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upgrade a database from 10.2.0.3 to 10.2.0.5

we have 2 databases in a single oracle home. These databases are in 10.2.0.3
I would like to upgrade one database to 10.2.0.5.
Can anybody thow me a light on how to acheive this?
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ramavenkatesa
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ramavenkatesa
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johnsoneSenior Oracle DBACommented:
If you only want to upgrade one database, you would create a new Oracle home.  Put 10.2.0.3 in the new home.  Move the database to be upgraded to the new home and run the upgrade.
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ramavenkatesaAuthor Commented:
can you please give me the summary of that procedure how to do that?
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johnsoneSenior Oracle DBACommented:
In a UNIX type environment, it should be pretty easy.

Create a new directory to hold the Oracle home, if the old one is /app/oracle/product/10.2, create /app/oracle/product/10.2.0.5.

Install Oracle with the same options into the new ORACLE_HOME.  Be sure to copy over spfile, listener.ora, tnsnames.ora, etc.

Change the oratab (usually located in /etc) for the database to be upgraded to point to the new home.

Shut down the database to be upgraded.

Use the oraenv script to change to the new home.

Start up the database in the new home.

Run the upgrade.

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ramavenkatesaAuthor Commented:

In one of the steps, u mentioned install oracle with same options.
can i use this procedure?

We will tar the oracle_home and put in one location say /tmp
 
untar into  NEW directory -- infact new oracle home
 
we will run Command:  $ORACLE_HOME/oui/bin/runInstaller -silent -clone ORACLE_HOME="NEW directory" ORACLE_HOME_NAME="home1"
 
We need to run the post root*.sh scripts after install
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johnsoneSenior Oracle DBACommented:
Personally, I haven't done it that way.  It may work.  A fresh install is always best.  The reason that I say that is there are known issues with relinking if you tar and untar the ORACLE_HOME directory.  The clone that you are running may fix that.
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ramavenkatesaAuthor Commented:
i can get oracle software for 10.2.0.1 from oracle website
Then, i need to upgrade oracle binaries from 10.2.0.1 to 10.2.0.3 software. Am I right?
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johnsoneSenior Oracle DBACommented:
Yes.  That would involve running the patch from 10.2.0.1 to 10.2.0.3.  It will be upgrading software only, no databases, so it is pretty quick.
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ramavenkatesaAuthor Commented:
implemented.
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ramavenkatesaAuthor Commented:
one question, u mentioned oraenv
is it essential to run oraenv OR i can simply use .profile??
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johnsoneSenior Oracle DBACommented:
It is not required to use oraenv.  If you use the .profile, make sure that you update it with the new paths.
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