[196256] in North American Network Operators' Group
Re: Temp at Level 3 data centers
daemon@ATHENA.MIT.EDU (Chris Adams)
Sat Oct 14 07:33:01 2017
X-Original-To: nanog@nanog.org
Date: Fri, 13 Oct 2017 12:51:50 -0500
From: Chris Adams <cma@cmadams.net>
To: nanog@nanog.org
Mail-Followup-To: nanog@nanog.org
In-Reply-To: <23008.61548.455557.832275@gargle.gargle.HOWL>
Errors-To: nanog-bounces@nanog.org
Once upon a time, bzs@theworld.com <bzs@theworld.com> said:
> Also, the IBM 3090 at least, was cooled via helium-filled pipes kind
> of like today's liquid cooled systems. It was full of plumbing. If you
> opened it up some chips were right on copper junction boxes (maybe
> they were just sensors but it looked cool.)
Cray supercomputers had Freon lines through them for cooling, up until
the last generation of the "old school" supercomputer. That was not
sufficient to keep it cool, so they sealed the chassis (which was huge)
and pumped it full of 4 tons of Fluorinert.
--
Chris Adams <cma@cmadams.net>
