By Sergio Ferreira / Published on Mon, 2010-02-22 17:19
This analysis builds on the previously released Qualitative Analysis of Power Distribution Configurations For Data Centres. It takes a quantitative look at one aspect of the previous paper: efficiency.
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By Sergio Ferreira / Published on Mon, 2010-02-22 17:08
This paper is courtesy of The Green Grid - Get connected to Efficient IT.
Many different power distribution configurations exist today that can be used to power a data centre. Each of these configurations has its own advantages and disadvantages, which can have a major impact on all aspects of the facility.
This paper discusses the qualitative differences between seven possible configurations that can either be found in the United States or Canada today, or could be used in the future.
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By Sergio Ferreira / Published on Tue, 2009-05-05 08:37
This is an update to the very first white paper published by the Green Grid in February 2007 called “Green Grid Metrics: Describing Data Center Power Efficiency” to refine the nomenclature and intent of that paper. In that paper, The Green Grid proposed the use of Power Usage Effectiveness (PUE) and its reciprocal, Datacenter Efficiency (DCE) metrics, which enable datacenter operators to quickly estimate the energy efficiency of their datacenters, compare the results against other datacenters, and determine if any energy efficiency improvements need to be made.
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Data Centres
By Sergio Ferreira / Published on Fri, 2009-04-17 10:21
Data centres are a fundamental element of the digital society we live in today. These can be called “critical infrastructure” both because many systems and functions in society depend on them and because they have a noteworthy share of our energy consumption, as well as a significant savings potential.
The objective of this microsite is to gather and allow easy access to solutions for improving data centres energy efficiency without compromising reliability.
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By Sergio Ferreira / Published on Wed, 2009-03-18 11:48
This Paper Courtesy: The Green Grid - Get connected to Efficient IT
Previously, The Green Grid published a white paper entitled “The Green Grid Metrics: Describing Data Center Power Efficiency”. The white paper discussed the need for a finite number of industry-accepted metrics that describe the effectiveness and efficiency of data centers around the world. The white paper also provided an overview of a proposed metric called the “Data Center infrastructure Efficiency” (DCiE).
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By Sergio Ferreira / Published on Wed, 2009-02-04 11:29
The Green Grid is an association of IT professionals seeking to raise the energy efficiency of datacenters through a series of short-term and longterm proposals. For the short term, The Green Grid is proposing the use of Power Usage Effectiveness (PUE) and Datacenter Efficiency (DCE) metrics, which enable datacenter operators to quickly estimate the energy efficiency of their datacenters, compare the results against other datacenters, and determine if any energy efficiency improvements need to be made.
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By Sergio Ferreira / Published on Wed, 2008-12-10 14:27
This Paper Courtesy: The Green Grid - Get connected to Efficient IT
A significant reduction in energy usage can be made by moving away from a mindset that all servers have to be powered on at all times regardless of use, to one where a service is always available regardless of server state. With use of the commonly available tools, server energy consumption can be reduced without impacting ongoing operations, capital budgets or system reliability.
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By Sergio Ferreira / Published on Thu, 2008-12-04 11:46
The European Commission has made public a voluntary Code of Conduct for operating an energy efficient data centre. The package includes guidelines, recommendations and an inventory of good practices that could reduce energy usage by up to 20%.
Data Centres have consumed an estimated 56 TWh in Western Europe during 2007 - comparable to the electricity production of Greece (EuroStat Data 2004). This amount is projected to increase to 104 TWh per year by 2020 if no actions are taken.
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By Sergio Ferreira / Published on Thu, 2008-06-05 12:26
DataCenter Link aims to be a refresher seminar on new technologies applied to data centre infrastructures.
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By Angelo Baggini / Published on Thu, 2008-03-20 18:50
This report presents the interim results of the international project Efficient Servers which is conducted within the EU programme Intelligent Energy Europe.
The project’s central objective is to support the market development for energy efficient servers thereby exploiting energy and cost saving potentials. In the first project phase, the European market for servers, the server energy consumption and energy saving potentials were analysed.
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By Hans De Keulenaer / Published on Mon, 2008-01-07 16:06
By Mark Stephens, EPRI
Power Quality in Internet Data Centers
The building of Internet data centers (IDCs) is a growing industry that is pushing the limits of electric power and reliability requirements. As utilities must decide whether it is worth the cost to build new infrastructure to keep up with the present demand, facility operators are looking at power distribution designs that will improve efficiency and allow them to continue to expand their operations.
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By Hans De Keulenaer / Published on Fri, 2007-09-21 11:18
Different techniques can be used for on-site power generation in data centers, which can eliminate dependence on grid power or be used for backup power in situations where the grid power is expensive or unreliable. On-site power production is most commonly achieved via diesel generators, as illustrated in both Figure 2 and Figure 3 [5], [8], but alternative sustainable technologies, delivering significant advantages in terms of reduced emissions, reduced noise levels and reduced fuel dependency are already available and could be of interest to data centers as well.
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By Hans De Keulenaer / Published on Fri, 2007-09-21 11:01
The previous information age has spurred a tremendous growth in telecommunication in order to propagate, debatably, the single most important commercial resource of our time: information. In the current intangible economy age the focus has shifted to not only propagating, but also capturing this valuable resource and making it accessible around the clock in a reliable manner. Hence came forth the data center, also referred to as a server farm or, when dedicated to providing Internet-related content, an Internet Data Center (IDC).
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By Bruno De Wachter / Published on Tue, 2007-06-12 07:30
IBM aims at 42% energy savings in data centres
Total Cost of Ownership (TCO) is a well-recognised concept in industrial buying centres. The TCO often reveals that the energy consumption cost over the lifetime of an appliance is of the same order of magnitude as its purchasing price. Even private citizens purchasing consumer goods are becoming more fully aware that it can be worth paying more for a piece of equipment if the extra cost is recovered by energy savings. Energy consumption has become a decisive argument when buying appliances, lighting equipment or a new car, among other things, but how many buyers consider energy efficiency when purchasing a computer?
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By Bruno De Wachter / Published on Wed, 2006-12-06 08:30
A meltdown threatens by 2010
Data centres have reached a crossroad in terms of energy consumption. Up to now, the primary concern of data centres was to satisfy unrelenting IT demands by increasing processing power. Servers with higher density are being installed, taking less space while offering an increased transaction power. But those servers also consume more electrical power.
According to the Power and Cooling Survey 2006, a report by the Data Centre Practice at analyst BroadGroup, the rising energy costs will jeopardise the operational viability of the UK data centres by 2010. The report expects the energy cost of the average UK data centre to double between 2006 and 2010.
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By Antoni Klajn / Published on Sun, 2006-01-01 01:00
Many industrial and commercial consumers require higher power quality than that available directly from the supply network. Improving the performance of the network is both difficult and expensive, so it is left to the consumer to take action to mitigate the effects of poor power quality.
There is no single solution. The most appropriate solution will be determined by the power level involved, the quality and reliability level required, the quality and reliability of the incoming power, geographical location and cost.
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