RE: checking for block corruption

Ok, first, 'BACKUP VALIDATE' will *not* actually do a backup:
http://docs.oracle.com/cd/B19306_01/backup.102/b14193/toc.htm#sthref34

Based on the error you're seeing, you need to put the backup copy into 
archivelog mode, to be able to successfully do the test.

Finally, see here:
http://docs.oracle.com/cd/B19306_01/backup.102/b14191/rcmconc1.htm#BRADV115

for details of options that should and should not be set for a full validation.

Hope that helps,

-Mark

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] On 
Behalf Of Dba DBA
Sent: Monday, May 21, 2012 2:43 PM
To: ORACLE-L
Subject: checking for block corruption

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).


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