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how to recover from one corrupted redo log file in NOARCHIVE mode?

444476Nov 8 2007 — edited Nov 9 2007
Oracle 10.2.1.

The redo log file was corrupted and Oracle can't work.

When I use STARTUP mount, I got no error msg.
SQL> startup mount
ORACLE instance started.

Total System Global Area 1652555776 bytes
Fixed Size 1251680 bytes
Variable Size 301991584 bytes
Database Buffers 1342177280 bytes
Redo Buffers 7135232 bytes
Database mounted.

But I have some applications which are depended on Oracle can't be started.
So, I tried STARTUP open. But I got error msg.

SQL> startup open
ORACLE instance started.

Total System Global Area 1652555776 bytes
Fixed Size 1251680 bytes
Variable Size 301991584 bytes
Database Buffers 1342177280 bytes
Redo Buffers 7135232 bytes
Database mounted.
ORA-00368: checksum error in redo log block
ORA-00353: log corruption near block 497019 change 42069302 time 11/07/2007
23:43:09
ORA-00312: online log 4 thread 1:
'G:\ORACLE\PRODUCT\10.2.0\ORADATA\NMDATA\REDO04.LOG'

So, how can I restore and recover my database?
If use RMAN, how to do that?

Any help will be appreciated.

Thanks.
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Locked on Dec 7 2007
Added on Nov 8 2007
#general-database-discussions
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