[Beowulf] Rear-door heat exchangers and condensation

John Hearns hearnsj at googlemail.com
Tue Dec 9 06:52:03 PST 2008


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 [1] or IBM [2].
>
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.
They enable us to run machines in some reasonably small spaces, and have
been reliable.

Contact me off-list please for temperature notes.

John Hearns
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