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Doug emailed me about a topic he’s been talking about in terms of the size of your data center, and he mentioned that a small data center isn’t necessarily a more efficient one dependent on the amount of power used.

A great topic, I suppose it will depend on your business, we should be measuring the data center by power used, and couple that with value/revenue derived, when looking at the application/server level.

• We should be looking at how much power we are using, and how much the systems actually need.
• What changes to power supplies, air flow and even the server or application can be made to improve our situation.
• Simple things like virtualization, reducing the number of redundant power supplies or servers can reduce your costs and deliver the same value.

Ideally we would calculate our IT center efficiency  and not just focus on the data center, that might illustrate what changes need to be made to process, to technology, business and application to achieve more with less, an illustration below:

Power + Investment + Support costs

IT efficiency =  Revenue generated from IT

The challenge is, that I am not sure if organizations could calculate many of the values above. Oh I can tell you we spend £3 million a year on the data center, that the IT budget is £24 million, but the per transaction cost per application/per trade, the overall revenue earnt as a result of IT?

It’s a debate that’s set to continue.

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