[Beowulf] bring back 2012?
sdm900 at gmail.com
Mon Aug 22 09:21:31 PDT 2016
FWIW the direct contact solutions (wether they use water or some other
> dielectric fluid) as far as I can see have several main problems
> * complexity (all that plumbing and getting it to 8 phi's + 2 cpu's all
> crammed in 2RU)
> * nodes have to be modified after the come out of the factory
> * not all the components are cooled (ie. ram, disks etc) You still have
> to run some form of air cooling.
> I've only run direct contact cooling on a desktop style box and that was
> painful enough... let along on hundreds of servers in a rack etc. I can't
> see how they will be price competitive, given all the modifications that
> are needed to the systems (I've had pricing for a single rack system but
> never purchased one).
Extra, the direct contact cooling stuff must still have the fans in the
nodes to keep the dimms/disks/power supplies cool... thus use considerably
more power than nodes without fans.
Dr Stuart Midgley
sdm900 at sdm900.com
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