Redo Log Recovery

Recover Redo01.dbf
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SQL>SHUTDOWN IMMEDIATE;

SQL>STARTUP MOUNT;

SQL>SELECT GROUP#, ARCHIVED,STATUS FROM V$LOG;
1 NO CURRENT
2 YES INACTIVE
3 YES INACTIVE

SQL>ALTER DATABASE CLEAR UNARCHIVED LOGFILE GROUP 1;

DROP logfile Group
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SQL>ALTER DATABASE DROP LOGFILE GROUP 1;
(Remove redo01.log manualy)

Create Logfile Group
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SQL>ALTER DATABASE ADD LOGFILE GROUP 1 ('/opt/app/oracle/oradata/scdcc/redo01.log') size 50000K;

SQL>ALTER DATABASE OPEN;