Enterprise Kernel Question

Anthony Porcano aporcano at kaplan.com
Fri Oct 17 13:15:01 CDT 2003


I'll sure give it a shot.   :)

Thanks,
 Anthony

_______________________
Anthony Porcano
Systems Engineer, Kaplan IOPS
aporcano at kaplan.com


> From: "Les Niles" <lniles at Narus.com>
> Date: Fri, 17 Oct 2003 11:10:32 -0700
> To: "'Anthony Porcano'" <aporcano at kaplan.com>
> Cc: "Poweredge" <linux-poweredge at dell.com>
> Subject: RE: Enterprise Kernel Question
> 
> maxcpus=1 is probably a better choice.  I wouldn't blame
> the kernel for panicing with maxcpus=0.
> 
> -les  lniles at narus.com
> 
>> -----Original Message-----
>> From: Anthony Porcano [mailto:aporcano at kaplan.com]
>> Sent: Friday, October 17, 2003 10:14 AM
>> To: arjanv at redhat.com; Matt Domsch
>> Cc: Poweredge
>> Subject: Re: Enterprise Kernel Question
>> 
>> 
>> Ok...having some problems with getting SMP disabled.
>> 
>> I have tried 'nosmp', 'nosmp=1', and 'maxcpus=0' on the
>> kernel command line
>> (grub.conf), and all cause kernel panics.
>> 
>> The kernel version is 2.4.9-e.25smp (RHEL 2.1AS), and the server is a
>> PE1750. Ultimately we are trying to get the e.25enterprise
>> kernel to load
>> and use the 'nosmp' option there, but we were trying the
>> options out on what
>> we were currently running since we are having general issues
>> loading the
>> e.25enterprise kernel (without any special options).
>> 
>> If anyone could shed some light on these issues it would be greatly
>> appreciated. 
>> 
>> Thanks everyone.
>> 
>>   --Anthony
>> 
>> _______________________
>> Anthony Porcano
>> Systems Engineer, Kaplan IOPS
>> aporcano at kaplan.com
>> 
>> 
>>> From: "Arjan van de Ven" <arjanv at redhat.com>
>>> Organization: Red Hat, Inc.
>>> Reply-To: <arjanv at redhat.com>
>>> Date: Wed, 15 Oct 2003 09:50:24 +0200
>>> To: "Matt Domsch" <Matt_Domsch at dell.com>
>>> Cc: "Anthony Porcano" <aporcano at kaplan.com>, "Poweredge"
>>> <linux-poweredge at dell.com>
>>> Subject: Re: Enterprise Kernel Question
>>> 
>>> On Tue, 2003-10-14 at 22:51, Matt Domsch wrote:
>>>>> Does anyone know if it is problematic to run a non-smp
>> enterprise kernel on
>>>>> a dual processor server? Goal here is to disable one cpu
>> in the box for
>>>>> licensing reasons. Any help on this is greatly appreciated.
>>>> 
>>>> It's fine, we do it all the time in testing.  You may wish
>> to specify
>>>> 'apic' on the kernel command line to get the benefit of
>> better interrupt
>>>> routing than you would otherwise get with the uniprocessor kernel.
>>> 
>>> ehm.... that option doesn't exist actually
>>> 




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