RE: Physical Design Question

It's entirely possible to have multiple Oracle homes with multiple databases on windoze.

Not as slick as unix, but it works.

Jared

"Gene Sais" <Gsais_at_co.palm-beach.fl.us>
Sent by: ml-errors_at_fatcity.com
 07/18/2003 06:59 AM
 Please respond to ORACLE-L  

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        Subject:        RE: Physical Design Question

I do the same. One OH for each version. Listener uses the latest OH. Databases set env script for OH required. Simple and it works. I couldn't imagine having 14 OH's for 14 8i databases on one server :). Now if I were running on Windows then I would have one db per server hence one OH. Its all relative, do what you like! Gene

>>> DGoulet_at_vicr.com 07/18/03 09:19AM >>> 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-----
Sent: Thursday, July 17, 2003 7:29 PM
To: Multiple recipients of list ORACLE-L

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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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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