两个有趣的REDOLOGERROR处理方法系统环境:操作系统:AIX-5300数据库:Oracle10g(10.2.0.1.0)案例描述:数据库(归档模式)非当前日志组被破坏,但由于破坏方式不
两个有趣的redo log error处理方法
系统环境:
操作系统: AIX-5300
数据库: Oracle 10g(10.2.0.1.0)
案例描述:
数据库(归档模式)非当前日志组被破坏,但由于破坏方式不同,,在解决问题的方式稍有不同,很有意思.
案例1:非当前日志组文件被删除
SQL> select member from v$logfile;
MEMBER
——————————————————————————————————–
/dsk1/oradata/prod/redo03a.log
/dsk1/oradata/prod/redo02a.log
/dsk1/oradata/prod/redo01a.log
/dsk2/oradata/prod/redo01b.log
/dsk2/oradata/prod/redo02b.log
/dsk2/oradata/prod/redo03b.log
6 rows selected.
删除非当前日志组:
[oracle@aix211 ~]$cd /dsk1/oradata/prod/
[oracle@aix211 prod]$ls
control02.ctl redo01a.log redo02a.log redo03a.log
[oracle@aix211 prod]$rm redo01a.log
[oracle@aix211 prod]$cd /dsk2/oradata/prod/
[oracle@aix211 prod]$ls
redo01b.log redo02b.log redo03b.log
[oracle@aix211 prod]$rm redo01b.log
关闭数据库,并重新启动:
SQL> shutdown abort
ORACLE instance shut down.
SQL> startup
ORACLE instance started.
Total System Global Area 1258291200 bytes
Fixed Size 2020552 bytes
Variable Size 318769976 bytes
Database Buffers 922746880 bytes
Redo Buffers 14753792 bytes
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Database mounted.
ORA-00313: open failed for members of log group 1 of thread 1
ORA-00312: online log 1 thread 1: ‘/dsk1/oradata/prod/redo01a.log’
ORA-00312: online log 1 thread 1: ‘/dsk2/oradata/prod/redo01b.log’
告警日志:(提示:日志组文件找不到,无法读取)
Errors in file /u01/app/oracle/admin/prod/udump/prod_ora_536600.trc:
ORA-00313: open failed for members of log group 1 of thread 1
ORA-00312: online log 1 thread 1: ‘/dsk2/oradata/prod/redo01b.log’
ORA-27037: unable to obtain file status
IBM AIX RISC System/6000 Error: 2: No such file or directory
Additional information: 3
ORA-00312: online log 1 thread 1: ‘/dsk1/oradata/prod/redo01a.log’
ORA-27037: unable to obtain file status
IBM AIX RISC System/6000 Error: 2: No such file or directory
Additional information: 3
Completed: alter database clear logfile group 1
Mon May 26 10:02:36 2014
alter database open
Mon May 26 10:02:36 2014
Block change tracking file is current.
解决方法:
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARC STATUS FIRST_CHANGE# FIRST_TIM
———- ———- ———- ———- ———- — —————- ————- ———
1 1 452 52428800 2 YES INACTIVE 806225 26-MAY-14
3 1 451 52428800 2 YES INACTIVE 803970 26-MAY-14
2 1 453 52428800 2 NO CURRENT 806237 26-MAY-14
由于是非当前日志组,并且已经完成归档:
SQL> alter database clear logfile group 1;
Database altered.
打开数据库成功:
SQL> alter database open;
Database altered.
SQL> select * from v$log;
GROUP# THREAD# SEQUENCE# BYTES MEMBERS ARC STATUS FIRST_CHANGE# FIRST_TIM
———- ———- ———- ———- ———- — —————- ————- ———
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