Oracle-L: Re: Reducing the number of databases

From: AK <oramagic_at_hotmail.com>
Date: Fri, 19 Sep 2003 08:49:44 -0800
Message-ID: <F001.005D083A.20030919084944@fatcity.com>

I have seen more requirement for individual development databases ( where ind schema is not possible ) due to complexity of application . Developers step on each other if they work of same database . A pl/sql developer is invalidating procedure while a java developer is trying to make his program work.

-ak

Original Message ----- From: Stephane Paquette To: Multiple recipients of list ORACLE-L Sent: Friday, September 19, 2003 8:59 AM Subject: Reducing the number of databases

Hi,

We have around 120 databases. Most applications have 5 environments (dev, test, integrated test, acceptance, prod) some applications have more. The applications are a mix of home developped and bought application (peoplesoft, harvest, compass,...) New applications are coming in.
New databases will appear soon with DB2UDB.

All servers are unix/aix, there are 15 production server and around 10 servers for the dev, test, integrated test and acceptance databases. All databases are at 8172 except 6-7 databases and planning to go to 9i in 2004. Off course we see the migration like a pain.

We want to reduce the number of databases and instances. To obtain a significative gain I think we must reduced to around 60 databases.

Anybody has done the task to consolidate on less servers and les databases ?

One way to do it would be to go with

      2 instances of dev
      2 instances of test
      2 instances of integrated test
      2 instances of acceptance
      all prod instances are standalone.

  Food for thought
      backup
      Oracle version
      availability
      naming convention of objects
      security
      ...

All feedback is welcome.

Stephane Paquette
Administrateur de bases de donnees

Database Administrator

Standard Life

www.standardlife.ca

Tel. (514) 499-7999 poste 7470 et (514) 925-7187

stephane.paquette_at_standardlife.ca

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Author: AK
INET: oramagic_at_hotmail.com

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