Green IT How to save money and help the environment with knowledge Presented By Matthew Bulat M.Eng.Tech MCSE MCDBA .

Green ITHow to save money and help the environment with knowledge

Presented By Matthew BulatM.Eng.Tech MCSE MCDBA

www.matthewb.id.au

Why Green IT?Why Green IT?

• Save MoneySave Money• Save energy Save energy • Save in coolingSave in cooling• Reduce long term hardware spendReduce long term hardware spend• Reduce carbon emissions Reduce carbon emissions • Save space in server room and Save space in server room and

desktopdesktop• Avoid infrastructure upgradesAvoid infrastructure upgrades

Who can do Green IT?Who can do Green IT?

• Anyone in control of a computer/s Anyone in control of a computer/s and related hardwareand related hardware

• System AdministratorsSystem Administrators• Equipment manufacturersEquipment manufacturers• Computer assemblersComputer assemblers• IT sales personnelIT sales personnel• IT project contract authorsIT project contract authors• Project ManagersProject Managers

Measure consumption to find out how Measure consumption to find out how much you save with efficiency changesmuch you save with efficiency changes

Single Power point meter ~ $40 Building power meter $100, 3 phase $150

Can I apply Green IT Can I apply Green IT now?now?

• YESYES• Turn on Screen and Hard disk power Turn on Screen and Hard disk power

managementmanagement• Turn on Sleep and / or Hibernation Turn on Sleep and / or Hibernation

managementmanagement• Shutdown computers at then end of Shutdown computers at then end of

each dayeach day• This saves approximately 60% on This saves approximately 60% on

powerpower

Compare same Laptop with Power Compare same Laptop with Power ManagementManagement

TimeTime Performance Performance (watts)(watts)

Power Saving on Power Saving on (watts)(watts)

Active Active OperationsOperations

4545 4444

5 minutes idle5 minutes idle 3131 3030

15 minutes 15 minutes idleidle

3131 2020

30 minutes 30 minutes idleidle

3131 1.51.5

AverageAverage 34.534.5 23.923.9Celeron 1.8 GHz laptop with Vista Basic. 44% power saving using settings only.

Virtualization Virtualization possibilitiespossibilities• 8 CPU server8 CPU server

• 48 GB RAM48 GB RAM• 40 Virtual Machines40 Virtual Machines• 700 Watts700 Watts

• SAN with 7.5 TBSAN with 7.5 TB• 840 Watts840 Watts

• 220 mm rack space220 mm rack space• 1540 Watts total1540 Watts total• ~ $93k in hardware~ $93k in hardware

Server with

Virtual Machines

StorageArea

Network

SAN holds shared virtual SAN holds shared virtual machinesmachines

• Fibre channel card in Fibre channel card in each server which each server which can work in can work in redundant pairsredundant pairs

• Full bandwidth fibre Full bandwidth fibre switch 400 MB/sswitch 400 MB/s

• Models up to 900 TBModels up to 900 TB• Can be extended by Can be extended by

adding Disk adding Disk Enclosures without Enclosures without powering offpowering off

Servers

FibreSwitch

StorageArea

Network

Virtual ComputingVirtual Computing

CompanyCompany Servers Servers BeforeBefore

Servers AfterServers After

Tourism AustTourism Aust 7070 3535

Stirling Stirling Council WACouncil WA

5454 77

Brisbane Brisbane CouncilCouncil

8585 2020

OricaOrica 4040 1010

Townsville Townsville Council (old)Council (old)

100100 5353

Blade ComputingBlade Computing• Cheaper than individual servers in bulkCheaper than individual servers in bulk• Redundancies built inRedundancies built in• Saves spaceSaves space• Can be used for virtual servers and /or support thin Can be used for virtual servers and /or support thin

clientsclients• E.g. 8 blades with 2 x quad processors == 64 E.g. 8 blades with 2 x quad processors == 64

CPU’sCPU’s8 blade enclosure 264mm tall (6 RU) Dual processor blade with 2 disks

V MotionV Motion

Distributed Resource Distributed Resource SchedulerScheduler

Move virtual machines and shut off physical server when resource needs are low

Automatically save 40% more power by having server switch off at night and weekends

Green ChoicesGreen Choices• Turn on Power ManagementTurn on Power Management• Set screensavers to NoneSet screensavers to None• Buy Energy Star rated computersBuy Energy Star rated computers• Use laptops instead of desktops as Use laptops instead of desktops as

they typically use less powerthey typically use less power• Turn off peripherals when not in useTurn off peripherals when not in use• Turn off power at power point to Turn off power at power point to

stop phantom / standby loadsstop phantom / standby loads• Close unused applications Close unused applications • Turn off monitor when not in useTurn off monitor when not in use• Measure your power consumptionMeasure your power consumption

Peripherals ControlPeripherals Control• USB controlled power board (~$40)USB controlled power board (~$40)• When computer turns on USB turns on power When computer turns on USB turns on power

pointspoints• This can power monitor, printer, speakers, This can power monitor, printer, speakers,

scanner, external USB storage etc.scanner, external USB storage etc.• Peripheral power consumption when Peripheral power consumption when

computer off ZEROcomputer off ZERO

Power Supplies (80 Power Supplies (80 PLUS)PLUS)

• The best power supplies now are up to The best power supplies now are up to 88% efficient88% efficient

• This means less waste heat from This means less waste heat from computerscomputers

• Saving up to 28% PC use of electricity Saving up to 28% PC use of electricity • Less maintenance calls related to heat Less maintenance calls related to heat

issuesissues• Save 30% of related cooling costsSave 30% of related cooling costs• Better power factor saves you even moreBetter power factor saves you even more

~ 60% efficient power supply

More heat into computer

Higher power consumption

~ 80% efficient power supply

Less power in

Less heat

Less cooling needed

85% efficient power supplies available

Power Supply Comparison

$0.00

$100.00

$200.00

$300.00

$400.00

$500.00

$600.00

$700.00

$800.00

0 2000

4000

6000

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14000

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20000

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28000

30000

Hours

Do

llars

to

ru

n

Normal Power Supply

80 Plus Power Supply

Efficiency based on previous slide.

Greater savings for larger load computers.

Return on investment less than 1 year.

Thin Client ExampleThin Client Example• Run 26-42 thin clients Run 26-42 thin clients

per 4 CPU server per 4 CPU server • Full multimedia thin Full multimedia thin

clients available clients available • Can use wireless, Can use wireless,

Ethernet, modem or Ethernet, modem or 3G card for connection3G card for connection

• Can also be used for Can also be used for VOIP telephonyVOIP telephony

• Consume ~ 11 watts Consume ~ 11 watts eacheach

• No replacement cycleNo replacement cycle• ~ 25 kb/s average ~ 25 kb/s average

bandwidthbandwidth

PC versus Thin Client PC versus Thin Client power usepower use

Energy Star RatingEnergy Star Rating 4.0 4.0

ComputerComputer IdleIdle SleepSleep StandbyStandby

DesktopDesktop < 50 < 50 WattsWatts

< 4 Watts< 4 Watts < 2 Watts< 2 Watts

NotebookNotebook < 14 < 14 WattsWatts

< 1.7 < 1.7 WattsWatts

< 1 Watt< 1 Watt

Component Selection Guidance

Power supply with 80% minimum efficiency at 20%, 50% and 100% load

Display in sleep mode in 15 minutes or less when idle

Processor in sleep mode in 30 minutes to less when idle

Network speed reduced from 1 Gbps to 100 Mbps or 10 Mbps when sleeping

Power Management from Power Management from DesktopDesktop

Computer Sleep States Computer Sleep States S3 & S4S3 & S4

• When S3 or S4 level sleep state is When S3 or S4 level sleep state is enabled in BIOS the computer power enabled in BIOS the computer power consumption goes down to a few Wattsconsumption goes down to a few Watts

• S1 – Flush caches and stop processorS1 – Flush caches and stop processor• S2 – S1 + power down processorS2 – S1 + power down processor• S3 – Keep memory powered and power S3 – Keep memory powered and power

off everything else possible. Quick to off everything else possible. Quick to resume timeresume time

• S4 – Hibernate, memory to hard disk. S4 – Hibernate, memory to hard disk. Power failure safe. Slower resume timePower failure safe. Slower resume time

BIOS ChecklistBIOS Checklist

Advanced Configuration and Power Advanced Configuration and Power Interface (ACPI) : Enabled Interface (ACPI) : Enabled

Smart Fan : EnabledSmart Fan : EnabledSuspend Mode : S3Suspend Mode : S3Speed Step / Cool n quiet : EnabledSpeed Step / Cool n quiet : Enabled

Motherboard defaults are getting Motherboard defaults are getting better (needed for Energy Stars)better (needed for Energy Stars)

Managed Power Managed Power Management SoftwareManagement Software

• Can shut down computer as required by Can shut down computer as required by group policygroup policy

• Work can be saved before automated Work can be saved before automated shutdownshutdown

• Reports on status of all computers and Reports on status of all computers and how much power is being savedhow much power is being saved

• Can wake up computer for updates or Can wake up computer for updates or start of work daystart of work day

• Save ~ $6700 per year for 100 desktopsSave ~ $6700 per year for 100 desktops

Storage alternative Storage alternative Network Attached StorageNetwork Attached Storage

• File serverFile server• Backup + replicate Backup + replicate

serverserver• mySQL database mySQL database

serverserver• Web serverWeb server• FTP serverFTP server• Print serverPrint server• Multimedia serverMultimedia server• 17 watts in operation17 watts in operation• 6 watts in sleep mode6 watts in sleep mode• $650 for 1000 GB$650 for 1000 GB

Cooling CalculationsCooling Calculations

There is a direct relationship There is a direct relationship between energy consumption and between energy consumption and cooling requirements needed (3 BTU cooling requirements needed (3 BTU capacity needed for every 1 Watt capacity needed for every 1 Watt electrical load)electrical load)

Choosing efficient servers / desktop Choosing efficient servers / desktop PC / notebooks / thin clients reduces PC / notebooks / thin clients reduces the building cooling needsthe building cooling needs

This saves money in initial capital This saves money in initial capital costs and running costs costs and running costs

Other Processors Other Processors

Intel Atom processor uses up to 4 Intel Atom processor uses up to 4 Watts and now is used on small Watts and now is used on small laptopslaptops

Via Eden processors use from 2.5 to Via Eden processors use from 2.5 to 7 watts and require no fans which is 7 watts and require no fans which is good for embedded or battery powergood for embedded or battery power

ARM processors are used in PDA’s, ARM processors are used in PDA’s, mobile phones, media players and mobile phones, media players and sections of consumer electronics sections of consumer electronics

Where is IT saving Where is IT saving environment now?environment now?

• Electronic banking, electronic receipts, Electronic banking, electronic receipts, electronic pay slips, Intranets, Wikis, electronic pay slips, Intranets, Wikis, electronic form handling, email instead electronic form handling, email instead of post, email instead of fax, duplex of post, email instead of fax, duplex printing, saving us from repetitive tasks, printing, saving us from repetitive tasks, decision support systems, electronic decision support systems, electronic commerce, instant messaging, electronic commerce, instant messaging, electronic magazines & newspapers, online magazines & newspapers, online services such as email, document services such as email, document handling and computer maintenance.handling and computer maintenance.

ResourcesResources

• http://www.climatesaverscomputing.org/http://www.climatesaverscomputing.org/• http://www.nec.com/global/solutions/vpcc/benefits/index.html http://www.nec.com/global/solutions/vpcc/benefits/index.html • http://www.nec.com/global/prod/index.html http://www.nec.com/global/prod/index.html • http://www.80plus.org/ http://www.80plus.org/ • http://www.vista4beginners.com/power-management http://www.vista4beginners.com/power-management • http://www.energystar.gov.au/ http://www.energystar.gov.au/ • http://www.energystar.gov/ http://www.energystar.gov/ • http://www.energystar.gov/index.cfm?http://www.energystar.gov/index.cfm?

c=power_mgt.pr_power_mgt_ez_gpo c=power_mgt.pr_power_mgt_ez_gpo • http://www.vmware.com/solutions/consolidation/green/ http://www.vmware.com/solutions/consolidation/green/ • http://www.vmware.com/solutions/consolidation/http://www.vmware.com/solutions/consolidation/• http://www.vmware.com/files/pdf/drs_datasheet.pdf http://www.vmware.com/files/pdf/drs_datasheet.pdf • http://www.vmware.com/solutions/green/calculator.html http://www.vmware.com/solutions/green/calculator.html • http://www.verdiem.com/ http://www.verdiem.com/ Power Management SoftwarePower Management Software• http://www.efergy.com/en/ http://www.efergy.com/en/ Building energy meterBuilding energy meter