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Date: Thu, 23 Nov 2006 07:57:27 +0100
From: Marko Kobal <marko.kobal@arctur.si>
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Cc: freebsd-questions@freebsd.org
Subject: Re: additional processor in IBM xSeries /ii
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Hi,

>> I have an IBM xSeries 225 with two-processor motherboard, 
>> currently with only one Intel Xeon 2.4 GHz. OS is 6.1p10, 
>> otherwise is this an apache22-mysql50-php5 web server.
>>
>> I would like to add an additional, second Intel Xeon 2.4 GHz. 
>> Do I have to change anything in OS, kernel, etc, before this 
>> step or can I just plug in the additional proc and thats it?
>>
>> --
>> Kind regards, Marko Kobal.
>> _______________________________________________
> 
> Recompile Kernel with SMP option (check /usr/src/sys/i386/conf/SMP) 

OK, so I recompile kernel with:

# To make an SMP kernel, the next line is needed
options 	SMP			# Symmetric MultiProcessor Kernel

And this will not affect (after reboot) on how system will behave BEFORE I actualy plug in another processor?

Are there any other options that may be added to optimize kernel for SMP?

-- 
Kind regards, Marko Kobal.