Data centre strategies in consideration of climate change

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Delivered at the Data Centre Strategies conference in HK in 2008, under the moniker of Pacific Research and Analysis

Delivered at the Data Centre Strategies conference in HK in 2008, under the moniker of Pacific Research and Analysis

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  • 1. Strategies for a sustainable data centre Mr. Simon Perry analyst@pacificra.com Data centre and Facilities Managers will find themselves increasingly at the forefront of practical efforts to reduce their business’s energy use and emissions. What do such efforts look like and how do we get from here to a lower energy facility? An introduction to strategic approaches to reducing a facility’s energy and emissions footprint; with a look forward to joined up strategic business thinking concerning energy usage and what that will mean to the data centre and the business’s building portfolio.   www.pacificra.com
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  • 8. Source: www.forbes.com Short term: energy price volatility
  • 9. Short to medium term: carbon emissions
  • 10. Medium term: energy availability
  • 11. Power to the building Nearly 80% of available power is lost before it gets to you Energy loss (%) 70 25 7 30% 22.5% 21% Energy available 100% 0
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  • 13. REDUCE COST INCREASE REVENUE TACTICAL STRATEGIC Business responses and IT Adapt existing business model to minimise energy usage Innovate to take advantage of new market opportunities Datacentre Hardware Datacentre Thermodynamics Office IT equipment Print services Tele-commuting & Video conferencing Datacentre Power Supply Design Alternate computing models Datacentre consolidation Facilities energy usage reduction Efficient energy usage within existing business model
  • 14. Today’s business focus
    • Power in the building:
      • Energy as used by the technology
        • Power to the equipment
          • r ationalisation
          • C onsolidation
          • AC versus DC supply
        • Power for cooling
          • better utilisation of equipment
          • more efficient cooling systems
          • t hermodynamic tuning
  • 15. Building design
    • Thermally efficiency of walls and roofing
    • Windows in the data centre
    • Atmospheric isolation
    • Entry and Egress
    • Wiring design: is wiring stopping effective cooling, or even causing heating?
    • Drop ceiling and raised floor design
  • 16. Power requirements in the building
    • Average utilisation <10%
    • Extremely low power efficiency
    • High heat generation
    • Average utilisation >60%
    • Highly efficient power usage
    • Extreme heat generation in a concentrated space
  • 17. Temperature and device reliability
    • Most data centres run at 18-21  C
    • In-built digital thermal sensors in CPUs
      • TCase measures overall CPU temperature
      • TJunction measures CPU core temperature
    • Modern CPUs have maximum TCase values of c. 60-70  C
    • TJunction generally >85  C (Intel states a top maximum core temperature of 100-140  C)
    • A suitable architecture (e.g. Blade) can be run in an ambient environment of c30  C without too much long-term problem
    • New theory:
    • Relative humidity is the reliability killer
  • 18. Computer equipment reliability
  • 19. Cooling requirements
    • Spot cooling is far more effective than overall cooling
      • Hot aisles/cold aisles
      • Forced laminar/turbulent cooling
      • Routed cooling
      • Routed heat removal
      • Stepped cooling
      • Natural cooling
    • Humidity control (Dew point)
  • 20.  
  • 21. Big Picture Business Drivers 1900 2010 2000 1950 1930 1970 1980
    • Petrochemicals
    • Industrial Production
    • Transportation
    • Post WWII rebuild
    • Plastics
    • Aviation
    • Automotive
    • Telecommunications
    • Enterprise &
    • Consumer
    • computing
    • Energy restrictions
    • Energy reorganisation
    • Emissions reduction
    • Local resilience
  • 22. REDUCE COST INCREASE REVENUE TACTICAL STRATEGIC Business responses and IT Adapt existing business model to minimise energy usage Innovate to take advantage of new market opportunities Datacentre Hardware Datacentre Thermodynamics Office IT equipment Print services Tele-commuting & Video conferencing Datacentre Power Supply Design Alternate computing models Datacentre consolidation Emissions reduction consulting Energy monitoring and control Alternative energy generation Supply chain reorganisation Co-locate facilities & renewable power Reduce embodied carbon Facilities energy usage reduction Efficient energy usage within existing business model
  • 23. Recyclability - Power
  • 24. (C)CHP
    • (Community) Combined Heat and Power
      • Generally gas powered smaller electricity generating plant
      • Overcomes the problem of large centralised generating plant just losing c.20% of available energy through heat
      • Overall thermal efficiency of around 80%
      • Excess power and heat can be sold back to the grid or the community.
      • >75% of Denmark’s energy comes from CCHP
      • Available from low kW to large MW of power output
  • 25. Conclusions
    • Energy efficient data centre is more than just about power and cooling to the hardware
    • The building can be just as important as the equipment
    • Management will require granular measurement
    • Performance reporting will likely be legislated
    • The whole area is incredibly complex – but the future will necessitate a better overall approach
    • Future approaches will call upon the skills you are developing today
  • 26. Interested to do Personal & Confidential Research (Black Label) Study? Write to us at: [email_address] [email_address] [email_address] Contact us at +65-65007359