save energy with green it
TRANSCRIPT
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ByLily Tsai (ITSC)
27 Feb 2013
Save Energywith Green IT
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Background
GreenIT PersonalComputers
DataCentre
ITSCGreenAccomplishments
Q&A
Outline
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Background
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Atotalof1.1billioncomputers(PCs,laptops,smartphones)willbeshippedworldwidein2014.(Predictedby theAccountancyGroupDeloitte)
Estimated50
million
tons
of
ewaste
(including
computers)
are
generated
worldwideannually.
Computers
and
monitors represent
the SECOND
highest
power
consumptioninofficesafterlightings.
Facts
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Wheredoesewastego?
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EnergyusedduringthelifeofaPC
ProductionofonePCw/CRTmonitor
consumesaround1800KwhorUnit.
Averageannual
energy
used
perPCw/CRTmonitorinan
office isabout650kwhorUnit.
Around20%
of
computers
beingrecycledannually
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Takebackandrecyclingprograms(U.S.only)
reuse about 85% of thematerials that come back
Source
by
:
http://www.electronicstakeback.com/hold
manufacturers
accountable/recycling
report
card/
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HowtoapplyGREENITtoenergysavings
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ProcurementDecisions
PeoplesBehavior
PowerManagement
EnergySaving
Canbeachievedby3Ps:
ProcurementDecisions
PowerManagement
PeoplesBehavior
EnergySavings PersonalComputers
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Beforeyoubuy,thinktwice.
Buy EnergyStar orEPEAT rated. EPEATisthedefinitiveglobalregistryforgreenerelectronics. Ithelpstoidentify greenerComputersandotherelectronic
equipment.
Laptopsvs.desktops laptops saveatleasthalfoftheenergyoverall.
CRTmonitors
vs.
LCD
monitors
LCD
monitors
save
at
least
50%
more
energy.
Printers choosethetypeswithsleepmode/powersaving enabled.
RefertoITSCstendersforPCs,notebooks,andprintershttp://www.cuhk.edu.hk/itsc/mcas/hwsw/notebook.html
Follow GreenPurchasingGuidelinesoftheUniversityhttp://www.cuhk.edu.hk/cpso/go!/resources/green_purchasing_guidelines.pdf
ProcurementDecisions thefirstP
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AdjustbrightnessandcontrastsettingsonPCscreen.
UseSleepmodeifyoudontuseyourcomputerinanother15or20minutes.Computeruses2wattsorlessduring Sleepmode.
BothmonitorandPCcanenterthislowpowermodeautomaticallybyconfiguringPowerManagement(XP,Win7,Mac).
http://www.energystar.gov/index.cfm?c=power_mgt.pr_power_mgt_users
PowerManagement thesecondP
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Window7:Howtoactivatepowermanagement
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Window 7: How to activatepower management
1) Selectpowerplan balanced(recommended).Onlyturnoffmonitorafter15mins.
2) ClickChangePlansettings forcustomization
1) 2)
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Window7:Howtoactivatepowermanagement
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NOScreenSaver.
KEEPyourcomputersinserviceatleast3 5years;upgradetheminsteadof
buyinganew
one.
REUSEtheoldcomputersforlowendfunctionsorDONATEthem.
TURNOFF
the
monitor
if
you
aren't
going
to
use
your
PC
for
awhile.
Monitors
usuallyuse50to100wattswheninuse(higherthanthedesktopitself).
TURNOFFboththeCPUandmonitorifyou'renotgoingtouseyourPCformorethan2hours. AccordingtoEMSD(), eachcomputersaves
upto
$600HKD
per
year
if
it
is
switched
off
after
office
hours.
I use energy when I swim!
PeoplesBehavior thethirdP
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Usemultifunctionprinterinsteadofindividualmachinesforprinting,faxing,scanning,andcopying.
Use networkprinting.
Unplugprinters fromsocketoutletduringlongholidays.
Enlargeprintingmargins,reducefontsize,andprintonBOTHsides.
PeoplesBehavior forPrinting
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YourPCcanbewakenupevenifitisturnedOFF.
RemotelyaccessyourdesktopoutsideyourofficeWITHOUTleavingthePCpowerONovernight.
SetupWoL serverwithinthesameLocalAreaNetwork(subnet).
ITSCcansharetheknowledgewithdepartmentsaboutthesetup.
WakeonLANandRemoteDesktop
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GreenDataCentre
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Location:
WuHoManYuen(WMY)Building,7/F(wholefloor).
Size:
800m2
Objectives:
Increaseenergy
efficiency
Increase equipmentreliability(withrighttemperature) MinimumenvironmentalImpacts
Opening:
In2013
EnergySavings ITSCsGreenDataCentre
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TraditionalDataCentre
Likearefrigerator,
each
compartment
must
have
a
righttemperature.
MixinghotandcoldairinsideaDataCentrewill
REDUCEthecoolingefficiency. Energywillbewasted.
Thepicturehereshows
hotandcoldairmixinginsidea
DataCentre.
Hotairmustbecooleddownto
around20 25 Ctoavoid
overheatingtheservers.
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GreenDataCentre: Cold/HotAislesDesign
CRAC=ComputerRoomAirConditioning
WaterChiller
System
(for
cooling
the
hot
air)
Hotwater
Coldwate
r
Hotand
cold
air
can
be
separated
properly
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CRACunit
GreenDataCentre:ColdContainmentDesign
TemperatureINSIDEthecontainment
20 25 C
TemperatureOUTSIDEthecontainment
27Corabove
Researchrevealsthatcontainmenthelpstoreduceoverall
energyconsumption by
30%.
Containment
Hotair
Coldair
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HKIX(Hong
Kong
Internet
Exchange)
CampusNetwork
Servershosting
(Racked
servers/Blade
servers/
VM)
7x24supportwithITSCsoperators
UPS
(Uninterruptible
Power
Supply)
ensure
continuity
of
power
supply
DuPontFM200(environmentalresponsiblewaterlessfiresuppressant)
GreenDataCentre:ServicesandSettings
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AdvantagesofusingBladeServers:
REDUCEnumberofstandaloneserverswithindividualdevices
MuchSMALLER
in
size
and
high
density
REDUCEoverallpowerconsumption
Consumeapproximate20%LESSenergyperserver
REDUCEmanagementcost singleinterfacetomanageallbladeservers
SIMPLIFYnetworking,powercabling,storage,andmaintenance
HighAvailability
ease
with
setup.
BladeServersvs.TraditionalRackedServers
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AnexampleofBladeServers
BladeEnclosure
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Benefitsof
hosting
servers
at
ITSCs
Data
Centre
SAVEEnergyandCostinlongrun. Costcangodownfurtherifmoreserversarehosted.
Nospaceandoverheatingissues
Ateamofprofessionalpeoplebehind
Remotehands
and
eyes,
7days
aweek,
24
hours
aday
HighAvailability settingupanotherserverforstandbyisnotrequired
Flexibility(VM)
enlarge
RAM
size
or
hard
disk
size
at
any
time.
Continuityofpowersupply UPSandbatterybank
Secure Centralizedmanagement
GreenDataCentre: ServerHostingService
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Ituses
alot
of
resources
and
space
in
equipping
aserver
room
in
an
office.
EnergyconsumptionisHIGHduetopowersupplytoservers,monitors,airconditioners,UPS, CCTV,lightings,andwaterlessfiresuppressant.
AdditionalskilledITstaffingisrequired.
Provisionofa7x24ServiceLevelisdifficult.
Setupofadditionalserversforbackuporstandbyisrequired.
Emergencyandstandbypowersolutionsmustbeimplemented.
WhyusersshouldconsiderhostingtheirserversatITSC
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GreenAccomplishments
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1. UnifiedIPTelephony consolidatesthevoiceanddatanetworkandsaves
resources; phonewithDeepSleepoptionuseslessenergy(50%LESS)during
offhours.
2. CUSIS an
online
self
service
Student
Information
System
improves
administrativeefficiencyandreducesnumberofsupportedsystemsandoverall
paperconsumption.
3. eLearning
System
(Blackboard
Learn)
provides
adigital
platform
for
studentsandteacherstoshareclassmaterials,totakequizzes, todo
assessments,etc.
4. FIS
(Financial
Information
System)
manages
electronic
tender
documents,
fixedassetreports,andExpenditureApplication(EA). Significantreductionin
paperusageby45%.
OtherGREEN AccomplishmentsbyITSC
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5. DMS(DocumentManagementSystem) archivesdocumentsindigital
formatsavingspaceandpapers. AwardedthecertificateofMeritofICTin
2011.
6. VideoConferencing equipmentavailablefordepartments. Reduce
carbonfootprintsintravelingfromonesitetoanother.
7. eSurveySystem
8. eCardService
OtherGREEN AccomplishmentsbyITSC
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Q&
A