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Improving your PUE while consolidating into an existing live data center


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While there are multiple consolidation options to consider, upgrading an existing data center has a significantly lower capital investment, requires no new real estate acquisition, can be phased to match IT refresh cycles and IT virtualization, and can be done while the data center is live. This session explores these considerations which are particularly important in the Federal space as well as a high density POD overlay discussion and approaches to reducing PUE.

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Improving your PUE while consolidating into an existing live data center

  1. 1. 1Improving Your PUE While Consolidating IntoAn Existing Live Data CenterJay OwenVP, IT Federal SolutionsTweet Live!#SchneiderXE
  2. 2. 2ObjectivesUpon Completion of this course, you will be able to● Identify the percentage of commercial data center operators that plan touse co-location or cloud to meet future data center requirements● Identify three reasons why a new data center is built● Identify three reasons why an existing data center is upgraded● Identify four consolidation options● Identify the typical range of IT cabinets in a pod● Identify attributes of a high-density pod● Typical PUE● Rack densities● Raised floor requirements● Options● Benefits
  3. 3. 3Consolidation options●Move IT to the cloud●Move IT to Co-Location●Build new larger data centers and consolidateinto them●Upgrade selected existing data centers andconsolidate into themWhat are commercial customers doing, and why?
  4. 4. 4Moving IT to cloud or co-location● Only 50% of commercial data center operators plan to use co-location or cloud to meet future data center requirements*(remainder to be met with in-house data centers)● Rarely is an entire data center moved to cloud or co-location● Moves to cloud or co-location often free up capacity acrossexisting data centers, increasing the need to consolidate● Uncertainty regarding use of cloud increases the risk of buildingnew data centers*Survey by 451 group, presented at the Uptime Symposium, May 2012Moves to cloud and co-location do not decrease the need toconsolidate, but actually increase this need
  5. 5. 5Typical concept: Build new data centerand consolidate into it● When the goal is to consolidate a large number of data centersinto a single very large data center (~20 MW)● A large capital project is feasible (~$400 M)● High rate of IT growth is anticipated● When the stock of existing data centers is considered hopelesslyineffective (space, energy efficiency, power density)● When there is a commonality of IT functions across the datacenters● When the consolidation can be forced top-down in the organization● When harmonized standards can be imposed across all of the ITsystems
  6. 6. 6New concept: Upgrade selected existingdata centers and consolidate into them● Appropriate when consolidating 2-5 data centers into one● When some of the existing IT is moving to the cloud or co-location● Much lower capital investment● No new real estate acquisition● Consolidation projects are not organization-wide but are operatedwithin independent departments● Can be phased to match IT refreshes● Can be done while receiving data center is live
  7. 7. 7Example of a High Density PodTwo Pod installation at US Army Fort Bliss
  8. 8. 8The High-Density Pod Overlay Method● Method for upgrading existing data centers● Self-contained “Pods” of data center infrastructure are placed inexisting data center space● Pod size typically 10-20 cabinets● Typically includes integrated air conditioning and power distribution● Optionally contains integrated UPS● Pods operate with superior performance● Much higher energy efficiency (typical PUE less than 1.4)● Much higher power density (up to 20 KW per cabinet)● Pod does not need to rely on existing infrastructure● Does not require raised floor● Does not require air supply
  9. 9. 9Example of a Consolidation Project Using Podspresented by SUN at data center dynamics, July 2008
  10. 10. 10Clear out a corner of the data center toget started
  11. 11. 11Consolidation of a typical portfolioSpecDataCenterADataCenterBDataCenterCStartingTotalRated KW 500 KW 700 KW 250 KW 1450 KWActual KW 260 KW 220 KW 160 KW 640 KW% KWUtilized52% 31% 64% 44%Ave KWpercabinet3.0 KW 3.4 KW 3.5 KW 3.3 KWPUE 2.2 2.2 2.1 2.2SquareFeet8,300 7,800 4,200 20,300% SpaceUtilized29% 23% 31% 27%AnnualEnergy $$600,000 $510,000 $350,000 $1,460,000
  12. 12. 12Assumptions● Data Center B chosen as receiving data center● Assume none of the current load will go to the cloud or be reducedby virtualization● At final condition Data Center B has been converted to Pods overtime
  13. 13. 13Consolidation of a typical portfolioSpecDataCenterADataCenterBDataCenterCStartingTotalFinalTotalRated KW 500 KW 700 KW 250 KW 1450 KW 700 KWActual KW 260 KW 640 KW 160 KW 640 KW 640 KW% KWUtilized52% 91% 64% 44% 91%Ave KWpercabinet3.0 KW 6.0 KW 3.5 KW 3.3 KW 6.0 KWPUE 2.2 1.6 2.1 2.2 1.6SquareFeet8,300 7,800 4,200 20,300 7,800% SpaceUtilized29% 38% 31% 27% 38%AnnualEnergy $$600,000 $1,075,000 $350,000 $1,460,000 $1,075,000
  14. 14. 14Results of the example● Energy use reduced 26%, even though the IT load stayed constant● The receiving data center has only 38% space utilization afterconsolidation! (space compaction due to increased density)● 60% of the original data center space was freed up for otherpurposes!● The target receiving data center was NOT the one with the mostsquare feet or the best PUEThese are typical results we see in commercial installations
  15. 15. 15PUE contribution of cooling losses:Traditional vs. superior data centre1. 1.3211.
  16. 16. 16PUE contribution of cooling losses:Traditional vs. superior data centre1. 1.3211. cooling isresponsible for most ofthe energy inefficiencyHigh Density Pods eliminate most of the inefficiency of atraditional data center
  17. 17. 17Capacity extension of maxed out data centersPower and cooling facilitymodules are added toexpand power capacityModular IT space is addedalong with power andcooling modules12Power, cooling, and space can be added to live data centersin the future
  18. 18. 18Retrofitting a live data center requiresspecial skills
  19. 19. 19Conclusions● Moving IT to the cloud or co-location increasesthe need to consolidate internal data centers● You don’t need to build new data centers to bereceiving data centers● It is common in industry to consolidate anumber of data centers into an existing livedata center● The High Density Pod Overlay Method is avery effective technique for upgrading datacenters as part of a consolidation project
  20. 20. 20ResourcesContainerized Power and Cooling Modules for DataCentersSchneider Electric White Paper 163Deploying High-Density Pods in a Low Density Data CenterSchneider Electric White Paper 134Preparing the Physical Infrastructure of Receiving DataCenters for ConsolidationSchneider Electric White Paper 175Determining the Power, Cooling, and Space Capacities whenConsolidating Data CentersSchneider Electric White Paper 177download:Whitepapers.apc.comipad appstore: “Schneider electric white papers” free application