On Nov 18, 2007 1:56 PM, Harold Norris <[log in to unmask]> wrote:
> Hi,
>
> Its very true that you lose out on RedHat's support for a recompiled
> kernel, but if you maintain the latest version of the kernel, you should
> get the latest fixes, whatever they may be.
>
> I personally have been using Redhat with my own kernel for about 10
> years or so (RedHat 5.2) and have never had a kernel related issue.  As
> far as performance goes, if you remove all of the unnecessary modules
> from the kernel, and build it to work with the hardware you have,  it
> will run faster because the available kernels are built to run on
> generic processors.  If you take a i386 kernel and run it on a Pentium
> 4, you lose out on all optimizations for the faster processor.

Well, you do not have to use the vanilla kernel to tweak it.  Rebuild
the redhat/SL kernel by configuring the kernel to your taste.  There
is a good step-by-step guide on the CentOS wiki:

http://wiki.centos.org/HowTos/Custom_Kernel

Yes, you still have to update/maintain the kernel yourself once you
customize it.  So, it's your call.

Akemi