RE: 20 Instances 1 Machine

Lemme see if I have the record here. I have an RS6000 M80 with 77 different Oracle instances purring along on it right now.

:-))

RF

Robert G. Freeman - Oracle OCP
Oracle Database Architect
CSX Midtier Database Administration
Author
Oracle9i RMAN Backup and Recovery (Oracle Press - Oct 2002) Oracle9i New Features (Oracle Press)
Mastering Oracle8i  (Sybex)

The avalanche has begun, It is too late for the pebbles to vote.

-----Original Message-----
Sent: Monday, August 05, 2002 11:39 AM
To: Multiple recipients of list ORACLE-L

My question exactly: business or pleasure?

> -----Original Message-----
> From: DENNIS WILLIAMS [mailto:DWILLIAMS_at_LIFETOUCH.COM]
> Sent: Monday, August 05, 2002 11:09 AM
> To: Multiple recipients of list ORACLE-L
> Subject: RE: 20 Instances 1 Machine
>
>
> Greg - Why do you run 10-30 instances on a machine? Is it technical or
> business factors? Thanks.
>
> Dennis Williams
> DBA
> Lifetouch, Inc.
> dwilliams_at_lifetouch.com
>
>
> -----Original Message-----
> Sent: Monday, August 05, 2002 9:04 AM
> To: Multiple recipients of list ORACLE-L
>
>
> We do Enterprise Server Resource Sharing here..
>
> We have boxes with 10-30 instances running on them. In some
> cases, we will
> split machine/resources up into domains. And in some
> cases-there are all of
> the databases running on a machine.
>
> In either case, it takes quite a bit of planning to implement
> this type of
> environment. you should engage the SA's (OS, hardware, and
> storage). We have
> a plan here that allows us to implement many instances on the
> same machine
> that prevents mistakes. We also have these machines in a SUN Clustered
> environment so that there is some sense of "HA" involved...
>
> Good Luck
> Greg
>
> -----Original Message-----
> Sent: Friday, August 02, 2002 10:48 AM
> To: Multiple recipients of list ORACLE-L
>
>
> I would recommend a Sun E-15k. The best option would be to
> domain it into
> separate virtual boxes so that each instance has it's own
> space. Or, you
> could go the other route and buy a bunch of Ultra-2 machines
> and give each
> database its own box. Or, maybe a blade for each instance?
>
> -----Original Message-----
> Sent: Friday, August 02, 2002 5:23 AM
> To: Multiple recipients of list ORACLE-L
>
>
> You also have to consider the OS overhead.
> Putting 20 instances means hundreds of processes.
> Just managing all this at the system level can be resource consuming.
>
> Yechiel Adar
> Mehish
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Jenkins, Michael-EDS
> INET: Michael.Jenkins_at_Nextel.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: Loughmiller, Greg
> INET: Greg.Loughmiller_at_cingular.com
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
> --
> Please see the official ORACLE-L FAQ: http://www.orafaq.com
> --
> Author: DENNIS WILLIAMS
> INET: DWILLIAMS_at_LIFETOUCH.COM
>
> Fat City Network Services -- (858) 538-5051 FAX: (858) 538-5051
> San Diego, California -- Public Internet access / Mailing Lists
> --------------------------------------------------------------------
> To REMOVE yourself from this mailing list, send an E-Mail message
> to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
> the message BODY, include a line containing: UNSUB ORACLE-L
> (or the name of mailing list you want to be removed from). You may
> also send the HELP command for other information (like subscribing).
>

-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Gogala, Mladen
  INET: MGogala_at_oxhp.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).
-- 
Please see the official ORACLE-L FAQ: http://www.orafaq.com
-- 
Author: Freeman, Robert
  INET: Robert_Freeman_at_csx.com

Fat City Network Services    -- (858) 538-5051  FAX: (858) 538-5051
San Diego, California        -- Public Internet access / Mailing Lists
--------------------------------------------------------------------
To REMOVE yourself from this mailing list, send an E-Mail message
to: ListGuru_at_fatcity.com (note EXACT spelling of 'ListGuru') and in
the message BODY, include a line containing: UNSUB ORACLE-L
(or the name of mailing list you want to be removed from).  You may
also send the HELP command for other information (like subscribing).