[Beowulf] Hypothetical Situation

Florent Calvayrac Florent.Calvayrac at univ-lemans.fr
Thu Jan 22 12:11:15 EST 2004


Brent M. Clements wrote:
> We have a request by some of our research scientists to form a beowulf
> cluster that provides the following abilities:
> 
> 1. It must be part of a shared computing facility controlled by a batch
> queuing system.
> 2. A normal user must be able to compile a customized kernel, then submit
> a job with a variable pointing to that kernel. The batch queuing system
> must then load that kernel onto the allocated nodes and reboot the nodes
> allocated.
> 2a. If the node doesn't come back up after rebooting, the job must be
> canceled and the node rebuilt automatically with a stable kernel/image.
> 3. When the job is finished, the node must be rebuilt automatically using
> a stable kernel/image.
> 
> The admin's here have come up with a name for this:  "user
> provisioned os imaging". Our gut feeling is that this can be done but it
> will be a highly customized system. What is everyone's thoughts,
> experiences, etc etc concerning doing something like this?
> 
>
with PXE and/or bproc, (two kernel monte) I see it easily.
If the node doesn"t come up, just send a magic packet
to reboot it and download another kernel.



-- 
Florent Calvayrac                          | Tel : 02 43 83 26 26
Laboratoire de Physique de l'Etat Condense | Fax : 02 43 83 35 18
UMR-CNRS 6087         | http://www.univ-lemans.fr/~fcalvay
Universite du Maine-Faculte des Sciences   |
72085 Le Mans Cedex 9

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