[Beowulf] rear door heat exchangers

[Skylar Thompson]

On 2/1/2012 5:20 AM, Michael Di Domenico wrote:
> On Tue, Jan 31, 2012 at 5:23 PM,  <holway at th.physik.uni-frankfurt.de> wrote:
>> Hi,
>>
>> We have installed a lot of racks with rear door heat exchangers but these
>> are without fans instead using the in-server fans to push the air through
>> the element. We are doing this with ~20kW per rack.
>>
>> How the hell are you drinking 35kW in a rack?
> 
> start working with GPU's...  you'll find out real fast...

You don't even necessarily need GPUs --- our latest blade chassis suck
up 7500W in 7U going at full bore. It's pretty unpleasant standing
behind them, though.

-- 
-- Skylar Thompson (skylar.thompson at gmail.com)
-- http://www.cs.earlham.edu/~skylar/