RE: checking for block corruption

Opps, my mistake.  Another reason to upgrade :)
From: wblanchard@xxxxxxxxxxxxxxx [mailto:wblanchard@xxxxxxxxxxxxxxx]
Sent: Tuesday, May 22, 2012 10:40 AM
To: CRISLER, JON A
Cc: deshpande.subodh@xxxxxxxxx; ORACLE-L; oracle-l-bounce@xxxxxxxxxxxxx; 
oracledbaquestions@xxxxxxxxx
Subject: RE: checking for block corruption

This only works in 11g.  The original poster stated that the database is a 10g 
database.



WGB





From:        "CRISLER, JON A" <JC1706@xxxxxxx>
To:        "deshpande.subodh@xxxxxxxxx" <deshpande.subodh@xxxxxxxxx>, 
"oracledbaquestions@xxxxxxxxx" <oracledbaquestions@xxxxxxxxx>
Cc:        ORACLE-L <oracle-l@xxxxxxxxxxxxx>
Date:        05/22/2012 09:34 AM
Subject:        RE: checking for block corruption
Sent by:        oracle-l-bounce@xxxxxxxxxxxxx
________________________________



RMAN can do a validation of the datafile-  You don't need a backup in advance 
to do this.

In RMAN -   validate datafile X;  where X is the datafile number.  Then check 
v$block_corruption for additional results.

You can also use Database Verify (DBV) utility.  DBV is a standalone program, 
so the db does not need to be running to use dbv.
For raw devices I have never used DBV- may or may not work :)

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Subodh Deshpande
Sent: Tuesday, May 22, 2012 4:05 AM
To: oracledbaquestions@xxxxxxxxx
Cc: ORACLE-L
Subject: Re: checking for block corruption

you want to check the corruption in files..following links may help you..
http://docs.oracle.com/cd/B19306_01/server.102/b14215/dbverify.htm

https://forums.oracle.com/forums/thread.jspa?threadID?3516

On 22 May 2012 00:13, Dba DBA <oracledbaquestions@xxxxxxxxx> wrote:

> I need to run a block corruption test. I have a BCV copy of prod I am
> running this on. We are not using RMAN for prod backups. I can't change
> this.
> DB Version: 10.2.0.5.6
> DB Size: 10 TBs
> files are on raw partitions
> rman target /
>
> backup validate database;
>
> if I run this will this actually backup the DB? When I read the docs they
> seemed to say it would only do a validate check. We have the DB copy in
> noarchivelog mode.
> When I ran that command I get:
>
> RMAN-03009: failure of backup command on ORA_DISK_1 channel at 05/21/2012
> 16:05:09
> ORA-19602: cannot backup or copy active file in NOARCHIVELOG mode
>
> If backup validate only checks for block corruption why does it care if I
> am in archivelog mode ( i know i can bounce the db or turn it off. I want
> to  make sure I'm not actually taking a backup).
>
>
> --
> http://www.freelists.org/webpage/oracle-l
>
>
>


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