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Liam Newcombe BCS Data Centre Specialist Group Secretary

Liam Newcombe BCS Data Centre Specialist Group Secretary. Energy Efficient Data Centres. Cardiff University. Energy Use in the Data Centre EU Code of Conduct for Data Centre Operators. Cardiff University. Asking the Wrong Questions Per Service Energy Use The DCSG Model. Cardiff University.

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Liam Newcombe BCS Data Centre Specialist Group Secretary

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  1. Liam NewcombeBCS Data Centre Specialist Group Secretary Energy Efficient Data Centres

  2. Cardiff University Energy Use in the Data Centre EU Code of Conduct for Data Centre Operators

  3. Cardiff University Asking the Wrong Questions Per Service Energy Use The DCSG Model

  4. Cardiff University Asking the Wrong Questions

  5. The Power Delivery Path

  6. Cardiff University “For each Watt my Data Centre consumes what output do I get?” vs. “For each Service I deliver how much energy do I use?”

  7. Cardiff University What is the marginal economic or environmental benefit of operating this IT service?

  8. Cardiff University Per Service Energy Use Data Centres Servers Server in a Data Centre

  9. Cardiff University Data Centre Power - Where does it go?

  10. Cardiff University Per Service Energy Use Data Centres Servers Server in a Data Centre

  11. Cardiff University Server Power and Efficiency vs. Workload

  12. Cardiff University Per Service Energy Use Data Centres Servers Server in a Data Centre

  13. Cardiff University Put the Server in a Data Centre What does DCiE / PUE tell us?

  14. Cardiff University Metering Install Detailed Power Metering? What about Blade Servers and Virtualisation?

  15. Install Detailed Power Metering?

  16. Cardiff University Metering Install Detailed Power Metering? What about Blade Servers and Virtualisation?

  17. Metering Fails for Blades or Virtualisation

  18. Where to Measure

  19. Cardiff University Metering Must be able to link logical to physical Cannot solve our problem

  20. Cardiff University DCSG Data Centre Model

  21. DCSG Data Centre Model IT Workload IT Device Load to Power Function Data Centre Power Transfer Function

  22. Cardiff University EU Code of Conduct for Data Centre Operators

  23. Cardiff University Context Goals and Scope Development Best Practice Release

  24. Cardiff University Context for the CoC

  25. Cardiff University Political Context • Carbon reduction commitment • Energy security Industry Context • Many activities within Industry • Risk of Confusion and Mixed Messaging

  26. Cardiff University Economic Context • Rising energy costs • Data Centres represent an increasing proportion of overall business cost Social Context • Rising public awareness • Data Centres represent an easy target • ICT can reduce environmental impact • Demonstrate that our industry is not profligate with energy

  27. Cardiff University Goals and Scope of the CoC

  28. Cardiff University Goals • Led by Paolo Bertoldi, Directorate General • “aim is to inform and stimulate Data Centre operators to reduce energy consumption in a cost effective manner without hampering the critical function ….” • A Voluntary Commitment • Reward best practice with branding and associated EU Green marketing.

  29. Cardiff University Scope • The Code of Conduct covers: • “Data centres” of all sizes – server rooms to dedicated buildings • Both existing and new • IT power and Facility power • Equipment procurement and system design

  30. Cardiff University Scope • The Code of Conduct is for: • Participants: Data centre owners and operators • Endorsers: Vendors, consultants, industry associations

  31. Cardiff University Development

  32. Cardiff University Substantial Interest • Broad Participation and Support from • Vendors • Data Centre Operators • End User Organisations • Will become a Supplier Selection Criterion

  33. Cardiff University Working Groups • Best Practice • Focused on design best practice, Software, IT Architecture and Facility • Metrics & Measurement • Developing a standard method of comparative measurement of energy efficiency • Data Collection & Analysis • Performance benchmarking across the industry

  34. Cardiff University Best Practice

  35. Cardiff University Best Practice Intent • Neither a prescriptive nor exhaustive list of specific technologies • Focus on goals • Structured to allow the addition of new technologies

  36. Cardiff University Best Practice Intent • Some Practices are required for Participants • Practices that apply to; • Existing estate • New IT equipment • New or refitted Data Centres • It is understood that not all operators will be able to implement all required practices

  37. Cardiff University Value of Practices • Best Practices are guidance to operators on how they might improve energy efficiency • Practices are scored 1-5 (min-max) based upon their likely energy use benefit • Practices are ordered by score

  38. Cardiff University Required Practices • Grid and Virtualisation • “Processes should be put in place to require senior business approval for any new service that requires dedicated hardware and will not run on a resource sharing grid or virtualised platform” • Select efficient software • “Make the performance of the software, in terms of the power draw of the hardware required to meet performance and availability targets a primary selection factor”

  39. Cardiff University Required Practices • New IT Equipment • “Include the Performance per Watt of the IT device as a high priority decision factor in the tender process” • Power Provisioning • “Provision power and cooling only to the as-configured power draw capability of the equipment, not the PSU or nameplate rating”

  40. Same Computing Workload 100 One App Per Server Servers 15 Virtualised Servers 10 HPC Grid Servers Old N+1 Data Centre, Nameplate Provisioning Cardiff University Example Scenario

  41. Cardiff University Old N+1 Data Centre, Nameplate

  42. Cardiff University Old N+1 Data Centre, Nameplate

  43. Cardiff University Old N+1 Data Centre, Nameplate

  44. Same Computing Workload 100 One App Per Server Servers 15 Virtualised Servers 10 HPC Grid Servers Old N+1 Data Centre, Peak Provisioning Cardiff University Example Scenario

  45. Cardiff University Old N+1 Data Centre, Peak

  46. Cardiff University Old N+1 Data Centre, Peak

  47. Cardiff University Required Practices • Cooling • “Review and if possible raise target IT equipment intake air temperature” • Above the dew point • “Review of cooling before IT equipment changes” • “Rack air flow management”

  48. Cardiff University Required Practices – Retrofit or New • Cooling • “Design – Contained hot or cold air” • “Variable Speed Air Fans” • “Rack air flow management” • Utilisation, Management and Planning • “Lean provisioning of power and cooling for 18 months worth of data floor capacity”

  49. Same Computing Workload 100 One App Per Server Servers 15 Virtualised Servers 10 HPC Grid Servers New N+1 Data Centre, Free Cooling Cardiff University Example Scenario

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