loss of the current redolog Member

What are the correct steps if the current redolog member is lost?

Oracle DOCs to read:

Try to clear the log; If impossible, then you must either use Flashback Database or restore a backup and perform incomplete recovery until the most recent log available again

Group number 3 is the current:

SQL > SELECT GROUP #, MEMBER, STATUS, ARCHIVED from V$ LOG;

# MEMBERS STATUS CRA GROUP

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

1 2 INACTIVE YES

2 2 INACTIVE YES

3 2 CURRENT NO.

If I have a clear logfile I have run into this error:

SQL > ALTER DATABASE CLEAR LOGFILE GROUP 3;

ALTER DATABASE CLEAR LOGFILE GROUP 3

*

FEHLER in line 1:

ORA-01624: newspaper 3 as Crash Recovery von Instanz DB01 required (1-wire) (Log 3 is required for Crash Recovery)

ORA-00312: newspaper in line 3, 1 wire: ' / db_data1/DB/DB01/redoA/redo03A.log'

ORA-00312: newspaper in line 3, 1 wire: ' / db_data2/DB/DB01/redoB/redo03B.log'

SQL > ALTER DATABASE CLEAR no ARCHIVED LOGFILE GROUP 3;

ALTER DATABASE CLEAR NO ARCHIVED LOGFILE GROUP 3

*

FEHLER in line 1:

ORA-01624: newspaper 3 as Crash Recovery von Instanz DB01 required (1-wire) (Log 3 is required for Crash Recovery)

ORA-00312: newspaper in line 3, 1 wire: ' / db_data1/DB/DB01/redoA/redo03A.log'

ORA-00312: newspaper in line 3, 1 wire: ' / db_data2/DB/DB01/redoB/redo03B.log'

I must issue a logswitch first?

Or this message means "if not impossible, then you must either use...» »

Concerning

Christian

What are the steps necessary to maintain the operational database?

1. No, there can't / shouldn't according to manuals OCP or doc Oracle,.

2 see you remove member current journal has declined (it IS on Linux, then the file will not be deleted - please the file descriptor, because the oracle processes are suspended / writing it). A temperory would exist, which could be hanging around

3 logically your database should get stopped or terminated by LGWR process, since most likely it could access LOG

4. as you said, this database is running, ends, this is what is happening behind the scene.

I'm not talking about a recovery.

5. why not deranged are about recovery, given that your database is getting stopped and your question is, how to keep the operational database.  Manual of the OCP is not said - t - he's going to continue?

Transaction and perform log switches work?  Since your two members of your group of newspapers are missed - he'll get suspended / ended

6. then, now to maintain your database continue to work you either do what @Dude said (or in the case where you perform the manual up to cancel recovery operations)

It could be useful now, you try to understand the scenario.

-Pavan Kumar N

Tags: Database

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