[41173] in North American Network Operators' Group
Liquid cooling... (was RE: What is the limit? (was RE: multi-homi
daemon@ATHENA.MIT.EDU (James Smith)
Thu Aug 30 16:07:25 2001
Message-ID: <171DAAD54475984F8F41345A0945DF9C05A39B@hqexchange.presidio.com>
From: James Smith <jsmith@PRESIDIO.com>
To: Alex Rubenstein <alex@nac.net>
Cc: nanog@merit.edu
Date: Thu, 30 Aug 2001 16:06:33 -0400
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Actually, the fluid referenced in the URL (Fluorinert) is used to cool some
Crays. It is only manufactured by one maker, and only a few systems use it.
There are actual liquid cooled Cray parts in the NSA museum near Ft Meade.
Non-operational, of course, just like this post...
James H. Smith II NNCDS NNCSE
Systems Engineer
The Presidio Corporation
-----Original Message-----
From: Charles Sprickman [mailto:spork@inch.com]
Sent: Thursday, August 30, 2001 3:45 PM
To: Alex Rubenstein
Cc: Daniel Senie; nanog@merit.edu
Subject: Re: What is the limit? (was RE: multi-homing fixes)
On Wed, 29 Aug 2001, Alex Rubenstein wrote:
> I recall something about liquid (something, could be nitrogen, or perhaps
> even mercury) that was chilled; PC Boards were then submersed in the
> liquid to keep cool.
>
> Maybe on Crays?
Maybe in someone's garage? :)
http://www.octools.com/articles/submersion/submersion12.html
C
> -- Alex Rubenstein, AR97, K2AHR, alex@nac.net, latency, Al Reuben --
> -- Net Access Corporation, 800-NET-ME-36, http://www.nac.net --
>
>
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<P><FONT SIZE=3D2>Actually, the fluid referenced in the URL =
(Fluorinert) is used to cool some Crays. It is only manufactured by one =
maker, and only a few systems use it. There are actual liquid cooled =
Cray parts in the NSA museum near Ft Meade. Non-operational, of course, =
just like this post...</FONT></P>
<P><FONT SIZE=3D2>James H. Smith II NNCDS NNCSE</FONT>
<BR><FONT SIZE=3D2>Systems Engineer</FONT>
<BR><FONT SIZE=3D2>The Presidio Corporation</FONT>
</P>
<BR>
<P><FONT SIZE=3D2>-----Original Message-----</FONT>
<BR><FONT SIZE=3D2>From: Charles Sprickman [<A =
HREF=3D"mailto:spork@inch.com">mailto:spork@inch.com</A>]</FONT>
<BR><FONT SIZE=3D2>Sent: Thursday, August 30, 2001 3:45 PM</FONT>
<BR><FONT SIZE=3D2>To: Alex Rubenstein</FONT>
<BR><FONT SIZE=3D2>Cc: Daniel Senie; nanog@merit.edu</FONT>
<BR><FONT SIZE=3D2>Subject: Re: What is the limit? (was RE: =
multi-homing fixes)</FONT>
</P>
<BR>
<BR>
<P><FONT SIZE=3D2>On Wed, 29 Aug 2001, Alex Rubenstein wrote:</FONT>
</P>
<P><FONT SIZE=3D2>> I recall something about liquid (something, =
could be nitrogen, or perhaps</FONT>
<BR><FONT SIZE=3D2>> even mercury) that was chilled; PC Boards were =
then submersed in the</FONT>
<BR><FONT SIZE=3D2>> liquid to keep cool.</FONT>
<BR><FONT SIZE=3D2>></FONT>
<BR><FONT SIZE=3D2>> Maybe on Crays?</FONT>
</P>
<P><FONT SIZE=3D2>Maybe in someone's garage? :)</FONT>
</P>
<P><FONT SIZE=3D2><A =
HREF=3D"http://www.octools.com/articles/submersion/submersion12.html" =
TARGET=3D"_blank">http://www.octools.com/articles/submersion/submersion1=
2.html</A></FONT>
</P>
<P><FONT SIZE=3D2>C</FONT>
</P>
<P><FONT SIZE=3D2>> -- Alex Rubenstein, AR97, K2AHR, alex@nac.net, =
latency, Al Reuben --</FONT>
<BR><FONT SIZE=3D2>> -- Net Access Corporation, =
800-NET-ME-36, <A HREF=3D"http://www.nac.net" =
TARGET=3D"_blank">http://www.nac.net</A> --</FONT>
<BR><FONT SIZE=3D2>></FONT>
<BR><FONT SIZE=3D2>></FONT>
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