[Beowulf] Rear-door heat exchangers and condensation
lynesh at cardiff.ac.uk
Tue Dec 9 10:14:46 EST 2008
On Tue, 2008-12-09 at 14:52 +0000, John Hearns wrote:
> 2008/12/9 Kilian CAVALOTTI <kilian.cavalotti.work at gmail.com>
> Hi all,
> I'd be curious to know if some of you use or have some
> real-life experience
> with rear-door heat exchangers, such as those from SGI  or
> IBM .
> Killian, yes indeed. I manage both an SGI Altix with the rear-door
> heat exchangers, and an ICE cluster.
> We are lucky enough to have our own lake for a cooling pond. Grin.
> I think these are the cat's pyjamas - the SGI ones come in four
> horizontal 'stable doors' so you can swing one open for an extended
> amount of time to work on the rear of systems without overheating the
> whole rack.
How much cooling do you lose when opening the rack to do work on it?
Huw Lynes | Advanced Research Computing
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