[Beowulf] first cluster

Christopher Samuel samuel at unimelb.edu.au
Mon Jul 12 21:21:26 EDT 2010


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On 13/07/10 05:02, Gus Correa wrote:

> I wonder if swapping over NFS would be efficient for HPC.

There are out of tree patches for swap over NFS (and I've
seen assertions that SuSE SLES 11 includes it) which has
been doing the rounds for a few years now (originally by
Peter Zijlstra but now maintained by Suresh Jayaraman)
and appears to have last been updated October 2009.

 http://www.suse.de/~sjayaraman/patches/swap-over-nfs/

The last post (I could find) for it was here, it includes
a diffstat to show which parts of the kernel are touched:

 http://lwn.net/Articles/355350/

This posting of Peter's from 2007 explains a bit more
about the patches and why it is a hard problem:

 http://lwn.net/Articles/256462/

My personal feeling is "here be dragons". ;-)

cheers,
Chris
- -- 
 Christopher Samuel - Senior Systems Administrator
 VLSCI - Victorian Life Sciences Computational Initiative
 Email: samuel at unimelb.edu.au Phone: +61 (0)3 903 55545
         http://www.vlsci.unimelb.edu.au/

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