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Re: [datacenter] peak capacity planning for power vs. cooling
On Wed, 15 Jan 2003, Ofer Inbar wrote:
> Is this a reasonable statement to make:
>
> When planning power capacity for a machine room, you need to base it
> on the peak power consumption of the machines, usually when they are
> powering up / booting, because it is possible that they will all power
> up simulataneously. However, when planning cooling, you can plan
> based on average load, with some headroom, because even if everything
> will be at peak heat output simultaneously, it will be a brief event,
> and cooling averages out naturally over time.
For technical purposes, I'd say plan is based on the watts-per-square-foot
number.
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