How storage devices works


Seven Design Considerations for a Green Data Centre

IT departments are under increasing scrutinyenvironmentally-friendly data centre
and pressure to deliver environmentally-soundenvironment.
solutions. Large data centres are one of the
most significant energy consumers in an3.  Design  a  best  practice  floor  plan
organisation's IT infrastructure, so any
measures that you can take to reduce thisAdopting an alternating hot aisle/cold aisle
consumption (and therefore also carbonlayout is optimal and can correct many
dioxide emissions) will have a positivecooling problems in a typical data centre. By
impact on your organisation's environmentalimplementing a hot/cold aisle layout,
footprint.equipment is spared from having hot air
recirculated and thereby eliminating risk of
The construction and operation of a greenan outage through device failure. Also, by
data centre involve advanced technologies andhaving a common hot aisle, you have the
strategies,  for  exampleability to contain areas where heat density
is high, such as racks with blade servers,
- Reducing the power consumption of the dataand deal with the heat in a specific manner.
centreThis allows for multiple heat rejection
methods  to be in use within one data centre.
-  Minimising the footprints of the buildings
4.  Use  appropriate  technology
-  Maximising  cooling  efficiency
In taking a green approach to your data
- Using low-emission building materials,centre, your evaluation of products is no
carpets  and  paintslonger just a price versus performance
comparison. It is important to incorporate
- Installing catalytic converters on backupthe total costs of the environment into the
generatorscalculation, which then also includes costs
for  energy  consumption.
- Using alternative energy technologies such
as photovoltaic electrical heat pumps and5.  Take  a  green  perspective  on  ILM
evaporative  cooling
Information Lifecycle Management (ILM) is the
The consumption of energy is considered theoptimum allocation of storage resources that
dominant - and often the only - factor insupport a business. Every element of
defining whether or not a facility is green.information in an organisation has a useful
IT executives therefore need to startlifespan, and this can range from a voice
investigating alternative ways of buildingconversation to certain legal and medical
energy-efficient  data  centres.records. By implementing an ILM strategy, you
have the ability to create greater
By following these seven simple steps, ITefficiencies in data storage, which in turn
executives can come closer to achieving theirlead to greater efficiencies in elements such
vision  of  a  green  data  centre:as  power  consumption.
Seven  Simple  Steps6.  Investigate  liquid  cooling
1.  Think  greenTo meet the challenges of blade servers and
high-density computing, more organisations
Environmental concerns are front of mindare realising the need for effective cooling
throughout society today, and you can alsoand heat management solutions. Many are
take a 'green' attitude towards your datawelcoming liquid cooling systems into their
centre, both in terms of current state andinfrastructures to achieve better cooling
also future planning. Also, many data centreefficiency, while others may find it
vendors and service providers are providingdifficult to fathom pipes of running water
green alternatives - factor these options insnaking through the plenums of their data
when negotiating new contracts and planningcentres.
upgrades.
7.  Utilize  greener  energy  sources
Incorporate the green vision in your planning
- your future will be impacted byMany energy utilities are now offering
legislation, standards and market demands ingreener options for customers, with power
this  area.from sustainable sources. For example, in the
United States, the U.S. Environmental
2.  Virtualise  and  consolidateProtection Agency (EPA) has formed the Green
Power Partnership, which encourages and
A virtualisation and consolidation project isassists organizations to buy green power and
often a step in the right direction towardsreduce their impact on the environment. Major
green computing. Research indicates that aeconomies in Asia have accepted the Kyoto
server often only utilises between 5 and 15%Protocol to control carbon emission however
of its capacity to service one application.only Japan has committed to a reduction by
With appropriate analysis and consolidation,2012. The awareness on social responsibility
many of these low utilisation devices can beand opportunity to save operational cost has
combined into a single physical server,raised the bar on awareness and willingness
consuming only a fraction of the power of theto adopt a more green approach towards
original devices and saving on costs, as wellutilities.
as taking a step towards a more



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