Multiple database instance on one server

Hi experts
We are planning to implement ERP, BI, Solman, CRM and MDSD on windows/oracle platform. There is an idea about system landscape that all database instance of production systems are installed on one server and central instances of each system are installed on separate servers. Is there any performance or maintenance risk about this scenario? What is the advanteges and disadvantages of this landscape? Shall we prefer central system installation?
I'm waiting for your recommandation.
Best Regards...

Hi,
From experience one disadvantage in having an Oracle farm, is if the server plays up
or needs a reboot you of course lose all the systems databases.
Also getting all customers to aggree a maintenance slot together can be a pain.
Failover needs to be considered, DR also.
IMHO separate servers, but that is my preference I'm sure there are advantages.
Mark

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I want to install Solution manager in the same system which I have installed ECC6. So I want to install another database(10g). Can any one tell me the possibities to install it.
regards,
Nageshwar

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best regards

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Thanks.

And i say...
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Regards,
Bhanu Chander
Reference's i used: HOW TO: Install Multiple OBIEE Instances On One UNIX Machine (Doc ID 605582.1)

Hi
I was not much clear about what you are telling
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Ah, youre actually asking different things.
In your topic title, you say youre running separate instances
In your body text, you say you are under different user/schema
So tell me, do you have more than one database or not? How many entries in your TNS file?
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SELECT
a.id, b.id
FROM
tableA a
INNER JOIN
tableB@OTHER_DATABASE_LINK_NAME b <--NOTE!
USING(id)And of course you will have to look up CREATE PUBLIC DATABASE LINK sql..
Message was edited by:
charred

How to install two instance on one server

Dear Guru,
I want to install two instance on one server.
I have installed IDES server ( win 2k3 64 bit with SQL 2005 ECC 6.0)
Drive is
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Hi,
You only have to consider 2 things :
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Regards,
Wojtek
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Edited by: David Ingersoll on Jan 31, 2008 3:12 PM

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Be kind and Mark as Answer if I helped.

Multiple users logged into one server, each users printer has a different name, application needs ONE name to print to.

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I'm NOT in any way a Terminal Services expert and I need help trying to get an application program working in a multi-user environment.
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You have your default regular printer, easy for the application to find that one, and then you have a special printer that labels get printed onto. The application needs to know what printer is the label printer. So we allow the user to select that in the
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I don't really have a "for sure" answer to this, but because people here can't seem to deal with a question that hasn't been answered I'll provide the best answer I did receive from ServerFault.com user Nathan:
I can feel your pain with using old software on terminal servers ...the solution I've come up with definitely won't scale as it requires some manual configuration, but I've gotten this method to work with our label printers (which require to be
printed to an LPT port...yep, that old).
Share your USB-connected printers to the network on each machine. Then, have the user log in on aunique session for each of them
(a TS account cannot be shared among computers for this to work) and install a network printer pointing to the USB one they shared. Try to use a DNS name to account for possible DHCP movements.
After, it should work. Each user can do this since display names can be identical as long as the ports are different (which they are).
This was clarified by the following series of comments:
I think you are on to something here, and I originally advised the admin to do this. The problem he ran into is that it setup the printer names in the TS as "printer on usersworkstation"
and he could not rename it except to change the "printer" to whatever. E.g. the "on userworkstation" remained. I believe there is another way of installing the printer which avoids this, but I can't find it. Ages ago, one used to do NET
USE LPT2 \\computer\printer password /USER:domain\user /PERSISTENT:YES and then tell the driver to print to LPT2 –  James
Newton Mar
17 at 16:21
@JamesNewton That's actually the exact method we used. The way around the "network printer" part is to install it as local printer and map it to a TCP/IP port that way. –  Nathan
C Mar
17 at 16:28
You mean in the case where the printers are TCP/IP connected and not local USB / LPT to the users workstation? That makes sense. Wonder if this will work for USB connected printers... –  James
NewtonMar
17 at 16:35
@JamesNewton You'd share the local printer on the client's PC then on the server connect via TCP/IP to it. You'd need static addresses or use DNS names if DHCP, though. –  Nathan
C Mar
17 at 16:51
Ah. Yes. I see. Looks like the LPT thing should work even with a USB connected printer:superuser.com/questions/182655/… –  James
Newton Mar
17 at 17:09

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Message was edited by:
FeNiCrC_Neil

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Hi,
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Thanks,
Kev.

957354 wrote:
Hi Laxman,
If its a testing purpose its ok to have a one oracle_home and single listener for multiple DB. One problem when applying oracle patches for one of the instances running in a multiple DB running then you need to bring all the DB running in that host since the oracle_home is sharing between all db instances.
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Thanks!

check this thread it might help you
http://social.msdn.microsoft.com/Forums/sqlserver/en-US/ef79afea-320f-466b-a333-dc3547da7e37/merging-multiple-report-server-instances-into-one?forum=sqlreportingservices
Regards, Ashwin Menon My Blog - http:\\sqllearnings.com

Multiple database instance on one server

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