标签归档：ORA-07445 _memcpy

有客户一套110T的数据库由于存储控制器故障导致数据库无法正常启动,启动报错如下：

Wed Feb  2 23:16:13 2022
Recovery of Online Redo Log: Thread 1 Group 7 Seq 1647469 Reading mem 0
  Mem# 0: /dev/vgredo6/rredo7b
  Mem# 1: /dev/vgredo4/rredo7a
Wed Feb  2 23:16:14 2022
Errors in file /opt/oracle/admin/xifenfei/udump/xifenfei_ora_26754.trc:
ORA-07445: exception encountered: core dump [_memcpy()+7040] [SIGSEGV] [Address not mapped to object] [] [] []
Wed Feb  2 23:16:15 2022
Errors in file /opt/oracle/admin/xifenfei/udump/xifenfei_ora_26754.trc:
ORA-07445: exception encountered: core dump [kcbzdh()+560] [SIGSEGV] [Address not mapped to object] [] [] []
ORA-07445: exception encountered: core dump [_memcpy()+7040] [SIGSEGV] [Address not mapped to object] [] [] []
Wed Feb  2 23:16:16 2022
Errors in file /opt/oracle/admin/xifenfei/udump/xifenfei_ora_26754.trc:
ORA-07445: exception encountered: core dump [kcbzdh()+560] [SIGSEGV] [Address not mapped to object] [] [] []
ORA-07445: exception encountered: core dump [kcbzdh()+560] [SIGSEGV] [Address not mapped to object] [] [] []
ORA-07445: exception encountered: core dump [_memcpy()+7040] [SIGSEGV] [Address not mapped to object] [] [] []
Wed Feb  2 23:16:16 2022
Errors in file /opt/oracle/admin/xifenfei/udump/xifenfei_ora_26754.trc:
ORA-00600: internal error code, arguments: [kghstack_free2], [], [], [], [], [], [], []
ORA-00607: Internal error occurred while making a change to a data block
ORA-00602: internal programming exception
ORA-07445: exception encountered: core dump [kcbzdh()+560] [SIGSEGV] [Address not mapped to object] [] [] []
ORA-07445: exception encountered: core dump [kcbzdh()+560] [SIGSEGV] [Address not mapped to object] [] [] []
ORA-07445: exception encountered: core dump [_memcpy()+7040] [SIGSEGV] [Address not mapped to object] [] [] []
Wed Feb  2 23:16:26 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_pmon_26722.trc:
ORA-07445: exception encountered: core dump [kcbzre1()+6593] [SIGSEGV] [Address not mapped to object] [] [] []
Wed Feb  2 23:16:27 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_pmon_26722.trc:
ORA-07445: exception encountered: core dump [kcbs_dump_adv_state()+1200] [SIGSEGV][] []
ORA-07445: exception encountered: core dump [kcbzre1()+6593] [SIGSEGV] [Address not mapped to object] [] [] []
Wed Feb  2 23:16:27 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_pmon_26722.trc:
ORA-00602: internal programming exception
ORA-07445: exception encountered: core dump [kcbs_dump_adv_state()+1200] [SIGSEGV][] []
ORA-07445: exception encountered: core dump [kcbzre1()+6593] [SIGSEGV] [Address not mapped to object] [] [] []
Wed Feb  2 23:17:11 2022
PSP0: terminating instance due to error 472
Instance terminated by PSP0, pid = 26724

该错误原因是由于redo信息和数据文件block信息不匹配导致无法正常应用日志,从而出现异常,在后续的recover 中还出现以下错误

Fri Feb 18 16:09:59 2022
ALTER DATABASE RECOVER  datafile 609,610,611,612,613,614,615,602,603,604,605,606,607,608  
Fri Feb 18 16:09:59 2022
Media Recovery Start
 parallel recovery started with 16 processes
Fri Feb 18 16:10:00 2022
Recovery of Online Redo Log: Thread 1 Group 7 Seq 1647469 Reading mem 0
  Mem# 0: /dev/vgredo6/rredo7b
  Mem# 1: /dev/vgredo4/rredo7a
Fri Feb 18 16:12:17 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_p000_22509.trc:
ORA-00600: internal error code, arguments: [6101], [0], [42], [96], [], [], [], []
Fri Feb 18 16:18:51 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_p000_22509.trc:
ORA-10562: Error occurred while applying redo to data block (file# 602, block# 1693691)
ORA-10564: tablespace DBS_DCDL_PT
ORA-01110: data file 602: '/dev/vgora12/rdbs_dcdl_pt0155'
ORA-10561: block type 'TRANSACTION MANAGED INDEX BLOCK', data object# 33682645
ORA-00600: internal error code, arguments: [6101], [0], [42], [96], [], [], [], []
Fri Feb 18 16:18:55 2022
Media Recovery failed with error 12801

Fri Feb 18 18:23:59 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_dbw1_22483.trc:
ORA-07445: exception encountered: core dump [kcbs_dump_adv_state()+1200] [SIGSEGV][] []
ORA-07445: exception encountered: core dump [ksuitm()+2400] [SIGSEGV] [] [] [] []
ORA-00472: PMON  process terminated with error
Fri Feb 18 18:24:04 2022
DBW3: terminating instance due to error 472
Fri Feb 18 18:24:04 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_dbw3_22487.trc:
ORA-07445: exception encountered: core dump [ksuitm()+2400] [SIGSEGV] [] [] [] []
ORA-00472: PMON  process terminated with error
Fri Feb 18 18:24:04 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_dbw3_22487.trc:
ORA-07445: exception encountered: core dump [kcbs_dump_adv_state()+1200] [SIGSEGV] [] []
ORA-07445: exception encountered: core dump [ksuitm()+2400] [SIGSEGV] [] [] [] []
ORA-00472: PMON  process terminated with error
Fri Feb 18 18:24:09 2022
LGWR: terminating instance due to error 472
Fri Feb 18 18:24:09 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_lgwr_22489.trc:
ORA-07445: exception encountered: core dump [ksuitm()+2400] [SIGSEGV] [] [] [] []
ORA-00472: PMON  process terminated with error

从sqlplus中看到类似一些报错

SQL>  recover datafile 601;
ORA-03113: end-of-file on communication channel

SQL> recover datafile 1066;
ORA-00283: recovery session canceled due to errors
ORA-12801: error signaled in parallel query server P015
ORA-00600: internal error code, arguments: [2037], [207064103], [207064103],
[162], [6], [1], [1833009883], [1130705717]


SQL> recover datafile 1065;
ORA-00283: recovery session canceled due to errors
ORA-12801: error signaled in parallel query server P004
ORA-00600: internal error code, arguments: [kcbzpb_1], [142189139], [3], [0],
[], [], [], []


SQL> recover datafile 2042;
ORA-00283: recovery session canceled due to errors
ORA-12801: error signaled in parallel query server P014
ORA-00600: internal error code, arguments: [3020], [627], [3234156],
[2633062764], [], [], [], []
ORA-10567: Redo is inconsistent with data block

通过屏蔽一致性,强制open库成功

Sun Feb 20 21:20:06 2022
SMON: enabling tx recovery
Sun Feb 20 21:20:06 2022
Database Characterset is ZHS16GBK
Sun Feb 20 21:20:07 2022
ORACLE Instance xifenfei (pid = 38) - Error 376 encountered while recovering transaction (74, 17) on object 34131051.
Sun Feb 20 21:20:07 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_smon_25140.trc:
ORA-00376: file 1416 cannot be read at this time
ORA-01110: data file 1416: '/dev/vgora14/rdbs_icdl_pt116'
Sun Feb 20 21:20:08 2022
Stopping background process MMNL
Sun Feb 20 21:20:09 2022
ORACLE Instance xifenfei (pid = 38) - Error 376 encountered while recovering transaction (88, 36) on object 33514955.
Sun Feb 20 21:20:09 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_smon_25140.trc:
ORA-00376: file 1264 cannot be read at this time
ORA-01110: data file 1264: '/dev/vgora14/rdbs_icdl_pt102'
Sun Feb 20 21:20:09 2022
Stopping background process MMON
Starting background process MMON
Starting background process MMNL
MMON started with pid=46, OS id=1482
Sun Feb 20 21:20:10 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_smon_25140.trc:
ORA-01578: ORACLE data block corrupted (file # 652, block # 3767844)
ORA-01110: data file 652: '/dev/vgora13/rdbs_dcdl_pt0205'
Sun Feb 20 21:20:10 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_smon_25140.trc:
ORA-01578: ORACLE data block corrupted (file # 652, block # 3767661)
ORA-01110: data file 652: '/dev/vgora13/rdbs_dcdl_pt0205'
replication_dependency_tracking turned off (no async multimaster replication found)
Sun Feb 20 21:20:11 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_smon_25140.trc:
ORA-01578: ORACLE data block corrupted (file # 652, block # 3767661)
ORA-01110: data file 652: '/dev/vgora13/rdbs_dcdl_pt0205'
Sun Feb 20 21:20:11 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_smon_25140.trc:
ORA-01578: ORACLE data block corrupted (file # 652, block # 3767661)
ORA-01110: data file 652: '/dev/vgora13/rdbs_dcdl_pt0205'
Sun Feb 20 21:20:11 2022
LOGSTDBY: Validating controlfile with logical metadata
Sun Feb 20 21:20:11 2022
LOGSTDBY: Validation complete
Sun Feb 20 21:20:11 2022
Errors in file /opt/oracle/admin/xifenfei/bdump/xifenfei_smon_25140.trc:
ORA-01578: ORACLE data block corrupted (file # 652, block # 3767661)
ORA-01110: data file 652: '/dev/vgora13/rdbs_dcdl_pt0205'
Completed: alter database open

对于异常undo进行处理,数据库正常open


由于客户短期无法迁移数据,先对于一些坏块进行修复，暂时运行数据库后续有时间窗口进行迁移.