rack power question
Sean Donelan
sean at donelan.com
Sun Mar 23 02:54:15 UTC 2008
On Sat, 22 Mar 2008, Patrick Giagnocavo wrote:
> Would someone pay extra for > 7KW in a rack? What would be the maximum you
> could ever see yourself needing in order to power all 42U ?
As you recognize, its not an engineering question; its an economic
question. Notice how Google's space/power philosphy changed between
leveraging other people's space/power, and now that they own their own
space/power.
Existing equipment could exceed 20kW in a rack, and some folks are
planning for equipment exceeding 30kW in a rack.
But things get more interesting when you look at the total economics
of a data center. 8kW/rack is the new "average," but that includes
a lot of assumptions. If someone else is paying, I want it and more.
If I'm paying for it, I discover I can get by with less.
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