RE: Physical Design Question

From: Goulet, Dick <DGoulet_at_vicr.com>
Date: Fri, 18 Jul 2003 08:21:01 -0400
Message-Id: <25956.338434@fatcity.com>

Ray,

Boy are you ever. In our location every version gets an Oracle_Home. Databases that share the same version share the same home. BTW: Oracle Support recommends using the listener for the highest version installed. I do that & it works very darn well, unless your into extproc's. Then you should have an extproc listener for each version installed.

Dick Goulet
Senior Oracle DBA
Oracle Certified 8i DBA

-----Original Message-----
From: Ron Thomas [mailto:rthomas_at_hypercom.com] Sent: Thursday, July 17, 2003 7:29 PM
To: Multiple recipients of list ORACLE-L Subject: RE: Physical Design Question

my 2cents...

Every instance get it's own oracle home, user id and group id. Total isolation and separation. It makes our auditors happy too!

Then again, I may be an extremist...

Ron Thomas
Hypercom, Inc
rthomas_at_hypercom.com
Each new user of a new system uncovers a new class of bugs. -- Kernighan

                                                                                                                                                  
                      Stephen.Lee_at_DTAG.                                                                                                           
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                      ORACLE-L

Well, since nobody else has jumped on this...

-----Original Message-----
> Here's my situation:
> 1. Should I use a separate Oracle Home for each DB?

Not unless you have some peculiar situation there. Use separate ORACLE_HOME for each version of Oracle but not each database.

> Pros: --Allows upgrade/patching of 1 DB at a
> time without affecting others (some are home-grown,
> some are 3rd party).

The separate ORACLE_HOME for each version takes care of this. You just change the ORACLE_HOME in the oratab when you upgrade the database. If you use environment setting scripts, have them grab the correct ORACLE_HOME from the oratab.

something like:

export ORACLE_HOME=`/usr/bin/nawk -F: '$1 == SID {print $2}' SID="$ORACLE_SID" "$ORATAB"` where ORATAB is the path to your oratab file.

Sorry, I got no opinions on your storage arrangement.

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Author: Ron Thomas
  INET: rthomas_at_hypercom.com

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Received on Fri Jul 18 2003 - 07:21:01 CDT