[Beowulf] SATA II - PXE+NFS - diskless compute nodes
eric-shook at uiowa.edu
Tue Dec 12 12:48:20 EST 2006
Excellent. Thanks for the info.
Michael Will wrote:
> The standard pxe server code had issues with larger amounts of clients
> wanting to boot at the same time. Some of them would time out and not
> make it. Donald Becker reimplemented the server side of it to solve the
> issues. I don't know anything more specific than that, but if you are
> interested I am sure he would not mind if you where to contact him
> -----Original Message-----
> From: Eric Shook [mailto:eric-shook at uiowa.edu]
> Sent: Tuesday, December 12, 2006 9:27 AM
> To: Michael Will
> Cc: Buccaneer for Hire.; beowulf at beowulf.org
> Subject: Re: [Beowulf] SATA II - PXE+NFS - diskless compute nodes
> This should be sufficient enough to run our software stack as they are
> tested on rhel 4 variants. I will most definitely look closer at scyld
> CW4 to see if it fits our needs.
> What does reimplementing pxe boot mean specifically?
> Michael Will wrote:
>> Scyld CW4 is based on RHEL4 and also supported on Centos 4. That does
>> not give you different operating systems though, just flexible
>> deployment of RHEL4 based HPC compute nodes.
>> Note that we had to reimplement the PXE boot part to allow reasonable
>> -----Original Message-----
>> From: beowulf-bounces at beowulf.org [mailto:beowulf-bounces at beowulf.org]
>> On Behalf Of Eric Shook
>> Sent: Saturday, December 09, 2006 11:28 AM
>> To: Buccaneer for Hire.
>> Cc: beowulf at beowulf.org
>> Subject: Re: [Beowulf] SATA II - PXE+NFS - diskless compute nodes
>> Not to diverge this conversation, but has anyone had any experience
>> using this pxe boot / nfs model with a rhel variant? I have been
>> wanting to do a nfs root or ramdisk model for some-time but our
>> software stack requires a rhel base so Scyld and Perceus most likely
>> will not work (although I am still looking into both of them to make
>> Thanks for any help,
>> Eric Shook
>> Buccaneer for Hire. wrote:
>>>> I agree with what Joe says about a few hundred nodes being the time
>>>> you would start to look closer at this approach.
>>> I have started to explore the possibility of using this technology
>> because I would really like to see us with the ability to change OSs
>> and OS Personalities as needed. The question I have is with 2000+
>> compute nodes what kind of infrastructure do I need to support this?
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> Eric Shook (319) 335-6714
> Technical Lead, Systems and Operations - GROW http://grow.uiowa.edu
Eric Shook (319) 335-6714
Technical Lead, Systems and Operations - GROW
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