All Posts Tagged With: "21st Century Data Centre"
Our atmosphere (the air around us) is made up of gasses consisting of nitrogen (78%), oxygen (21%), carbon dioxide (0.3%) and water in the form of vapor (humidity). The amount of water in the atmosphere is measured as a Relative Humidity (RH)
Data Center air should contain the proper amount of water vapor to maximize the availability [...]
The London Financial Times published an interesting article about data center cooling. Written by fellow blgger Dan Ilet of Greenbang.com it focuses on the strain being put on data centers by increased numbers and power demand of servers and the rapid increase in the cost of electricity.
Its often amusing what journalists pick up in a [...]
When was the last time you saw a Data Center press release that didn’t make some green or energy efficiency claim? I guess because data centers are such huge energy hogs vendors must worry that building a new one will raise the hackles of the environmentalists. Nevertheless PR agencies should really stop dressing up stories [...]
Continue ReadingMet up with a really nice chap for a Starbucks today, Dan Ilett who is a journalist (for the Financial Times) and a friend of Ewan MacLeod who runs SMS Text News.
Dan runs a great blog called Greenbang. Greenbang is all about green issues, not just green IT issues. Dan wanted to get some information [...]
I have just been exchanging emails with my good friend and colleague, Will Forest. Will runs the Data Center Consulting Practice for top drawer strategy consultants, McKinsey & Company. I engaged Will, and we worked together on delivering BT’s Data Center Strategy. Will and his team brought a great deal of experience and clarity of [...]
Continue ReadingI have had a great interchange from a subscriber to The Hot Aisle:- Darek Wichniewicz of ATM SA in Warsaw, Poland. Darek is looking for some real technical advice on building a new Data Center facility of 2000 - 3000 square meters utilizing fresh air cooling. Like many Data Center operators Darek is concerned about being [...]
Continue ReadingDC Power in Data Centres
The discussions amongst Data Centre specialist about the relative benefits of AC and DC are by far the most heated. In my opinion these are mainly driven by the technology that the protagonists are most comfortable with. The 20th Century Data Centre guys are all into AC, it is [...]
Continue ReadingCooling for Free (Almost)
Fresh air cooled data centres simply draw fresh air from outside (via filters) and pump it under the plenum floor rather than the refrigerated and recycled air that is used in 20th Century Data Centres (see picture above). This approach can reduce the energy required to cool a site by 80% [...]
Continue ReadingInterview with Haroon Malik
Malik - Do you think that, as yet, many businesses have a sufficient understanding of the importance of the human aspect of IT within the data centre? ie writing policies, managing infrastructure, making mistakes etc…
O’Donnell - It may be a bit unkind to some of my colleagues but my experience shows that [...]
Where does all the power go?
Electrical power generally originates from a machine that turns water into steam to turn turbines (or HEP, Gas Turbine) - in all cases some form of original energy is used to drive a generator set. Typical coal, nuclear or oil fired power stations generate steam to drive the generators. [...]
Continue ReadingSteve O’Donnell runs IT for the largest global credit, debit, gift and prepay card processing business. Prior to this he was Global Head of Data Centres at BT running the largest data centre estate in Europe. He has a worldwide reputation as a thought leader in Green IT having won three industry awards for his [...]
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