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BT GS Data Centres - Sanjay Varma


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BT GS Data Centres - Sanjay Varma

  1. 1. Delivering Sustainable IT Services Sanjay Varma Global Head – Professional Services IT Services
  2. 2. <ul><li>IT is power-hungry </li></ul><ul><li>Globally, IT generates 2% of CO 2 emissions </li></ul><ul><ul><li>Similar to the Airline industry but growing </li></ul></ul><ul><li>A single Windows server generates > 3 tonnes CO 2 p.a. </li></ul><ul><li>A 500 server estate can generate 1,500 tonnes CO 2 p.a. </li></ul><ul><li>1,000 desktops can generate 800 tonnes CO 2 p.a. </li></ul><ul><li>Many IT organisations are struggling with power issues </li></ul><ul><li>Smaller, more powerful systems demand higher power densities </li></ul><ul><li>Systems innovation cycle is MUCH shorter than facility refresh cycle </li></ul><ul><ul><li>Data Centres struggle to cope </li></ul></ul><ul><ul><li>Power grids will also be stressed as IT expands </li></ul></ul><ul><li>We will show you how BT </li></ul><ul><li>Understands the problem </li></ul><ul><li>Has developed a coherent set of solutions to resolve these </li></ul><ul><li>Has proven these solutions with clients and in our internal estate </li></ul>Context and Agenda These issues must be resolved if IT is to fulfil its potential as a transformational force for sustainable business
  3. 3. How can we reduce Energy Consumption and CO 2 production ? <ul><li>Energy Consumption and CO 2 production are directly linked: </li></ul><ul><ul><li>Every 1Kw Hour consumed produces 0.537 Kg CO 2 * </li></ul></ul><ul><li>We use a 2-pronged approach for Energy / CO 2 reduction in data centres: </li></ul>* Based on Defra rolling average GHG conversion rates Reduce physical hardware through virtualisation & consolidation Improve the efficiency of the data centres PUE = Total Energy Consumed / Useful Energy Delivered
  4. 4. IT Services Portfolio Strategy Infrastructure as a Service Software as a Service Business Process Enablement <ul><li>IT Audit </li></ul><ul><li>CMP </li></ul><ul><li>Virtual Data Centre </li></ul><ul><li>SOA services </li></ul><ul><li>Hosted SAP </li></ul><ul><li>Oracle On Demand </li></ul><ul><li>Enterprise Architecture services </li></ul>Business Process Enablement Services Repeatable IT Consulting Methodologies Global Operational & Service frameworks Regional Data Centre & Virtualised IT Infrastructure
  5. 5. Illustration: Power consumption for a typical 200-server Windows estate <ul><li>Impact of Virtualisation </li></ul><ul><li>Non-Virtualised: 130KW (~ 610 tonnes CO 2 ) </li></ul><ul><li>Virtualised: 24-50KW (~112 - 230 tonnes) </li></ul><ul><li>Virtualisation can reduce power consumption by between 66% and 82% (Assume Average PUE of 2.4 ) </li></ul><ul><li>Impact of Data Centre efficiency </li></ul><ul><li>The difference in energy consumption between an inefficient Data Centre and an efficient one can be as much as 50% </li></ul><ul><li>(Assuming PUE range from 3.2 to 1.6) </li></ul><ul><li>Combined Impact, Combining these factors: </li></ul><ul><li>Worst Case: </li></ul><ul><ul><li>Non Virtualised; PUE = 3.2 </li></ul></ul><ul><ul><li>CO 2 = 813 tonnes </li></ul></ul><ul><li>Best Case : </li></ul><ul><ul><li>Virtualised; PUE = 1.6 </li></ul></ul><ul><ul><li>CO 2 = 75 tonnes </li></ul></ul><ul><li>Potential Energy / CO 2 saving ~ 91% </li></ul>
  6. 6. BT Capability – The Path to Efficiency Level 1: First cut emissions Level 2: Baseline emissions Level 3: Discover emissions CMP Delivering efficiency DC Services Virtualising infrastructure Benefiting Base lining
  7. 7. BT IT Audit – automated IT discovery BT IT Audit Appliance Windows workstations Windows Servers MAC Machines UNIX Machines Hubs Printers IP Phones Switches Software applications Primary data centre BT or client based Router Router Router Router LINUX Laptops IT Audit Services <ul><li>A professional services consulting capability </li></ul><ul><li>We help our clients to gain a better understanding of the assets comprising their ICT estate. </li></ul><ul><li>What they are: </li></ul><ul><ul><li>How are they connected </li></ul></ul><ul><ul><li>How are they configured </li></ul></ul><ul><ul><li>How well they are working </li></ul></ul><ul><li>Our reports provide clients with the information they need to reduce cost and optimise performance </li></ul>
  8. 8. IT Audit Outputs BT IT Audit - outcomes <ul><li>Executive summary outlining BT findings and recommendations </li></ul><ul><li>A comprehensive and detailed report of all devices found during the audit* </li></ul><ul><ul><li>Makes </li></ul></ul><ul><ul><li>Models </li></ul></ul><ul><ul><li>Serial Numbers </li></ul></ul><ul><ul><li>Configurations </li></ul></ul><ul><ul><li>Operating Systems </li></ul></ul><ul><ul><li>Software Packages </li></ul></ul><ul><ul><li>Connectivity </li></ul></ul><ul><li>* depending on the type of audit performed </li></ul>IT Audit Outcomes
  9. 9. Continuous Migration Process CMP allows us to move beyond “islands of virtualisation” to enterprise-level deployments <ul><li>A professional services consulting capability </li></ul><ul><li>Detailed analysis of application estate and associated infrastructure </li></ul><ul><li>Workload analysis: </li></ul><ul><ul><li>CPU </li></ul></ul><ul><ul><li>Memory </li></ul></ul><ul><ul><li>Disk </li></ul></ul><ul><li>Business Rules analysis: </li></ul><ul><ul><li>Define infrastructure strategy per application based on business requirements </li></ul></ul><ul><li>Platform analysis </li></ul><ul><ul><li>Can applications be moved to more efficient platforms ? E.g. from Unix to Linux / Windows </li></ul></ul><ul><li>Migration Planning: </li></ul><ul><ul><li>Migrate applications into virtualized environment. </li></ul></ul><ul><ul><li>Eliminate risk through accurate and detailed planning </li></ul></ul>CMP
  10. 10. Virtual Data Centre Services: Infrastructure as a Service <ul><li>Virtual Desktop Infrastructure (VDI) </li></ul><ul><li>VDI enables Desktop images to be run on virtual servers in the data centre </li></ul><ul><li>Ideal application for VDC </li></ul><ul><li>Desktops are then replaced with thin client-style devices </li></ul><ul><li>Huge power savings – of the order of 60-70% </li></ul>Customer Dashboard Customer controls environment automatically (applications & security, provisioning) Services include virtual servers, virtual infrastructure, flexible networks and storage shared across multiple locations with security separation maintained The Latest concept in data centre services Reliance on the physical hardware is removed and replaced with emphasis on service
  11. 11. BT Internal Case Study – UK Data Centres * Based on Long Term Marginal Rate 0.43 Kg / KWh Problem for BT Solution Outcome <ul><li>Inefficiency of Data Centres driving high cost and negative environmental impact </li></ul><ul><li>Application Transformation / Rationalisation </li></ul><ul><li>Server consolidation and virtualisation </li></ul><ul><li>Retirement of legacy systems </li></ul><ul><li>Removal of 3,350 servers </li></ul><ul><li>Lower cost; </li></ul><ul><ul><li>52% saving; 14 month payback </li></ul></ul><ul><li>Lower Energy use and CO 2 emissions </li></ul><ul><ul><li>89% power reduction achieved </li></ul></ul><ul><ul><li>Reduction of 2.5MW power usage </li></ul></ul><ul><ul><li>Saving of 21.9 GWh p.a. </li></ul></ul><ul><ul><li>or 9,400 tonnes CO 2 equiv p.a. * </li></ul></ul>
  12. 12. PUE improvements in BT Data Centres – 2008/9 <ul><li>Principles of improving PUE </li></ul><ul><li>Managing and balancing air flow </li></ul><ul><li>Hot and cold aisle containment </li></ul><ul><li>Moving to fresh-air cooling </li></ul><ul><li>Increasing operating temperature </li></ul><ul><li>Practical actions taken: </li></ul><ul><li>Arrangement of cold and hot aisles </li></ul><ul><ul><li>Separate with curtains </li></ul></ul><ul><li>Move air grids to most effective position </li></ul><ul><li>Reduce cooled air leakage </li></ul><ul><ul><li>Use blanking panels & brush inserts for air grids </li></ul></ul><ul><li>Increased set-point temperature </li></ul>This is work-in-progress, and PUE does fluctuate with DC workload. To date we have reduced energy consumption by an additional 10% The result…
  13. 13. BT Internal Case Study: iNET Italy Problem for BT Solution Outcome <ul><li>Growing market requirement for data centre services / finite data centre capacity </li></ul><ul><li>Minimise environmental impact of new data centre </li></ul><ul><li>I.NET took a critical look at everything from building location to design and used natural water resources for cooling </li></ul><ul><li>Demonstration of environmental thought leadership </li></ul><ul><li>Reducing CO 2 emissions by 4,200 tonnes pa </li></ul><ul><li>Saving €800,000 pa </li></ul><ul><li>28% reduction in energy use overall </li></ul>
  14. 14. BT External Case Study: Local Government Problem for BT Solution Outcome <ul><li>Aging Windows infrastructure of 400 servers </li></ul><ul><li>Infrastructure silos which prevented economies of scale </li></ul><ul><li>Poor responsiveness to change </li></ul><ul><li>High costs </li></ul><ul><li>BT built a new virtualised compute and storage environment </li></ul><ul><li>Created new consolidated infrastructure domain </li></ul><ul><li>Migrated 140 OS instances & applications initially </li></ul><ul><li>Other applications to be migrated as they need refresh </li></ul><ul><li>20:1 consolidation achieved </li></ul><ul><li>TCO saving of 33% on a 5 year basis </li></ul><ul><li>NPV = 636K ; IRR = 81% </li></ul><ul><li>Payback period: 15 months </li></ul><ul><li>CO 2 savings of 83% </li></ul><ul><ul><li>Saving of 326 CO 2 tonnes per year </li></ul></ul>
  15. 15. Summary <ul><li>BT’s IT Services capability is integrated with our sustainability programmes </li></ul><ul><ul><li>We are committed to helping our customers achieve environmental and cost improvements </li></ul></ul><ul><li>Learning from our internal programmes has driven our market capability </li></ul><ul><ul><li>Effective packaged consulting capability </li></ul></ul><ul><ul><li>Infrastructure as a Service through Virtual Data Centre </li></ul></ul><ul><li>We can provide an end to end client journey from Assessment to Implementation </li></ul><ul><ul><li>Improve efficiency of IT infrastructures through virtualisation </li></ul></ul><ul><ul><li>Optimise the outcomes using BT PS packages </li></ul></ul><ul><ul><li>Drive down energy use and CO 2 emissions </li></ul></ul><ul><li>Energy reductions up to 89% have been achieved </li></ul><ul><ul><li>Through the reduction of BT’s estate </li></ul></ul>
  16. 16. Q&A Delivering Sustainable IT Services