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标签归档:19c恢复
Oracle 19c故障恢复
有客户找到我们,他们的oracle 19c数据库由于异常断电,导致启动异常,经过一系列恢复之后,依旧无法解决问题,请求我们给予支持.通过我们的Oracle数据库异常恢复检查脚本(Oracle Database Recovery Check),获取数据库当前信息如下:
数据库版本为19C并且安装了19.5.0.0.191015 (30125133)补丁
数据库使用pdb
数据库启动成功后,一会就crash掉
2020-03-10T01:44:41.018032+08:00 Pluggable database RACBAK opened read write 2020-03-10T01:44:41.018996+08:00 Pluggable database RAC opened read write 2020-03-10T01:44:51.244050+08:00 Completed: ALTER PLUGGABLE DATABASE ALL OPEN Starting background process CJQ0 Completed: ALTER DATABASE OPEN 2020-03-10T01:44:51.317085+08:00 CJQ0 started with pid=224, OS id=32581 2020-03-10T01:44:56.067043+08:00 Errors in file /opt/oracle/diag/rdbms/XFF/XFF/trace/XFF_j001_32588.trc (incident=1095281) (PDBNAME=RAC): ORA-00600: internal error code, arguments: [4193], [27733], [27754], [], [], [], [], [], [], [], [], [] RAC(4):Incident details in: /opt/oracle/diag/rdbms/XFF/XFF/incident/incdir_1095281/XFF_j001_32588_i1095281.trc RAC(4):Use ADRCI or Support Workbench to package the incident. See Note 411.1 at My Oracle Support for error and packaging details. 2020-03-10T01:44:56.073112+08:00 RAC(4):***************************************************************** RAC(4):An internal routine has requested a dump of selected redo. RAC(4):This usually happens following a specific internal error, when RAC(4):analysis of the redo logs will help Oracle Support with the RAC(4):diagnosis. RAC(4):It is recommended that you retain all the redo logs generated (by RAC(4):all the instances) during the past 12 hours, in case additional RAC(4):redo dumps are required to help with the diagnosis. RAC(4):***************************************************************** 2020-03-10T01:44:56.079228+08:00 Errors in file /opt/oracle/diag/rdbms/XFF/XFF/trace/XFF_j002_32590.trc (incident=1095289) (PDBNAME=RAC): ORA-00600: internal error code, arguments: [4193], [2633], [2638], [], [], [], [], [], [], [], [], [] RAC(4):Incident details in: /opt/oracle/diag/rdbms/XFF/XFF/incident/incdir_1095289/XFF_j002_32590_i1095289.trc RAC(4):Use ADRCI or Support Workbench to package the incident. See Note 411.1 at My Oracle Support for error and packaging details. 2020-03-10T01:44:56.085068+08:00 RAC(4):***************************************************************** RAC(4):An internal routine has requested a dump of selected redo. RAC(4):This usually happens following a specific internal error, when RAC(4):analysis of the redo logs will help Oracle Support with the RAC(4):diagnosis. RAC(4):It is recommended that you retain all the redo logs generated (by RAC(4):all the instances) during the past 12 hours, in case additional RAC(4):redo dumps are required to help with the diagnosis. RAC(4):***************************************************************** 2020-03-10T01:44:56.115765+08:00 Errors in file /opt/oracle/diag/rdbms/XFF/XFF/trace/XFF_j004_32594.trc (incident=1095305) (PDBNAME=RAC): ORA-00600: internal error code, arguments: [4193], [63532], [63537], [], [], [], [], [], [], [], [], [] RAC(4):Incident details in: /opt/oracle/diag/rdbms/XFF/XFF/incident/incdir_1095305/XFF_j004_32594_i1095305.trc RAC(4):Use ADRCI or Support Workbench to package the incident. See Note 411.1 at My Oracle Support for error and packaging details. 2020-03-10T01:46:48.202213+08:00 RAC(4):Recovery of Online Redo Log: Thread 1 Group 2 Seq 2 Reading mem 0 RAC(4): Mem# 0: /opt/oracle/oradata/XFF/redo02.log RAC(4):Block recovery completed at rba 0.0.0, scn 0x0000000d3675e48e RAC(4):DDE: Problem Key 'ORA 600 [4193]' was completely flood controlled (0x6) Further messages for this problem key will be suppressed for up to 10 minutes 2020-03-10T01:46:48.384040+08:00 Errors in file /opt/oracle/diag/rdbms/XFF/XFF/trace/XFF_clmn_31741.trc: ORA-00600: internal error code, arguments: [4193], [27733], [27754], [], [], [], [], [], [], [], [], [] Errors in file /opt/oracle/diag/rdbms/XFF/XFF/trace/XFF_clmn_31741.trc (incident=1093505) (PDBNAME=CDB$ROOT): ORA-501 [] [] [] [] [] [] [] [] [] [] [] [] Incident details in: /opt/oracle/diag/rdbms/XFF/XFF/incident/incdir_1093505/XFF_clmn_31741_i1093505.trc 2020-03-10T01:46:49.264624+08:00 USER (ospid: 31741): terminating the instance due to ORA error 501 2020-03-10T01:46:49.280664+08:00 System state dump requested by (instance=1, osid=31741 (CLMN)), summary=[abnormal instance termination]. System State dumped to trace file /opt/oracle/diag/rdbms/XFF/XFF/trace/XFF_diag_31759.trc 2020-03-10T01:46:53.156926+08:00 ORA-00501: CLMN process terminated with error 2020-03-10T01:46:53.157103+08:00 Errors in file /opt/oracle/diag/rdbms/XFF/XFF/trace/XFF_diag_31759.trc: ORA-00501: CLMN process terminated with error 2020-03-10T01:46:53.157211+08:00 Dumping diagnostic data in directory=[cdmp_20200310014649], requested by (instance=1, osid=31741 (CLMN)), summary=[abnormal instance termination].
通过报错信息判断,数据库open之后(特别是pdb 4 open之后),开始报ORA-600 4193错误.然后由于CLMN进程异常,最后数据库crash.对于这类故障,因为使用的pdb,而且是由于pdb的undo异常导致数据库启动之后crash,可以通过对于pdb进行特殊处理,从而实现数据库启动之后不再crash.