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editor’s note The heat is on
TALKS with a variety of power and cooling vendors at recent conferences and exhibitions reveal a growing trend that more and more of them are developing much smarter products and solutions to help data centre managers in their eternal quest for optimum energy efficiency. Whether or not the ICT folks manage to develop kit that requires less and less power, and less and less cooling, the fact remains that data centre managers have a diverse range of tools available to help them reduce their power and cooling bills.
The purpose of this DCS Special supplement is to showcase some of these, alongside the work being done by some of the industry’s independent organisations to develop industry-wide initiatives that can bring benefit to all in terms of improving the Power Usage Effectiveness (PUE) of a data centre. Mention of PUE might have some grinding their teeth in frustration, but used as a target, rather than an absolute, the measurement can be incredibly valuable. In simple terms, establishing the current PUE of your data centre should not be that difficult. Rather than beat yourself up that your PUE is not as good as everybody else’s, determine that you will reduce the PUE of your own data centre, and you are heading in the right direction.
Where nearly all data centre operators claim a PUE of near enough 1 (even though their data centre is just opened and has hardly any ICT kit inside, so is as inefficient as it is possible to be!), one data centre operator talked to recently was refreshingly honest in stating that the average PUE across his data centre estate was 1.9, and the company had a target to reduce this by something like 0.5 over the next 12 to 18 months.
Whatever one’s view on the best way to measure data centre efficiency, if you don’t know what’s available to help, then you’re not doing your job properly – so read on for some ideas that just might make your life easier, and your financial director a little bit happier!
Phil Alsop, Editor
contents
What’s Hot PC4 Power + Cooling news
EU launches initiative to increase use of renewable energy in data centres
New age of lower PUE ratings brings renewed focus to harmonics
PC6 Five Smart Best Practices for achieving optimal cooling performance and up to 60 percent energy savings in the
data centre Purely mechanical measures lead to dramatically improved cooling efficiency, relieved CRAC units and contribute to the significant reduction of power consumption
G4 Power
PC8 Measure, monitor and save Power monitoring should be a key requirement for all new data centre builds and refits, but how is it best achieved and what elements should be considered when choosing suitable equipment?
PC10 New age of lower PUE ratings brings renewed industry focus to harmonics Careful analysis must be made to find the optimal balance of harmonic currents and efficiency in the data centre
PC12 Indirect evaporative data centre
cooling testing - an expert insight To increase market competitiveness a growing number of data centre operators are opting for indirect evaporative cooling (IEC) and the significant savings the solution brings. To ensure the operational efficiency and a smarter energy approach, it makes good business sense to witness an IEC solution go through its paces over a range of climate conditions in a purpose built data centre test facility prior to site deployment.
PC14 Improving energy efficiency in the data centre
Energy efficiency in the data centre used to be an afterthought, if it was on the radar at all.
Munters Green Grid Daxten
tripplite Winter 2013 I
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