxx, Oracle备份恢复 | 标签为 , , | 评论关闭

文件系统损坏导致数据文件异常恢复

今天接到一个客户的服务请求,由于服务器被强制重启,数据库无法启动
ORA-1200报错
ora-1200


这是一个常见的ORA-1200错误,但是文件大小相差的有离谱实际大小729600个block,但是现在只有149760个block.不像是一般主机重启导致的数据库异常.通过再次咨询客户实际是什么情况,客户那边如实描述:三个磁盘的raid 5由于两个盘掉线,后来使用最后一个好的盘和最后掉线的盘,强制拉起raid,系统启动通过长时间的自检之后,就是出现这样的情况.通过进一步检查发现,发现大多数数据文件异常.
文件系统中数据文件截图
dbf-fs

通过查询数据库确定文件大小情况
df_header_check

对比文件系统中的文件和数据库查询结果,可以发现绿色框中的文件全部大于文件系统中文件,蓝色框中的文件在文件系统中丢失.对于这样的情况,由于被强制online的磁盘中有坏道,导致文件系统损坏,从而出现大量文件大小异常甚至文件丢失;或者是由于选择错了上线的磁盘出现该问题(通过分析存在的文件,判断确定上线的盘没有问题),那就是文件系统故障导致.
底层重组恢复
解决该问题的方法是通过底层block恢复,重组oracle数据文件,并且检查恢复文件坏块情况.参考:Oracle 数据文件大小为0kb或者文件丢失恢复
scan-disk

分析文件坏块原因
block-had

由于文件所在block被覆盖或者磁盘坏道导致这部分block直接被空块填充.
这个客户比较幸运,直接open数据库成功,坏坏块进行分析判断业务表空间数据文件的坏块全部为index,业务数据0丢失.

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ogg导致v$logfile查询频繁

在某些版本的ogg中发现ogg抽取进程对v$logfile视图查询影响比较大
20181116220104


对应的sql语句为:SELECT 1 FROM V$LOGFILE WHERE(STATUS NOT IN (‘STALE’, ‘INVALID’) OR STATUS IS NULL) AND MEMBER <> :log_name AND EXISTS ( SELECT 1 FROM V$LOG WHERE GROUP# = V$LOGFILE.GROUP# AND THREAD# = :ora_thread AND SEQUENCE# = :ora_seq_no ) AND ROWNUM = 1
查询mos发现相关问题描述:Query On V$logfile Running Excessive Number Of Times After upgrading ogg to 11.2.1.0.32 or 12.1.2.1.5 or later (Doc ID 2116395.1)和Bug 22650790 : CE 12.1.2.1.9: Query on v$logfile running excessive number of times
2116395.1

根据mos描述在ogg对应版本中设置:TRANLOGOPTIONS _ENABLESTREAMLINEDDBLOGREADER

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