[Beowulf] Re: Rear-door heat exchangers and condensation

Doug ONeal oneal at dbi.udel.edu
Fri Dec 12 08:30:31 PST 2008

On 12/11/2008 05:57 PM, Mark Hahn wrote:
>> Netshelter VX racks and the powered ventilation rear doors are not
>> sufficient any more.
> why do you have doors on your rack?  normally, a rack is filled with
> servers with fans that generate the standard front-to-back airflow.
> that means that you want no doors, or at least only high-perf mesh ones.

The rear doors are apc air removal units  with three 8" fans that vent the
hot air out the top of the unit.  It is possible to attach ducts to the
units to
vent the air out of the server room completely but my physical setup does
not allow for that.  There are no front doors on the racks.

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