[Beowulf] fast file copying

Greg Kurtzer gmkurtzer at gmail.com
Wed May 2 09:56:11 PDT 2007

I gave a talk where I referred to a "ring" boot mechanism for  
Warewulf using "Dolly".


Thinking back now, I don't remember you being at that talk, so you  
are probably thinking of something else. ;)

On Apr 30, 2007, at 11:35 AM, Geoff Galitz wrote:

> Hi folks,
> During an HPC talk some years ago, I recall someone mentioned a  
> tool which can copy large datasets across a cluster using a ring  
> topology.  Perhaps someone here knows of this tool?
> More to the point, we are pushing around datasets that are about  
> 1Gbyte.  The datasets are pushed out to dozens of nodes all at once  
> and we foresee saturating the I/O system on our cluster as we  
> grow.  We are limited to using just the available disks and are  
> looking for a reasonable solution that can support this kind of  
> simultaneous access.   Currently we push the data out using rsync,  
> but if I don't get any better ideas I may simply move to a pull  
> system where the data is fetched by HTTP.  I can get better  
> throttling that way, at least.
> -geoff
> Geoff Galitz
> geoff at galitz.org
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Greg Kurtzer

    I believe the world would be a better place if people didn't  
believe in their beliefs. -- gmk

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