RE: checking for block corruption

11g allows this command to be run.  You are using a 10g database.

WGB





From:   "Sweetser, Joe" <JSweetser@xxxxxxxx>
To:     "oracledbaquestions@xxxxxxxxx" <oracledbaquestions@xxxxxxxxx>, 
ORACLE-L <oracle-l@xxxxxxxxxxxxx>
Date:   05/21/2012 02:27 PM
Subject:        RE: checking for block corruption
Sent by:        oracle-l-bounce@xxxxxxxxxxxxx



I can't answer your question as to "why" but metalink note 466875.1 
implies the only way to accomplish what you want is to run the command 
while the database is mounted, but not open.

Hth,
-joe

-----Original Message-----
From: oracle-l-bounce@xxxxxxxxxxxxx [mailto:oracle-l-bounce@xxxxxxxxxxxxx] 
On Behalf Of Dba DBA
Sent: Monday, May 21, 2012 12:43 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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