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  • Redo 非current损坏

       Redo log 文件损坏或丢失,在启动数据库时在alert日志中会有如下错误:

    ORA-00313: open failed for members of log group 1 of thread 1

    ORA-00312: online log 1 thread 1: '/u01/app/oracle/oradata/orcl/redo01.log'

    ORA-27037: unable to obtain file status

    Linux-x86_64 Error: 2: No such file or directory

    log group 1'/u01/app/oracle/oradata/orcl/redo01.log'丢失,首先确定该日志组状态:

    SQL> select group#,sequence#,archived,status from v$log;

        GROUP#  SEQUENCE# ARC STATUS

    ---------- ---------- --- ----------------

             1          1 YES INACTIVE

             3          3 NO  CURRENT

             2          2 YES INACTIVE

    log group 1为非当前联机日志,可以采用如下方法解决:

    SQL> alter database clear logfile group 1;     

    Database altered.

    SQL> alter database open;   

    Database altered.

    如果该日志组还没有归档,可以使用下面命令强行clear,强行clear后最好作一次数据库的全备份

    SQL>alter database clear unarchived logfile group 1;

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  • 原文地址:https://www.cnblogs.com/liang545621/p/9405862.html
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