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标签归档:kghstack_free2
ORA-600 kghstack_free2异常恢复
今天接触一案例ORA-00600[kghstack_free2],恢复起来很简单,顺便记录下,供其他人遇到类似情况参考.
Wed Feb 20 15:05:04 2013 SMON: enabling cache recovery Wed Feb 20 15:05:05 2013 Successfully onlined Undo Tablespace 1. Wed Feb 20 15:05:05 2013 SMON: enabling tx recovery Wed Feb 20 15:05:06 2013 Errors in file f:\oracle\product\10.2.0\admin\cksoltp\bdump\cksoltp_smon_3556.trc: ORA-00600: internal error code, arguments: [kghstack_free2], [], [], [], [], [], [], [] Wed Feb 20 15:05:06 2013 Database Characterset is AL32UTF8 replication_dependency_tracking turned off (no async multimaster replication found) Wed Feb 20 15:05:08 2013 Errors in file f:\oracle\product\10.2.0\admin\cksoltp\bdump\cksoltp_smon_3556.trc: ORA-07445: exception encountered: core dump [ACCESS_VIOLATION] [_kghstack_err+101] [PC:0x603CC77F] [ADDR:0x59004E04] [UNABLE_TO_READ] [] ORA-00600: internal error code, arguments: [kghstack_free2], [], [], [], [], [], [], [] Starting background process QMNC QMNC started with pid=18, OS id=3504 Wed Feb 20 15:05:13 2013 Errors in file f:\oracle\product\10.2.0\admin\cksoltp\bdump\cksoltp_pmon_4064.trc: ORA-00474: SMON process terminated with error
这个错误很明显是因为smon在回滚事务的时候,遇到异常从而出现ORA-00600[kghstack_free2]错误,使得数据库不能被正常open,通过分析trace文件发现回滚段36中有事务未提交,需要回滚,针对这样的数据库恢复方法很简单:1.屏蔽事务回滚,2.屏蔽回滚段强制offline等
1) EVENT=”10513 trace name context forever”
2)_offline_rollback_segments= _SYSSMU36$
数据库启动后,通过分析trace文件,找出来异常对象,然后重建该对象,除掉event/_offline_rollback_segments即可