save energy with green it

7/29/2019 Save Energy with Green IT

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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

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