Re: [Sydney-Oracle] /etc/oratab settings in Red Hat linux for ORACLE_HOME before upgrade from 10.2 to 11.2

From: Geoffrey Zhang
Sent on: Friday, June 4, 2010 11:05 AM
The oratab file should be taken care by the OUI root.sh script and I don't think you have to do anything to it.

From my past upgrade experience on Solaris and Enterprise Linux, you only need to make sure ORACLE_BASE, ORACLE_HOME, and ORACLE_SID is correct and point to 11g then you can run through the upgrade script without any issues.

Regards
Geoffrey

On Thu, Jun 3, 2010 at 11:59 AM, karunika <[address removed]> wrote:


Hi All
 
I am going to upgrade from 10.2 to 11.2
Before start upgrade  according to the oracle Note 837570.1   step 28 (2)  i have to set the ORACLE_HOME in /etc oratab file in my red Hat Linux server. 
 
I have already installed grid Infrastructure as well as Orcel 11.2 software.  When i check /etc/oratab, it already set to my  grid home.
 
My doubt is before startup for  upgrade should i change this /etc/oratab entry to my Oracle software home  and remove grid home ? 
 
or
 
can i ignore  existing oratab  setting by  $ export ORACLE_HOME=/data01/app/oracle/product/11.2.0/dbhome_1  and do my upgrade.
 
What i understood is if i run .oraenv at the command prompt before start upgrade then only /etc/oratab setting will effect otherwise it will not set any enviorenemnt and i have to set them manually through export ORACLE_HOME command. So any seetings in /etc/oratab will not affect to upgrade. Is this understanding is correct??
 
Appriciate any comments

 
Regards
 
Karunika


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