[Beowulf] HPC fault tolerance using virtualization

John Hearns hearnsj at googlemail.com
Tue Jun 16 09:23:31 PDT 2009

2009/6/16 Egan Ford <egan at sense.net>

> I have no idea the state of VMs on IB.  That can be an issue with MPI.
> Believe it or not, but most HPC sites do not use MPI.  They are all batch
> systems where storage I/O is the bottleneck.

Burn the Witch! Burn the Witch!

Any HPC installation, if you want to show it off to alumni, august
committees from grant awarding bodies etc.  and not get sand kicked in your
face from the big boys in the Top 500 NEEDS an expensive infrastructure of
various MPI libraries. Big, big switches with lots of flashing lights.
Highly paid, pampered systems admins who must be treated like expensive
racehorses, and not exercised too much every day. They need cool beers on
tap and luxurious offices to relax in while they prepare to do that vital
half hours work per day which keeps your Supercomputer flashing away and
making noises.
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