ORACLE的 REDO 损坏 之 INACTIVE损坏 恢复 办法 ERIKXUE 薛忠权

SQL> select * from v$log;

   GROUP#    THREAD#  SEQUENCE#      BYTES    MEMBERS ARC STATUS     FIRST_CHANGE# FIRST_TIM

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

1    1       2   52428800     1 NO  CURRENT     518838 23-APR-11

2    1       1   52428800     1 NO  INACTIVE     518704 23-APR-11

3    1       0   52428800     1 YES UNUSED  0

SQL> select * from v$logfile;

   GROUP# STATUS     TYPE    MEMBER    IS_

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

3      ONLINE  /u01/oracle/oradata/ERIKXUE/redo03.log    NO

2      ONLINE  /u01/oracle/oradata/ERIKXUE/redo02.log    NO

1      ONLINE  /u01/oracle/oradata/ERIKXUE/redo01.log    NO

SQL>

SQL> ! rm /u01/oracle/oradata/ERIKXUE/redo02.log

SQL> shut immediate

Database closed.

Database dismounted.

ORACLE instance shut down.

SQL> startup

ORACLE instance started.

Total System Global Area  285212672 bytes

Fixed Size    1218992 bytes

Variable Size   83887696 bytes

Database Buffers  197132288 bytes

Redo Buffers    2973696 bytes

Database mounted.

ORA-00313: open failed for members of log group 2 of thread 1

ORA-00312: online log 2 thread 1: '/u01/oracle/oradata/ERIKXUE/redo02.log'

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SQL> alter database clear logfile group 2;

Database altered.

SQL> alter database open;

Database altered.

SQL>