Re: kickstart installs UP kernel on SMP machines

[Rick Stevens <rstevens vitalstream com>]

Tim Currie wrote:
> > Rick Stevens wrote:
> >
> >
> > > Tim Currie wrote:
> > >
> > >
> > > > Hi!
> > > > I've gotten my cluster of 32 Dell machines up and running finally,
> > > > but one of the scientists pointed out to me today that the stupid
> > > > things are all running kernel-2.4.20-20.9, not
> > > > kernel-smp-2.4.20-20.9. I installed the correct kernel (and learned
> > > > the hard way that, much like the human apendix, the grub.conf file in
> > > > /etc doesn't do anything-- the one in /boot/grub is the real one)
> > > > and  restarted and now all my dual-CPU machines show four CPUs (thank
> > > > you,  Intel, for hyperthreading: the most useless marketing ploy
> > > > since  white-walled tires). Why would the kickstart process install
> > > > the  wrong kernel? Is that a ks.cfg option? and if so, why?!?
> > >
> > >
> > > I've never seen a UP kernel install on an SMP machine unless something
> > > was preventing the configurator from seeing the second CPU--and I've
> > > installed LOTS of SMP machines.
> > >
> > > Remember, "uname -r" is your friend, as is "cat /proc/cpuinfo".
> >
> > Well, I installed 32 (at once!) and they all got the UP kernel. I must
> > be doing something wrong. I'll have to look it over again before I do
> > the next 32.
> >
> > -Tim
>
> And speaking of uname -r...
> Before...
> [root llgrid01head root]# doall "uname -a"
> llgrid01node01: Linux llgrid01node01 2.4.20-20.9 #1 Mon Aug 18 11:37:49
> EDT 2003
>
> llgrid01node02: Linux llgrid01node02 2.4.20-20.9 #1 Mon Aug 18 11:37:49
> EDT 2003
>
> llgrid01node03: Linux llgrid01node03 2.4.20-20.9 #1 Mon Aug 18 11:37:49
> EDT 2003
>
> ..
> ..
> ..
>
> llgrid01node29: Linux llgrid01node29 2.4.20-20.9 #1 Mon Aug 18 11:37:49
> EDT 2003
>
> llgrid01node30: Linux llgrid01node30 2.4.20-20.9 #1 Mon Aug 18 11:37:49
> EDT 2003
>
> llgrid01node31: Linux llgrid01node31 2.4.20-20.9 #1 Mon Aug 18 11:37:49
> EDT 2003
>
> llgrid01node32: Linux llgrid01node32 2.4.20-20.9 #1 Mon Aug 18 11:37:49
> EDT 2003
>
> After...
> [root llgrid01head root]# doall "uname -a"
> llgrid01node01: Linux llgrid01node01 2.4.20-20.9smp #1 SMP Mon Aug 18
> 11:32:15 EDT 2003 i686 i686 i386 GNU/Linux
>
> llgrid01node02: Linux llgrid01node02 2.4.20-20.9smp #1 SMP Mon Aug 18
> 11:32:15 EDT 2003 i686 i686 i386 GNU/Linux
>
> llgrid01node03: Linux llgrid01node03 2.4.20-20.9smp #1 SMP Mon Aug 18
> 11:32:15 EDT 2003 i686 i686 i386 GNU/Linux
>
> ..
> ..
> ..
>
> llgrid01node29: Linux llgrid01node29 2.4.20-20.9smp #1 SMP Mon Aug 18
> 11:32:15 EDT 2003 i686 i686 i386 GNU/Linux
>
> llgrid01node30: Linux llgrid01node30 2.4.20-20.9smp #1 SMP Mon Aug 18
> 11:32:15 EDT 2003 i686 i686 i386 GNU/Linux
>
> llgrid01node31: Linux llgrid01node31 2.4.20-20.9smp #1 SMP Mon Aug 18
> 11:32:15 EDT 2003 i686 i686 i386 GNU/Linux
>
> llgrid01node32: Linux llgrid01node32 2.4.20-20.9smp #1 SMP Mon Aug 18
> 11:32:15 EDT 2003 i686 i686 i386 GNU/Linux

As HAL said in "2010", "I can't explain".  I don't know why UP kernels
got installed.  I've never run into that one.
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- Rick Stevens, Senior Systems Engineer     rstevens vitalstream com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-         Microsoft Windows:  Proof that P.T. Barnum was right       -
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