Category Archives: 数据库

删除ora.asmgroup资源offline记录

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标题：删除ora.asmgroup资源offline记录

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.]

采用了fix asm之后,查看集群状态的时候会有一个ora.asmgroup相关是offline状态,可以通过srvctl modify asm -count 2命令强制把asm count设置为2从而就不会有offline的资源存在

[grid@dbserver1 ~]$ crsctl status res -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details       
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
               ONLINE  ONLINE       dbserver1                STABLE
               ONLINE  ONLINE       dbserver2                STABLE
ora.chad
               ONLINE  ONLINE       dbserver1                STABLE
               ONLINE  ONLINE       dbserver2                STABLE
ora.net1.network
               ONLINE  ONLINE       dbserver1                STABLE
               ONLINE  ONLINE       dbserver2                STABLE
ora.ons
               ONLINE  ONLINE       dbserver1                STABLE
               ONLINE  ONLINE       dbserver2                STABLE
ora.proxy_advm
               OFFLINE OFFLINE      dbserver1                STABLE
               OFFLINE OFFLINE      dbserver2                STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
      3        ONLINE  OFFLINE                               STABLE
ora.ASMNET2LSNR_ASM.lsnr(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
      3        ONLINE  OFFLINE                               STABLE
ora.DATA.dg(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.FRA.dg(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       dbserver1                STABLE
ora.SYSDG.dg(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.asm(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                Started,STABLE
      2        ONLINE  ONLINE       dbserver2                Started,STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.asmnet1.asmnetwork(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.asmnet2.asmnetwork(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
      3        OFFLINE OFFLINE                               STABLE
ora.cvu
      1        ONLINE  ONLINE       dbserver1                STABLE
ora.dbserver1.vip
      1        ONLINE  ONLINE       dbserver1                STABLE
ora.dbserver2.vip
      1        ONLINE  ONLINE       dbserver2                STABLE
ora.xff.db
      1        ONLINE  ONLINE       dbserver1                Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
      2        ONLINE  ONLINE       dbserver2                Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
ora.qosmserver
      1        ONLINE  ONLINE       dbserver1                STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       dbserver1                STABLE
--------------------------------------------------------------------------------
[grid@dbserver1 ~]$ srvctl modify asm -count 2
[grid@dbserver1 ~]$ crsctl status res -t
--------------------------------------------------------------------------------
Name           Target  State        Server                   State details       
--------------------------------------------------------------------------------
Local Resources
--------------------------------------------------------------------------------
ora.LISTENER.lsnr
               ONLINE  ONLINE       dbserver1                STABLE
               ONLINE  ONLINE       dbserver2                STABLE
ora.chad
               ONLINE  ONLINE       dbserver1                STABLE
               ONLINE  ONLINE       dbserver2                STABLE
ora.net1.network
               ONLINE  ONLINE       dbserver1                STABLE
               ONLINE  ONLINE       dbserver2                STABLE
ora.ons
               ONLINE  ONLINE       dbserver1                STABLE
               ONLINE  ONLINE       dbserver2                STABLE
ora.proxy_advm
               OFFLINE OFFLINE      dbserver1                STABLE
               OFFLINE OFFLINE      dbserver2                STABLE
--------------------------------------------------------------------------------
Cluster Resources
--------------------------------------------------------------------------------
ora.ASMNET1LSNR_ASM.lsnr(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
ora.ASMNET2LSNR_ASM.lsnr(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
ora.DATA.dg(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
ora.FRA.dg(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
ora.LISTENER_SCAN1.lsnr
      1        ONLINE  ONLINE       dbserver1                STABLE
ora.SYSDG.dg(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
ora.asm(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                Started,STABLE
      2        ONLINE  ONLINE       dbserver2                Started,STABLE
ora.asmnet1.asmnetwork(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
ora.asmnet2.asmnetwork(ora.asmgroup)
      1        ONLINE  ONLINE       dbserver1                STABLE
      2        ONLINE  ONLINE       dbserver2                STABLE
ora.cvu
      1        ONLINE  ONLINE       dbserver1                STABLE
ora.dbserver1.vip
      1        ONLINE  ONLINE       dbserver1                STABLE
ora.dbserver2.vip
      1        ONLINE  ONLINE       dbserver2                STABLE
ora.xff.db
      1        ONLINE  ONLINE       dbserver1                Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
      2        ONLINE  ONLINE       dbserver2                Open,HOME=/u01/app/o
                                                             racle/product/19c/db
                                                             _1,STABLE
ora.qosmserver
      1        ONLINE  ONLINE       dbserver1                STABLE
ora.scan1.vip
      1        ONLINE  ONLINE       dbserver1                STABLE
--------------------------------------------------------------------------------
[grid@dbserver1 ~]$

清理类似SYS$SYS.KUPC$C_2_20230411115109_0服务

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标题：清理类似SYS$SYS.KUPC$C_2_20230411115109_0服务

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.]

查看监听发现大量类似SYS$SYS.KUPC$C_2_20230411115109_0 服务

[grid@dbserver1 ~]$ lsnrctl status LISTENER_SCAN1

LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 11-APR-2023 13:05:47

Copyright (c) 1991, 2022, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_SCAN1
Version                   TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date                07-SEP-2022 23:57:17
Uptime                    215 days 13 hr. 8 min. 29 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/19c/grid/network/admin/listener.ora
Listener Log File         /u01/app/19c/grid/network/log/listener_scan1.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER_SCAN1)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.9.9)(PORT=11521)))
Services Summary...
Service "SYS$SYS.KUPC$C_2_20230411115109_0.XFF" has 1 instance(s).
  Instance "elcdb2", status READY, has 1 handler(s) for this service...
Service "SYS$SYS.KUPC$S_2_20230411115109_0.XFF" has 1 instance(s).
  Instance "elcdb2", status READY, has 1 handler(s) for this service...
Service "elcdb" has 2 instance(s).
  Instance "elcdb1", status READY, has 1 handler(s) for this service...
  Instance "elcdb2", status READY, has 1 handler(s) for this service...
Service "elcdbXDB" has 2 instance(s).
  Instance "elcdb1", status READY, has 1 handler(s) for this service...
  Instance "elcdb2", status READY, has 1 handler(s) for this service...

清理这种服务

SQL> select 'exec DBMS_AQADM.STOP_QUEUE(queue_name=>'''||name||''');' as reservice from v$services where name like '%KUPC%';

RESERVICE
--------------------------------------------------------------------------------
exec DBMS_AQADM.STOP_QUEUE(queue_name=>'SYS.KUPC$C_2_20230411115109_0');
exec DBMS_AQADM.STOP_QUEUE(queue_name=>'SYS.KUPC$S_2_20230411115109_0');

SQL> exec DBMS_AQADM.STOP_QUEUE(queue_name=>'SYS.KUPC$C_2_20230411115109_0');
exec DBMS_AQADM.STOP_QUEUE(queue_name=>'SYS.KUPC$S_2_20230411115109_0');

PL/SQL procedure successfully completed.

SQL> 
PL/SQL procedure successfully completed.

SQL> 
SQL> select 'exec DBMS_AQADM.DROP_QUEUE(queue_name=>'''||name||''');' as reservice from v$services where name like '%KUPC%';

RESERVICE
--------------------------------------------------------------------------------
exec DBMS_AQADM.DROP_QUEUE(queue_name=>'SYS.KUPC$C_2_20230411115109_0');
exec DBMS_AQADM.DROP_QUEUE(queue_name=>'SYS.KUPC$S_2_20230411115109_0');

SQL> 
SQL> exec DBMS_AQADM.DROP_QUEUE(queue_name=>'SYS.KUPC$C_2_20230411115109_0');
exec DBMS_AQADM.DROP_QUEUE(queue_name=>'SYS.KUPC$S_2_20230411115109_0');
PL/SQL procedure successfully completed.

SQL> 

PL/SQL procedure successfully completed.

SQL>

再次查看服务确认已经被清理

[grid@dbserver1 ~]$ lsnrctl status LISTENER_SCAN1

LSNRCTL for Linux: Version 19.0.0.0.0 - Production on 11-APR-2023 13:08:37

Copyright (c) 1991, 2022, Oracle.  All rights reserved.

Connecting to (DESCRIPTION=(ADDRESS=(PROTOCOL=IPC)(KEY=LISTENER_SCAN1)))
STATUS of the LISTENER
------------------------
Alias                     LISTENER_SCAN1
Version                   TNSLSNR for Linux: Version 19.0.0.0.0 - Production
Start Date                07-SEP-2022 23:57:17
Uptime                    215 days 13 hr. 11 min. 19 sec
Trace Level               off
Security                  ON: Local OS Authentication
SNMP                      OFF
Listener Parameter File   /u01/app/19c/grid/network/admin/listener.ora
Listener Log File         /u01/app/19c/grid/network/log/listener_scan1.log
Listening Endpoints Summary...
  (DESCRIPTION=(ADDRESS=(PROTOCOL=ipc)(KEY=LISTENER_SCAN1)))
  (DESCRIPTION=(ADDRESS=(PROTOCOL=tcp)(HOST=192.168.9.9)(PORT=11521)))
Services Summary...
Service "elcdb" has 2 instance(s).
  Instance "elcdb1", status READY, has 1 handler(s) for this service...
  Instance "elcdb2", status READY, has 1 handler(s) for this service...
Service "elcdbXDB" has 2 instance(s).
  Instance "elcdb1", status READY, has 1 handler(s) for this service...
  Instance "elcdb2", status READY, has 1 handler(s) for this service...
The command completed successfully
[grid@dbserver1 ~]$

messages日志报Error:emcp:emcp_pseudo_ctl_ioctl错误

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标题：messages日志报Error:emcp:emcp_pseudo_ctl_ioctl错误

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linux平台的rac中，当存储使用的是emc,而且多路径使用的是EMC PowerPath,我们有时候会在系统的/var/log/messages日志中看到类似这样的信息

Apr  2 18:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 18:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
Apr  2 19:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x80081272, proc name: osysmond.bin
Apr  2 19:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 19:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
Apr  2 20:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x80081272, proc name: osysmond.bin
Apr  2 20:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 20:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
Apr  2 21:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x80081272, proc name: osysmond.bin
Apr  2 21:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 21:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin
Apr  2 22:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x80081272, proc name: osysmond.bin
Apr  2 22:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x1268, proc name: osysmond.bin
Apr  2 22:19:09 his02 kernel: Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0x2285, proc name: osysmond.bin

这些错误消息显示osysmond.bin已通过接口emcp_pseudo_ctl_ioctl发出具有无效命令的ioctl
osysmond.bin是Oracle RAC Cluster Health Monitor
emcp_pseudo_ctl_ioctl是EMC PowerPath内核驱动程序接口
在系统没有其他异常的情况下,可以忽略该报错.
参考:Oracle Linux: Error ” Error:emcp:emcp_pseudo_ctl_ioctl: Invalid cmd 0×80081272, proc name: osysmond.bin” (Doc ID 2152706.1)

Oracle 启动后一会儿就挂掉故障处理—ORA-600 17182

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标题：Oracle 启动后一会儿就挂掉故障处理—ORA-600 17182

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.]

一例正常运行的数据库突然节点不停重启(因为是rac,启动一会儿就crash,然后又被crs给启动起来,然后有crash,依次循环),告警日志类似:

Fri Mar 24 13:36:07 2023
QMNC started with pid=124, OS id=188397 
ARC3: Archival started
ARC0: STARTING ARCH PROCESSES COMPLETE
Completed: ALTER DATABASE OPEN
Fri Mar 24 13:36:08 2023
minact-scn: Inst 1 is now the master inc#:2 mmon proc-id:188028 status:0x7
minact-scn status: grec-scn:0x0000.00000000 gmin-scn:0x0000.00000000 gcalc-scn:0x0000.00000000
Fri Mar 24 13:36:08 2023
Starting background process CJQ0
Fri Mar 24 13:36:08 2023
CJQ0 started with pid=144, OS id=188451 
Fri Mar 24 13:36:09 2023
Redo thread 2 internally disabled at seq 44406 (CKPT)
Archived Log entry 135343 added for thread 2 sequence 44405 ID 0xcd7086e0 dest 1:
ARC0: Archiving disabled thread 2 sequence 44406
Archived Log entry 135344 added for thread 2 sequence 44406 ID 0xcd7086e0 dest 1:
Thread 1 advanced to log sequence 40030 (LGWR switch)
  Current log# 2 seq# 40030 mem# 0: +DATA/xff/onlinelog/group_2.310.1087136761
Archived Log entry 135345 added for thread 1 sequence 40029 ID 0xcd7086e0 dest 1:
Fri Mar 24 13:36:30 2023
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p200_188856.trc  (incident=1082418):
ORA-00600: internal error code, arguments: [17182], [0x7F4D2A13DBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1082418/xff1_p200_188856_i1082418.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:36:30 2023
Dumping diagnostic data in directory=[cdmp_20230324133630], requested by (instance=1, osid=188856 (P200)), summary=[incident=1082418].
Fri Mar 24 13:36:54 2023
Decreasing number of real time LMS from 6 to 0
Fri Mar 24 13:36:54 2023
Block recovery from logseq 40030, block 259 to scn 17199959182
Recovery of Online Redo Log: Thread 1 Group 2 Seq 40030 Reading mem 0
  Mem# 0: +DATA/xff/onlinelog/group_2.310.1087136761
Block recovery stopped at EOT rba 40030.317.16
Block recovery completed at rba 40030.317.16, scn 4.20089998
Exception [type: SIGSEGV, SI_KERNEL(general_protection)] [ADDR:0x0] [PC:0x97E8579, kghrst()+1835] [flags: 0x0, count: 1]
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p200_188856.trc  (incident=1082419):
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F4D2A13DBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1082419/xff1_p200_188856_i1082419.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p200_188856.trc  (incident=1082420):
ORA-00600: internal error code, arguments: [17147], [0x7F4D2A13DBD0], [], [], [], [], [], [], [], [], [], []
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F4D2A13DBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1082420/xff1_p200_188856_i1082420.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p200_188856.trc  (incident=1082421):
ORA-00600: internal error code, arguments: [kghfrempty:ds], [0x7F4D2A13DBE8], [], [], [], [], [], [], [], [], [], []
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F4D2A13DBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1082421/xff1_p200_188856_i1082421.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:36:56 2023
Dumping diagnostic data in directory=[cdmp_20230324133656], requested by (instance=1, osid=188856 (P200)), summary=[incident=1082420].
SMON: Restarting fast_start parallel rollback
Fri Mar 24 13:37:12 2023
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p000_188229.trc  (incident=1080530):
ORA-00600: internal error code, arguments: [17182], [0x7F3AB22ADBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1080530/xff1_p000_188229_i1080530.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:37:12 2023
Dumping diagnostic data in directory=[cdmp_20230324133712], requested by (instance=1, osid=188229 (P000)), summary=[incident=1080530].
Fri Mar 24 13:37:24 2023
Block recovery from logseq 40030, block 259 to scn 17199959182
Recovery of Online Redo Log: Thread 1 Group 2 Seq 40030 Reading mem 0
  Mem# 0: +DATA/xff/onlinelog/group_2.310.1087136761
Block recovery completed at rba 40030.317.16, scn 4.20089999
Fri Mar 24 13:37:37 2023
Exception [type: SIGSEGV, SI_KERNEL(general_protection)] [ADDR:0x0] [PC:0x97E8579, kghrst()+1835] [flags: 0x0, count: 1]
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_p000_188229.trc  (incident=1080531):
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F3AB22ADBF8], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1080531/xff1_p000_188229_i1080531.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:37:37 2023
Dumping diagnostic data in directory=[cdmp_20230324133737], requested by (instance=1, osid=188229 (P000)), summary=[incident=1080531].
Fri Mar 24 13:38:16 2023
SMON: slave died unexpectedly, downgrading to serial recovery
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_smon_188020.trc  (incident=1080418):
ORA-00600: internal error code, arguments: [17182], [0x7F9184B445C0], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1080418/xff1_smon_188020_i1080418.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Block recovery from logseq 40030, block 259 to scn 17199959182
Recovery of Online Redo Log: Thread 1 Group 2 Seq 40030 Reading mem 0
  Mem# 0: +DATA/xff/onlinelog/group_2.310.1087136761
Block recovery completed at rba 40030.317.16, scn 4.20089999
ORACLE Instance xff1 (pid = 56) - Error 600 encountered while recovering transaction (10, 26) on object 242112.
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_smon_188020.trc:
ORA-00600: internal error code, arguments: [17182], [0x7F9184B445C0], [], [], [], [], [], [], [], [], [], []
Fri Mar 24 13:38:17 2023
Dumping diagnostic data in directory=[cdmp_20230324133817], requested by (instance=1, osid=188020 (SMON)), summary=[incident=1080418].
Exception [type: SIGSEGV, SI_KERNEL(general_protection)] [ADDR:0x0] [PC:0x97E8579, kghrst()+1835] [flags: 0x0, count: 1]
Errors in file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_smon_188020.trc  (incident=1080419):
ORA-07445: exception encountered: core dump [kghrst()+1835] [SIGSEGV] [ADDR:0x0] [PC:0x97E8579] [SI_KERNEL(general_protection)] []
ORA-00600: internal error code, arguments: [17182], [0x7F9184B445C0], [], [], [], [], [], [], [], [], [], []
Incident details in: /oracle/database/diag/rdbms/xff/xff1/incident/incdir_1080419/xff1_smon_188020_i1080419.trc
Use ADRCI or Support Workbench to package the incident.
See Note 411.1 at My Oracle Support for error and packaging details.
Fri Mar 24 13:38:20 2023
PMON (ospid: 187888): terminating the instance due to error 474
System state dump requested by (instance=1, osid=187888 (PMON)), summary=[abnormal instance termination].
System State dumped to trace file /oracle/database/diag/rdbms/xff/xff1/trace/xff1_diag_187902_20230324133820.trc
Fri Mar 24 13:38:21 2023
ORA-1092 : opitsk aborting process
Dumping diagnostic data in directory=[cdmp_20230324133820], requested by (instance=1, osid=187888 (PMON)), summary=[abnormal instance termination].
Instance terminated by PMON, pid = 187888

这类的故障在多年前处理过几次
ORA-600 17182导致oracle异常
ORA-00600[17182],ORA-00600[25027],ORA-00600[kghfrempty:ds]故障处理
这个故障的原因是由于block逻辑损坏,实例无法正常做回滚恢复,从而异常.处理异常回滚问题,就可以规避掉数据库启动后一会儿就crash问题.

断电引起的oracle数据库异常恢复

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标题：断电引起的oracle数据库异常恢复

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服务器断电，数据库mount失败

SQL> startup mount pfile='d:/pfile.txt'
ORACLE 例程已经启动。

Total System Global Area 1185853440 bytes
Fixed Size                  2175168 bytes
Variable Size             335548224 bytes
Database Buffers          838860800 bytes
Redo Buffers                9269248 bytes
ORA-00205: ?????????, ??????, ???????

alert日志报错信息

Sun Mar 19 20:18:29 2023
ALTER DATABASE   MOUNT
Errors in file d:\app\xifenfei\diag\rdbms\orcl\orcl\trace\orcl_ckpt_15064.trc  (incident=3697):
ORA-00227: ????????????: (? 1, # ? 1)
ORA-00202: ????: ''D:\BAIDUNETDISKDOWNLOAD\ORCL\CONTROL01.CTL''
Incident details in: d:\app\xifenfei\diag\rdbms\orcl\orcl\incident\incdir_3697\orcl_ckpt_15064_i3697.trc
Sun Mar 19 20:18:30 2023
Errors in file d:\app\xifenfei\diag\rdbms\orcl\orcl\trace\orcl_m000_18084.trc  (incident=3761):
ORA-00227: ????????????: (? 1, # ? 1)
ORA-00202: ????: ''D:\BAIDUNETDISKDOWNLOAD\ORCL\CONTROL01.CTL''
Incident details in: d:\app\xifenfei\diag\rdbms\orcl\orcl\incident\incdir_3761\orcl_m000_18084_i3761.trc
Sun Mar 19 20:18:29 2023
MMNL started with pid=16, OS id=9404 
ORA-00227: ????????????: (? 1, # ? 1)
ORA-00202: ????: ''D:\BAIDUNETDISKDOWNLOAD\ORCL\CONTROL01.CTL''
Checker run found 1 new persistent data failures
Trace dumping is performing id=[cdmp_20230319201831]
ORA-205 signalled during: ALTER DATABASE   MOUNT...

错误比较明显由于控制文件的block损坏导致数据库在mount的时候提示ORA-00205,重试重建ctl

SQL> CREATE CONTROLFILE REUSE DATABASE "orcl" NORESETLOGS  NOARCHIVELOG
  2      MAXLOGFILES 50
  3      MAXLOGMEMBERS 5
  4      MAXDATAFILES 100
  5      MAXINSTANCES 8
  6      MAXLOGHISTORY 226
  7  LOGFILE
  8    GROUP 1 'D:\BaiduNetdiskDownload\orcl/redo01.log'  SIZE 50M,
  9    GROUP 2 'D:\BaiduNetdiskDownload\orcl/redo02.log'  SIZE 50M,
 10    GROUP 3 'D:\BaiduNetdiskDownload\orcl/redo03.log'  SIZE 50M
 11  DATAFILE
 12  'D:\BaiduNetdiskDownload\orcl\EXAMPLE01.DBF',
 13  'D:\BaiduNetdiskDownload\orcl\GHZN.DBF',
 14  'D:\BaiduNetdiskDownload\orcl\GHZN2.DBF',
 15  'D:\BaiduNetdiskDownload\orcl\SYSAUX01.DBF',
 16  'D:\BaiduNetdiskDownload\orcl\SYSTEM01.DBF',
 17  'D:\BaiduNetdiskDownload\orcl\UNDOTBS01.DBF',
 18  'D:\BaiduNetdiskDownload\orcl\USERS01.DBF'
 19  CHARACTER SET ZHS16GBK
 20  ;
CREATE CONTROLFILE REUSE DATABASE "orcl" NORESETLOGS  NOARCHIVELOG
*
ERROR at line 1:
ORA-01503: CREATE CONTROLFILE failed
ORA-01565: error in identifying file
'D:\BaiduNetdiskDownload\orcl\UNDOTBS01.DBF'
ORA-27041: unable to open file
OSD-04001: 逻辑块大小无效 (OS 2613931212)

由于undo文件异常(大小不是block size的整数倍）,因此报OSD-04001: 逻辑块大小无效错误.对undo文件及其其他文件进行检查发现数据库文件有不少坏块,而且undo文件的文件头损坏
20230319202417

通过抛弃undo文件并进行一些处理,重建ctl成功,并且recover 数据库成功,顺利open数据库

SQL> CREATE CONTROLFILE REUSE DATABASE "orcl" NORESETLOGS  NOARCHIVELOG
  2      MAXLOGFILES 50
  3      MAXLOGMEMBERS 5
  4      MAXDATAFILES 100
  5      MAXINSTANCES 8
  6      MAXLOGHISTORY 226
  7  LOGFILE
  8    GROUP 1 'D:\BaiduNetdiskDownload\orcl/redo01.log'  SIZE 50M,
  9    GROUP 2 'D:\BaiduNetdiskDownload\orcl/redo02.log'  SIZE 50M,
 10    GROUP 3 'D:\BaiduNetdiskDownload\orcl/redo03.log'  SIZE 50M
 11  DATAFILE
 12  'D:\BaiduNetdiskDownload\orcl\EXAMPLE01.DBF',
 13  'D:\BaiduNetdiskDownload\orcl\GHZN.DBF',
 14  'D:\BaiduNetdiskDownload\orcl\GHZN2.DBF',
 15  'D:\BaiduNetdiskDownload\orcl\SYSAUX01.DBF',
 16  'D:\BaiduNetdiskDownload\orcl\SYSTEM01.DBF',
 17  'D:\BaiduNetdiskDownload\orcl\USERS01.DBF'
 18  CHARACTER SET ZHS16GBK
 19  ;

Control file created.

SQL> recover database;
Media recovery complete.
SQL> shutdown immediate;
ORA-01109: database not open


Database dismounted.
ORACLE instance shut down.
SQL> startup mount pfile='d:/pfile.txt'
ORACLE instance started.

Total System Global Area 1185853440 bytes
Fixed Size                  2175168 bytes
Variable Size             335548224 bytes
Database Buffers          838860800 bytes
Redo Buffers                9269248 bytes
Database mounted.
SQL> alter database open;

Database altered.

然后使用逻辑方式导出数据,运气不错业务文件没有任何坏块,system坏块在aud$上,无任何业务数据丢失.