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nuwanguy 10-14-2003 04:07 AM

RedHat 9 on Intel Dual Processors ??? and Tuning for Oracle 9i ?
Hi all,

Iím about to install RedHat 9 on a Intel Dual Processors. Is there any special configuration for dual processors?

And after that, I need install Oracle 9i on it, how about tuning RedHat for Oracle ? Especially, when I having dual processors?

Any helpful tips or configuration steps would be greatly appreciated !

Thanks for reading.


marist89 10-14-2003 12:09 PM

There's nothing special about tuning Oracle on a 2 processor box. Oracle will usually pick up the fact that you have multiple processors and use them to their fullest advantage.

As a note, Oracle is not supporting the 9i database on RH9, although it works. I believe only the AS and ES versions of RH are supported. If this is a production box, I would re-consider your OS choice.

nuwanguy 10-16-2003 05:07 AM

Tnx marist89 !!!

The BOX is Dual Xeon, when was I trying to install RedHat 9 on it, just after booting form the CDROM itís said that it canít identify the CDROM.

Somewhat mysterious! Because itís boots up from the CDROM at the beginning. After selecting the GUI installation mode, its crashed saying ďCanít identify the CDROMĒ.

Any way, I have heard that RedHat Advanced server supports to the dual possessors.

Any ideas ?

UltimaGuy 10-16-2003 05:52 AM

After installing RH, just recompile the kernel turning on dual processing in the kernel. I think it will be under the symmetrical multiprocessing option.

nuwanguy 10-16-2003 08:06 AM

Tnx UltimaGuy !

But are you talking about RH 9 or Advanced server ?

nuwanguy 10-16-2003 08:13 AM

And highly appreciate if you can provide me, proper HOWTOS (some URLs) on compiling the kernel.

UltimaGuy 10-17-2003 01:52 AM

What I was talking about was RH 9, but it applies also to Advanced Server. (I am preparing for RHCE). As for compiling the kernel, it is very easy if you follow the steps provided by redhat. I am now pointing towards this site --> as I got it to google, but I have a very good tutorial in my home. Say if this is enough, or else I'll post that tonight or tommorow.

You can get very good tuning options if you compile the kernel from source, like turning on SMP support, selecting the processor type and fine tuning the configs, etc...

If you have any doubts, just post here and I will help you, as I have compiled kernels atleast 2 dozen times for custom systems, including one with SMP support.

nuwanguy 10-19-2003 11:05 PM

Great help ! Thank you very much UltimaGuy, Iíll definitely come back with some more questions !

UltimaGuy 10-20-2003 06:23 AM

This is what we are for, and I am very happy to be of a genuine help to someone in need.


verbal 10-20-2003 06:44 AM

Did This
Hey there...

I just did this exact same thing at work with the same hardware config. Had to prep a box to be used for serving the open source application Compiere.

The AS (in fact we tried all the enterprise OS's) simply recognized that the box was a dual processor and compiled in the SMP kernel on its own, we didn't have to interfere at all. In fact it set up GRUB with two boot options, one with SMP support and one without.

Oracle was more of tha Pain in the A$$... took more than a day to get running properly.


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