How storage devices works


Seven Design Considerations for a Green Data Centre

IT departments are under increasing3. Design a best practice floor plan
scrutiny and pressure to deliverAdopting an alternating hot aisle/cold
environmentally-sound solutions. Largeaisle layout is optimal and can correct
data centres are one of the mostmany cooling problems in a typical data
significant energy consumers in ancentre. By implementing a hot/cold aisle
organisation's IT infrastructure, so anylayout, equipment is spared from having
measures that you can take to reducehot air recirculated and thereby
this consumption (and therefore alsoeliminating risk of an outage through
carbon dioxide emissions) will have adevice failure. Also, by having a
positive impact on your organisation'scommon hot aisle, you have the ability
environmental footprint.to contain areas where heat density is
The construction and operation of ahigh, such as racks with blade servers,
green data centre involve advancedand deal with the heat in a specific
technologies and strategies, for examplemanner. This allows for multiple heat
- Reducing the power consumption of therejection methods to be in use within
data centreone data centre.
- Minimising the footprints of the4. Use appropriate technology
buildingsIn taking a green approach to your data
- Maximising cooling efficiencycentre, your evaluation of products is
- Using low-emission building materials,no longer just a price versus
carpets and paintsperformance comparison. It is important
- Installing catalytic converters onto incorporate the total costs of the
backup generatorsenvironment into the calculation, which
- Using alternative energy technologiesthen also includes costs for energy
such as photovoltaic electrical heatconsumption.
pumps and evaporative cooling5. Take a green perspective on ILM
The consumption of energy is consideredInformation Lifecycle Management (ILM)
the dominant - and often the only -is the optimum allocation of storage
factor in defining whether or not aresources that support a business. Every
facility is green. IT executiveselement of information in an
therefore need to start investigatingorganisation has a useful lifespan, and
alternative ways of buildingthis can range from a voice conversation
energy-efficient data centres.to certain legal and medical records. By
By following these seven simple steps,implementing an ILM strategy, you have
IT executives can come closer tothe ability to create greater
achieving their vision of a green dataefficiencies in data storage, which in
centre:turn lead to greater efficiencies in
Seven Simple Stepselements such as power consumption.
1. Think green6. Investigate liquid cooling
Environmental concerns are front of mindTo meet the challenges of blade servers
throughout society today, and you canand high-density computing, more
also take a 'green' attitude towardsorganisations are realising the need for
your data centre, both in terms ofeffective cooling and heat management
current state and also future planning.solutions. Many are welcoming liquid
Also, many data centre vendors andcooling systems into their
service providers are providing greeninfrastructures to achieve better
alternatives - factor these options incooling efficiency, while others may
when negotiating new contracts andfind it difficult to fathom pipes of
planning upgrades.running water snaking through the
Incorporate the green vision in yourplenums of their data centres.
planning - your future will be impacted7. Utilize greener energy sources
by legislation, standards and marketMany energy utilities are now offering
demands in this area.greener options for customers, with
2. Virtualise and consolidatepower from sustainable sources. For
A virtualisation and consolidationexample, in the United States, the U.S.
project is often a step in the rightEnvironmental Protection Agency (EPA)
direction towards green computing.has formed the Green Power Partnership,
Research indicates that a server oftenwhich encourages and assists
only utilises between 5 and 15% of itsorganizations to buy green power and
capacity to service one application.reduce their impact on the environment.
With appropriate analysis andMajor economies in Asia have accepted
consolidation, many of these lowthe Kyoto Protocol to control carbon
utilisation devices can be combined intoemission however only Japan has
a single physical server, consuming onlycommitted to a reduction by 2012. The
a fraction of the power of the originalawareness on social responsibility and
devices and saving on costs, as well asopportunity to save operational cost has
taking a step towards a moreraised the bar on awareness and
environmentally-friendly data centrewillingness to adopt a more green
environment.approach towards utilities.



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