[CLUE-Tech] Adding A Second Processor

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Chris,

Redhat usually ships with an SMP and a uniprocessor kernel. If you perform a new install on a dual processor box, Redhat installs both kernels and creates a LILO boot menu with both options.

If you add the second processor later, you can always try to install the SMP kernel from the image directory. Better still... rebuild the kernel.

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On Wed, 20 Feb 2002 22:09:43 -0700
"Chris K. Chew" <chris at fenetics.com> wrote:

> Hello.
> 
> I am about to add a second processor to my machine.  I have compiled several
> applications on it since installation (redhat 7.2), but have not yet
> recompiled the kernel.  These applications include:
> 
> bind
> openssl
> apache
> php
> mysql
> qmail
> gd
> freetype
> ssh
> 
> I imagine that the second proc will not be used until after I recompile the
> kernel with SMP support, given that RedHat ships with an straight kernel and
> an SMP kernel and selects the appropriate one during install.  I only have
> the straight kernel installed and am missing the 2.4.10SMP kernel.
> 
> Should I expect any problems with the software after I add the second
> processor and recompile the kernel?  Should I expect the second processor to
> be used before I recompile the kernel?  Will the kernel handle the use of
> both, or do I need to recompile each application before they can make use of
> the two processors?
> 
> Thanks,
> 
> Chris
> 
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