RE: Interesting RMAN duplicate problem.

  • From: "Taylor, Chris David" <ChrisDavid.Taylor@xxxxxxxxxxxxxxx>
  • To: "'norman.dunbar@xxxxxxxxxxxxxxxxxxxxxxxxx'" <norman.dunbar@xxxxxxxxxxxxxxxxxxxxxxxxx>, 'Martin Bach' <development@xxxxxxxxxxxxxxxxx>
  • Date: Wed, 27 Jan 2010 07:11:54 -0600

I know there's a hidden parameter to force open a database but I'm not sure if 
it has the same effect on an RMAN recovery as it does on a non-RMAN recovery.  
I assume it would.

The parameter is:

NAME    VALUE   DEFLT   TYPE    DESCRIPTION
_allow_resetlogs_corruption     FALSE   TRUE    boolean allow resetlogs even if 
it will cause corruption        


There is also this one that might be of interest
_allow_read_only_corruption     FALSE   TRUE    boolean allow read-only open 
even if database is corrupt        


These are ONLY as a last resort to allow you access to your data ...


Chris Taylor
Sr. Oracle DBA
Ingram Barge Company
Nashville, TN 37205
Office: 615-517-3355
Cell: 615-354-4799
Email: chris.taylor@xxxxxxxxxxxxxxx
 

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-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Dunbar, Norman
Sent: Wednesday, January 27, 2010 6:30 AM
To: Martin Bach
Cc: Niall Litchfield; ORACLE-L
Subject: RE: Interesting RMAN duplicate problem.

Morning Martin,

>> I like MOS note "How to recover and open the database if the 
>> archivelog required for recovery is either missing, lost or
corrupted? [ID 
>> 465478.1]" which might be of help.
Thanks. Yes, I had seen that one when researching this problem.
Unfortunately, I get stumped by this bit in Option 2:

"However, if we restored from an online or hot backup, then we may not
be able to open the database, because we still need to apply the
archivelogs generated during the said backup in order to synchronize the
SCN of the datafiles before we can normally open the database."

All my datafile headers are synchronised - which makes like
"interesting".


Cheers,
Norman.

Norman Dunbar
Contract Oracle DBA
CIS Engineering Services
Internal : 7 28 2051
External : 0113 231 2051


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