HP Data Center Environmental Edge White Paper
Contents
1. including the data center rack PDU and server Figure 7 displays a Power Summary meter for a server showing the following information e Peak Observed Power is the peak power consumption concurrently observed for all attached devices during a recorded history of up to three years Calibrated Max Power is a prediction of the server s maximum power use based on a benchmark test that occurs when the server boots Minimum Power is the least amount of power required to power on the server Capacity is the available or maximum power limit of the power delivery device such as a circuit breaker or PDU Power cap yellow dot is the capped power consumption of the server You can safely use the Calibrated Max Power to reserve enough capacity for the server based on its present configuration without relying on inaccurate estimates made from faceplate ratings or other 11 generalized practices The difference between the Calibrated Max Power and Peak Observed Power represents the potential power capacity that you can reclaim by applying the power cap value The green range between the circuit Capacity and the Power Cap represents available circuit capacity Figure 7 Power meter summary for a server Peak Observed power 500 Watts 2 40 Amp fey noe Tio re ae 5 29 Amps Po otis P 61 Amps Line Voltage 208 Yolts AC Headroom Capacity 250 Watts 1 20 Amps Peak Observed Time 127311969 7 00 PM Operating Range 0 Watts 0 00 Amps2. 1000 Watts 4 81 Amps Insight Control lets you identify potential electrical overloads at the PDU rack and data center level It also allows users to identify potential thermal overloads at the rack level In Figure 8 the red range between the Calibrated Max Power and the circuit Capacity represents the potential overload of the circuit This means that an overload would occur if all of the servers running the application were to consume as much power as they consumed during the benchmark measurement at the last boot In this case setting a cap at the PDU capacity would not impact the performance of the servers But it would protect the circuits from an overload by an unexpected increase in application workload Figure 8 Power meter summary for a rack of servers Power Summary for N45E12 Rack 204 Volts AC 08 08 2011 11 40 PM 5040 Watts 25 Amps 14 00 KW 769 Amps Data center thermal profiles Although the overall cooling in your data center may be sufficient there may be areas with poor airflow excessive heat output or airflow mixing at the ends of aisles Insight Control lets you identify such areas by displaying your data center s temperature profile The profile is based on data from thermal sensors in each ProLiant server 12 Betore Insight Control can generate the temperature profile you need to describe the physical positions of your systems and racks You can do this by importing a database UCMDB or Microsoft
3. Highly efficient airflow and separate hot and cold aisles minimizes mixing and recirculation and it maximizes cooling efficiency with a cold aisle that can be run up to 90 F 32 C 16 As a result the HP POD 40c and 20c can have a PUE ratio as low as 1 25 depending on the contiguration of the IT equipment and the water cooling facility to which they connect We can ship the HP POD 40c or 20c in as little as 6 weeks For more information visit htto h18000 www1 hp com products servers solutions datacentersolutions pod index html HP POD 240a The HP POD 240a nicknamed EcoPOD is engineered for the ultra high efficiency that is possible only with free air cooling The EcoPOD contains 2200U of rack space suitable for 44 50U 19 inch racks This IT capacity is equivalent to a 10 000 ft 3 048 m traditional data center but at one tenth the space The EcoPOD consists of two 40 ft IT modules with a common 8 ft wide 2 438 mm hot aisle Figure 13 that allows you to easily remove and service IT equipment up to a rack at a time Above the IT modules you can use up to 24 direct expansion DX air conditioning units when outside air is too hot or otherwise not suitable Figure 13 HP Performance Optimized Datacenter 240a DX units 3a i M Da ae 20ft 7in X a AS PIi f 45t 2in f 4 y 23ft Qin Cold aisle Hot aisle Cold aisle IT modules Power capacity The EcoPOD uses an industrial quality programmab
4. amp Links Events Power Layout Essentials Power Thermal Quick Launch Data Center E E ba G8 EE BERR eee eee eee SPCR A g a E E ia me Side A Side B nF A 4 sal a B a h oe OF i a E lo ba blpwrmon 43 14_ Temperature F Available power reporting Insight Control software collects the electrical inventory and the power required for each HP device This gives you a precise view of both the total power required and the amount of power available for 14 new devices Insight Control also polls the iPDUs daily and updates the rack configuration if a server is moved or a new server is plugged into an iPDU If you need a place to deploy a new server Insight Control can identity the rack s with available power where you can put it Figure 11 You simply click on the Available Power tab to determine where you have enough power for the server or device you need to deploy Dynamic Power Capping controlled on multiple servers through Insight Control completes the solution It allows you to control power use ensuring that power used by the servers conforms to the available power capacity Figure 11 Available Power tab in Insight Control power management software All Data Centers Maximize Physical Location Power Delivery Available Power Quick Launch Vew as ag Excess Capacib Headroom Wat Power Su Houston _Lab_Room_PDU Power Feed HP iPDU
5. A HR NEw __pitseaneesanensaae J a g Power feed B IPD power cords with data lines AC in AC in Ethernet network Monitor real time power use The iPDU collects power use data for each individual outlet twice per second It s 99 accurate at 1 amp and above making it one of the most accurate monitored PDUs on the market The iPDU s network connection lets you access this data locally through the HP Intelligent PDU Management GUI or remotely through Insight Control power management software Eliminate human error IPD is the only solution in the server industry today that automatically correlates server identity to power outlets This capability helps prevent personnel from connecting redundant power supplies to the same circuit which is a common cause of server failure Also when you need to reset a server by cycling power to it you must cycle the correct outlet s or you will shut down the wrong server If the server uses redundant power supplies you have to cycle all power supplies simultaneously to prevent boot errors and power supply errors The iPDU management GUI and Insight Control include a Power Cycle Control switch that lets you cycle power simultaneously to the redundant outlets for each server The switch works similarly for a manually entered device such as a third party device for which the device s universally unique identifier UUID is properly matched to its outlets For more information about
6. Ceiling Air duct gt Grid Rack with rear extension kit __ installed Floor Grid HP Modular Cooling System G2 The HP Modular Cooling System MCS G2 is a closed loop system that can cool two 17 5 kW racks or one rack up to 35 kW The MCS G2 lets you add computing power without adding to the data center heat load It extends the life of your facility when floor space is limited when you need to isolate existing high density racks or when you re retrofitting an open aisle data center The totally enclosed airflow within the MCS G2 does not affect other racks and vice versa The MCS G2 is highly efficient with a partial power usage effectiveness PUE of 1 05 to 1 07 at full load depending on the input voltage 200 240v It uses an enclosed air to water heat exchanger connected to the chilled water system to deliver cold air to the front of the racks Fan modules at the rear of the rack re direct warm air back to the internal heat exchanger where it is cooled and re circulated Figure 4 For more information see the HP Modular Cooling System G2 Rack Overview at http h10010 www1 hp com wwpc us en sm WF050 3447589 3447589 3446285 344637 1 3461917 3657806 html Figure 4 Airflow in the HP Modular Cooling System G2 Single Rack Configuration Dual Rack Configuration Data center power management with HP Insight Control HP Insight Control is a suite of licensed management software components
7. Intelligent Power Discovery read the HP intelligent power infrastructure solutions technology brief at http h20000 www2 hp com bc docs support SupportManual c02505050 c02505050 pdf HP Power Advisor Overly conservative power provisioning practices over allocate power to IT devices and underutilize your data center s power capacity Some facilities planners provision power capacity among branch circuits based on a percentage of the total power supply faceplate ratings of the servers on each circuit This conservative method usually has a significant error margin that can unnecessarily use up the data center s power budget HP Power Advisor can help you reclaim this trapped capacity and more efficiently provision power in your data center The HP Power Advisor utility helps you calculate the expected power use of ProLiant and Integrity servers to determine power distribution power redundancy and battery backup requirements It lets you calculate the power requirements for a single server a rack of servers or multiple racks of servers These calculations are based on data collected through extensive testing of various HP ProLiant and Integrity server configurations running a particular synthetic workload You can adjust the calculations to determine server power requirements at different server utilization levels that more closely match your expected workload HP Power Advisor lets you build a virtual infrastructure component by
8. Right Rack POU m Excess Capacity 16 33 130 121_PDU 1 Rack POU E Headroom Capacity 16 33 130 122_PDU 1 Rack PDU Operating Range Potential Ovwerload webserver15_PDU 1 Rack PDU f Potential Overioa Ho Data HP iPDU Left Rack POU D Power Cap 16 83 130 130_PDU 1 Rack PDU 16 83 130 133_PDU A Rack PDU 16 33 130 134_PDU 1 Rack POU blpwrmonzb_PDU 1 Rack POU blpwrmonza_PDU 1 Rack POU blpwrmontb_PDU 1 Rack POU blpwrmonda_PDU 1 Rack POU 16 63 130 172_PDU 1 Rack POU E a E L L 4 4 E adl 4 O O ad 4 Define Data Center Define Rack Power HP Pertormance Optimized Datacenters HP Performance Optimized Datacenters PODs are modular self contained data centers that help enterprises expand capacity rapidly and efficiently The HP POD family includes three data center designs that you can deploy in weeks The HP POD 40c and 20c are chilled water data centers and the HP POD 240a uses free air cooling and air conditioning Free air cooling takes advantage of regional climate conditions for more efficient operation 15 HP POD 40c and 20c The POD 40c is 40 feet 12 m long with 1100U of rack capacity and twenty two 50U 19 inch 482 mm deep racks Figure 12 It offers capacity equivalent to a 5 000 ft 464 m traditional data center It provides up to 600 kW of non redundant capacity or 380 kW of fully redundant capacity Facilities personnel can connect it directly into 480 V utility power and the chilled water s
9. component and rack by rack It generates a Power Report that you can use to calculate the cost of ownership for a single server or a rack of servers based on the cost of electricity The HP Power Advisor is the first step toward the goal of completely predictable and manageable power use Read the HP Power Advisor utility technology brief for more information at http 7h20000 www2 hp com bc docs support SupportManual c01861599 c01861599 pdf HP uninterruptible power supplies Conventional AC power distribution systems use an online double conversion uninterruptible power supply UPS as shown in Figure 2 The online double conversion UPS converts the utility AC power to DC charges a battery bank and converts it back to AC A conventional power distribution unit PDU uses a transformer to step down the AC voltage and distributes AC through branch circuits at the input voltage of the IT devices Inside servers power supplies convert the AC power to DC and step down the voltage to the levels required by the various components From the UPS to the power supplies this distribution chain often delivers less than 75 of the utility power to the IT load Figure 2 Conventional AC power distribution using an online double conversion UPS Double conversion UPS Server power supplies floor mounted S 5 Tas iN Newer data centers may have more efficient power distribution systems but there is still room for improvement We ba
10. helps administrators maximize data center power utilization by fitting more IT equipment in the available space and power and cooling capacity These tools are summarized below For a more detailed description read the HP Power Capping and HP Dynamic Power Capping for ProLiant servers technology brief HP Dynamic Power Capping We use HP Dynamic Power Capping technology in most of the enterprise class G5 ProLiant servers and beyond Dynamic Power Capping uses sophisticated monitoring and control circuitry to prevent server power from exceeding a preset level Because Dynamic Power Capping is hardware based it can quickly control sudden surges in power use from servers and prevent tripping even the fastest circuit breakers used in HP PDUs You can set a power cap for an individual server trom the iLO user interface For groups of servers you can set the power caps from the power management module within Insight Control HP Enclosure Dynamic Power Capping We designed Enclosure Dynamic Power Capping technology specifically tor BladeSystem enclosures It lets you set a power cap for an HP BladeSystem Enclosure by using Insight Control version 2 0 or later or Onboard Administrator firmware version 2 30 or later The Onboard Administrator monitors and maintains the power cap for the entire enclosure by adjusting cap levels on individual server blades As one server blade becomes busy and another becomes idle Onboard Administrator adjusts th
11. that build on and complement HP SIM which is included on all ProLiant servers HP introduced data center power management capabilities in Insight Control 6 0 through the HP Insight Control power management plug in Insight Control power management software has the following capabilities e It provides centralized monitoring and control of server power consumption and thermal output e It allows you to set power regulation policies for groups of servers e It lets you visualize the layout of devices in racks including summaries of temperature and power consumption Insight Control power management software enables you to reduce errors and make better intormed decisions Some of the features of Insight Control power management include e Data center power topology management e Data gathering and archiving e Power monitoring e Data center thermal profiles e Available power reporting Data center power topology management HP Insight Control power management software lets you visualize monitor and control the power topology of a complete rack system from a central console either locally or remotely Figure 5 Insight Control can discover and communicate with iPDUs to retrieve the power topology see Discover the power distribution topology above and retrieve power measurement data With HP iPDU technology Insight Control knows which servers are connected to each iPDU So when you drag and drop the iPDU to the rack on the Powe
12. Excel worksheet using enclosure information from HP BladeSystem Onboard Administrator or by manually defining rack groups Then you can view the peak observed temperature in each area of your data center over 24 hours through the Power Thermal Analysis views page Figure 9 If you configured thermal limits for any racks you can immediately see potential violations of these limits Figure 9 Data center temperature profile on the Power Thermal tab Tools Deploy Configue OGugnese Optimize Reporta Tesks logs Options Help DC1 Data Center vance ED Go back to Al Power Ivrastructse Ee Ee eo eee Ee 3 Ose Launch Data Cortot Mame OCI Powe Pache Pee Rows 9 Pack Orientan A baea gt Da v ine q wn Tompontero P taroan cene 13 At the rack level the Power Layout tab displays a specific rack configuration with power distribution devices enclosures and servers The view in Figure 10 shows the rack height and the power distribution connections on Side A and Side B The color of the enclosures and systems in a rack represents the thermal status of the particular enclosure or system as referenced by the temperature legend at the bottom of the screen The monitored temperature range is from 59 F 15 C to 86 F 30 C You can click on an enclosure or system in the rack to view its power consumption and thermal information Figure 10 Rack thermal view N45E12 Rack Go back to All Data Centers System Tools
13. HP power and cooling technologies for the data center Technology brief 2 edition i igels lt c ne ee R eee ne eee ee eee een eee ee ee ee 2 Proliant server Sth C ION CY ses sacunarecoecweszs otmaeubbang dssnataauebe doenouliuasesbubbansiusnandaasesecds caubisteateubsesdeenantantetebenses 2 FPGAS GLC IY FAS is ad csatoaces eigen can cossandatecesseke r E AA EE A S EAA aieea AaS 2 Power monitoring and reporting tools 2555025 cisadzduansdens dogusssaneradhocssicendeduenuhous taaesetenanededasdainndsfyecetadalawnnesenes 3 Power contol o0 Esaiae e a naps anasto a SEE E E E EEA 3 KEET ogo E S E E E E E E E E A E E E E E een 4 HP Intelligent Power Discovery sac issedeact s cc cnecaasesearesas saps ssatnacteds daudeatantaceaas duvessuncoachedaenedsansseatesoedeuascedenss 4 FS OVS VIS OF cts gecesi ose atse sa pteint ent pa cea use sea eae coon E sauteed seaiacte ee tielen Gus eetoes 6 HP uninterruptible power supplies 2acs dis secs sanszexcendnos dosuosaruerdnnsssaseedeasenunsaadaeeheneyaceaeaadoanmasenseedueadswanesdeecs 6 Ee e sceeasctisen soa E E A E EEE A A NE T E O E N ENE A 7 RAPTO JOO 2 RERA DUE a E E E E 8 HP Modulo Cooling oyslemi G 2 eee eee EA EEE EREE eee ee eee 8 Data center power management with HP Insight Control cccccccccccceesseeeeeeeeeeeeessseeeeeeeeeeeeesaeeeseeeeeeeegaas 9 Data center power topology ui olc ole 1 0 9 Meee eet eet eae nnn Aan Ree en UR se ney 9 Data gathering and FIN VAlN hee a stescrasiee ton qelsa
14. T equipment and work smarter We continue to focus on improving the energy efficiency and management of ProLiant servers to help your data center get the maximum performance per watt maximize the use of the capital infrastructure and deal with the complexity of higher IT equipment densities Our power distribution technologies help you to right size your IT and power infrastructures measure every watt and degree and decrease costly energy losses We offer products that improve the cooling efficiency of your data center through hot air containment and closed loop cooling These products help you control cooling resources better and fit more high density IT equipment to extend the lite of your data center HP Insight Control power management software can help you define monitor and control your data center s IT power and cooling infrastructures It also helps you reclaim unused power capacity and maximize data center utilization If your data center needs to scale out rapidly our modular energy efficient PODs offer a complete expansion alternative to traditional brick and mortar facilities With HP PODs you can expand IT capacity in weeks instead of months or years with traditional facilities 18 For more information For additional information refer to the resources listed below Resource description Web address HP rack and power infrastructure http h18004 www1 hp com products servers plattorms racka products ndpowe
15. a center of extra revenue and the latter can lead to unscheduled downtime It s also difficult to detect potential wiring errors that can cause mission critical server failures Intelligent Power Discovery IPD removes the guesswork in determining your data center s power and IT equipment connectivity topology IPD also monitors real time power use and detects some common wiring errors Discover the power distribution topology Our IPD solution works with ProLiant servers with iLO 2 firmware v2 0 or newer or iLO 3 firmware v1 05 or newer IPD components include e An Intelligent Power Distribution Unit iPDU with an embedded management module and six monitored C 19 outlets e One or more Intelligent Extension Bars each with five monitored C 13 outlets e IPD power cords with embedded RS 232 data lines e HP Common Slot Power Supplies with IPD connectors When you connect the IPD components as shown in Figure 1 the iPDU automatically detects and communicates with each server s iLO device before the server is powered on The iPDU management module and the iLO devices exchange identity data hostname IP address and serial number through the IPD power cords This allows the iPDU to track the servers plugged into each of its outlets Figure 1 Components of the HP Intelligent Power Discovery solution HP Common Slot Power Supplies Intelligent DAS tin ae J a l Intelligent Extension Bar BBB i iL Extension Bar Power feed
16. adiacrasioe carsene andeacas ectaeaeacatseasnceseqeasadanctectaoaescedaeeeecaniaranatse 10 PONT ROMO FUNG ete put ceases ce vencet cotem E EA R E 11 Daia Center Mermal Oh Ones asror taaan a EE 12 Available power reporting sss 2ctsenssasncectamertnctscwassesenebeahaneed ataatehontenbiwasiasnouksanncesd cdaatobesGusidvasdacouubantets 14 HP Performance Optimized Datacenters cccccccccccccceeeeeee sees eeeeeeeeeeeeeeeeeeeeeeeseseeseeeeeeeeeeeeeeeeeeeeeeaaaaaaas 15 PP OAS Gia 200 sisien eena EEEa Ea SE EE EEA EET EE eter 16 FERODO ZAO tres cs tere E E EAR E E E E E EE EA 17 Cones Oieee e E E E E EE 18 For more information cccccccccccececcccececuceccccecucuccccecucucaceececuccueesencusuceeencncuceseucncususeceneususseesensucuseeenenes 19 Introduction In this technology brief we describe a broad range of HP products and technologies that raise energy efficiency maximize use of the power capacity and simplify management of your data center s power and cooling infrastructure We begin in the IT processing section by describing the technologies and tools that help you measure monitor and control the power usage of HP ProLiant servers to get the maximum performance per watt Then we go outside the server in Power Distribution to describe HP products and technologies that improve data center power distribution efficiency monitoring and provisioning High density heat loads and unforeseen airflow anomalies in data cente
17. e individual caps to give each server blade what it needs while maintaining the total enclosure power below the cap Power distribution Power distribution extends from the utility grid to the branch circuits that deliver power to the IT equipment No distribution system is 100 efficient so some power is lost during this process Between 2 and 12 ot the power delivered to the data center is lost during distribution from the utility power grid to the IT devices The biggest power losses occur each time the distribution system converts or steps down the voltage to reach the level required by the IT devices These power distribution losses are costly because they don t perform work and they generate heat that needs to be extracted Follow these two basic power distribution principles to reduce your data center power losses e Minimize power conversions to reduce power losses and heat generation e Distribute high voltage power as close to the load as possible High voltage circuits have lower transmission losses than low voltage circuits and require a less expensive wiring intrastructure Tools and products that improve data center power distribution efficiency monitoring and provisioning include e HP Intelligent Power Discovery e HP Power Advisor tool e HP uninterruptible power supplies HP Intelligent Power Discovery It s not easy to tell when a circuit is underutilized or potentially overloaded The former can deprive your dat
18. ials Quick Launch Location Rack gt kaze Power bipwrmonta_PDU 1_LS 5 Out 5 blpwrmonib_PDU 1_LS 2_ Out 5 a Graphs Type of Graph Power Consumption z Show V Average Observed Power Consumption V Peak Observed Power Consumption V Power Cap Time Frame Fixed Interval Range Interval Most recent 4 w Day s v Ea Previous 4 Day s Peak Observed Power 260 00 Watts Sat 09 03 2011 01 24 CDT 310 300 290 280 270 260 250 240 i 2 a 230 ji 220 i t S 210 1 iH i a ene ree n i j i 5 i i aE a 200 j si E E A E 190 k L R te t amp 5 ur f i i 180 7 i p f 1 u 170 I i i a o oa o ny TTY ha TEP ye eth EE bth hy FINE HHI PANNI Huhn An 150 2 Sep 00 00 2 Sep 12 00 3 Sep 00 00 3 Sep 12 00 4 Sep 00 00 4 Sep 12 00 5 Sep 00 00 5 Sep 12 00 Time CDT Average Observed Power Consumption Peak Observed Power Consumption Power Cap Analysis for Thu 9 1 2014 10 38 PM CDT Mon 9 5 2011 10 38 PM CDT Average Observed Power Consumption 122 96 Watts Peak Observed Power Consumption 260 00 Watts Power monitoring As we mentioned earlier potentially overloaded circuits can lead to unscheduled downtime The power monitoring capabilities of Insight Control let you accurately measure power use so you can manage it better Insight Control provides a detailed power summary at several distribution levels
19. ks of Microsoft f Corporation TC0000759 October 2011
20. le This improved monitoring technology prevents overcooling within the server lets the fans consume less power and produces less acoustical noise HP engineers designed Active Cool fan technology tor HP BladeSystem c Class Enclosures Active Cool 200 fans are ducted the fan is longer than it is wide to generate high volume high pressure airflow with low acoustical noise levels HP Active Cool 200 fans use minimal power they can cool 16 server blades using as little as 150 watts of power Power monitoring and reporting tools ProLiant servers include tools that measure and report their power use to HP Insight Control so that you can react faster and smarter to unexpected changes and track long term trends When a server boots it runs its components at full power for a few seconds to measure the maximum power use for its configuration The server s iLO device reports this Calibrated Max Power to Insight Control Also ProLiant servers monitor and report their peak and average power use to their iLO controller The iLO device collects this power usage information every 5 minutes Administrators can view the peak and average power usage over the previous 20 minutes or 24 hours through the local iLO interface through Insight Control Power control tools Our provisioning tools Dynamic Power Capping and HP Enclosure Dynamic Power Capping reduce the uncertainty normally involved in determining worst case power requirements for servers This
21. le logic controller PLC to gather IT power consumption data from up to two HP Monitored PDUs per rack The HP Monitored PDU accepts 3 phase 415 V power and outputs 240 V to the rack It has an input current monitor that measures the aggregate current draw on each power circuit Administrators can view IT load data locally or remotely with an optional management module Policy based Adaptive Cooling The PLC checks environmental conditions inside and outside the EcoPOD The PLC monitors temperature sensors in the hot and cold aisles and humidity sensors included with the optional humidifier Users can define policy set points for Adaptive Cooling mode based on industry parameters ASHRAE recommended ASHRAE allowable or HP allowable temperatures Based on the IT load environmental conditions and user defined policies the EcoPOD uses an algorithm to adjust the control surfaces fan speeds and the following Adaptive Cooling modes to use the least amount of energy e Free air mode Ambient air within a specified temperature humidity range provides cooling e DX recirculation mode The DX units provide all of the cooling 17 We can ship the HP POD 240a in as little as 12 weeks For more information on the EcoPOD visit http h17007 www 1 hp com us en whatsnew june 06061 1 3 aspx Conclusion This paper has described the products and technologies we have developed around our three data center strategies consume less power fit more I
22. ling or specitic air channeling Letting the entire facility run colder to compensate for hot spots is not a cost effective option The increasing heat loads require caretully planned cooling strategies such as hot air containment and closed loop cooling We designed the HP 10000 G2 Rack Air Duct and the HP Modular Cooling System G2 around these strategies to improve cooling efticiency and eliminate hot spots HP 10000 G2 Rack Air Duct The HP 10000 G2 Rack Air Duct increases cooling efficiency by containing hot air at the rear of the rack The Rack Air Duct channels hot exhaust air directly into the air return system eliminating hot air recirculation and mixing with the cold air Figure 3 The Rack Air Duct increases the temperature of the air returned to the computer room air handler CRAH allowing more efficient heat transfer Strategically less mixing of hot and cold allows you to better and more predictably cool your IT systems For example you can increase cooling efficiency by raising the CRAH output temperature or the chiller water temperature with fewer unexpected side effects You can also add new loads or move old ones with fewer problems The HP 10000 G2 Rack Air Duct also has some other distinct advantages e It has no moving parts e It can be retrofitted into existing data centers that use HP racks e It can increase efficiency enough to support cooling 10 15 kW rack configurations Figure 3 HP 10000 G2 Rack Air Duct is
23. nt server efficiency Servers are often the largest consumers of power and IT labor in the data center Therefore we focus on improving server efficiency to help reduce operating expenses and help facilities cope with the complexities of higher compute densities This section summaries the high efficiency features power control tools and provisioning technologies we build into ProLiant servers to address data center challenges High efficiency features We design and develop ProLiant servers to be as energy efficient as possible so they give you the highest possible performance per watt We accomplish this by examining every key element including power supplies processors thermal sensors and internal fans HP Common Slot Power Supplies ProLiant rack mount servers and the HP BladeSystem c7000 Enclosure G6 and above have power supply slots that accommodate HP Common Slot Power Supplies HP Common Slot Power Supplies have a common form factor and are available in three AC capacities 460 W 750 W and 1200 W and a 1200 W 48 V DC version These capacities let you match the power supply wattage with the server s power requirements thereby operating closer to the power supply s peak efficiency and consuming less energy The ability to use Common Slot Power Supplies across multiple platforms simplities maintenance and reduces inventory All HP Common Slot AC Power Supplies meet 80 PLUS Silver Gold or Platinum specifications The AC powe
24. r Layout all the attached servers follow You can repeat this procedure to create a model of each rack in the data center Insight Control also detects and identifies common errors such as a critical IT load that connects to only one power feed but should be configured for power redundancy Insight Control provides specitic recommendations for resolving this situation and other common errors found within the data center helping you work smarter Figure 5 Intelligent power discovery with Insight Control power management Console running HP Insight Control Server management network Eak E I 3 veee n eoe i bi o egppns pe wee ae Ae O26 8 TRITATE Data gathering and archiving HP Insight Control power management software provides a higher level of power monitoring and reporting functionality than the iLO controller alone Insight Control collects data from iLO and iPDUs about your systems power consumption inlet air temperature and processor utilization Insight Control can archive this information for up to three years This replaces guesswork with real data and lets you monitor power and thermal trends in your data center Figure 6 10 Figure 6 Power consumption graph in Insight Control showing the and average and peak observed power consumption and the power cap for a rack of servers Tools amp Links Evens Software Firmware Baselines Power Thermal Essent
25. r Rack mountable UPS solutions provide powerful performance while occupying minimal rack space leaving space to fit more IT devices Products sizes vary from 1U at 1500 VA to 6U at 12000 VA providing industry leading power density in terms of watts per U space They also deliver up to 97 efficiency Administrators can manage Rack mountable UPSs locally and remotely using HP Power Manager HP Power Manager is a web based application that lets you configure power failure settings and define UPS load segments for maximum uptime of critical servers If power fails HP Power Manager can shut down a load segment that is connected to less critical equipment and thus extend the runtime tor more critical equipment This type of automated energy management decision helps you work smarter For more information visit htto h18004 www1 hp com products servers proliantstorage power protection rackups index html Cooling Cooling the data center involves pumping in cold air while removing hot exhaust air Facilities administrators try to do both as efficiently as possible by following certain principles These principles include creating etticient airtlow and preventing the mixing of hot and cold air Traditional practices such as using raised floor plenums and having separate hot and cool aisles help accomplish this tor racks below about 10 kW Today s high density IT racks can generate signiticantly more heat creating hot spots that need supplemental coo
26. r html Optimizing facility operation in high http 7h20000 www72 hp com bc docs support SupportManual density data center environments c00064724 c00064724 pdf HP Rack Air Duct hito h18004 www1 hp com products servers proliantstorage rack options rack air duct index html HP Modular Cooling System http 7h20000 www2 hp com bc docs support SupportManual Generation 2 water cooling c01490034 c01490034 od technology HP Power Capping and Dynamic htto h20000 www2 hp com bc docs support SupportManual Power Capping for ProLiant Servers c01549455 c01549455 pdt htto h20000 www2 hp com bc docs support SupportManual c00300430 c00300430 pdf EP Power Adyeor htto www hp com go hppoweradvisor Power Regulator for ProLiant servers HP intelligent power infrastructure htto h20000 www2 hp com bc docs support SupportManual solutions c02505050 c02505050 pdf Send comments about this paper to TechCom HP com Follow us on Twitter http twitter com ISSGeekatHP Copyright 2011 Hewlett Packard Development Company L P The information contained herein is subject to change without notice The only warranties for HP products and services are set forth in the express warranty statements accompanying such products and services Nothing herein should be construed as constituting an additional warranty HP shall not be liable for technical or editorial errors or omissions contained herein Microsoft and Windows are registered trademar
27. r supplies work with input voltages from 100 to 240 V making them functional worldwide Administrators can use the HP Power Advisor utility at http 7h18004 www1 hp com products solutions power index html to select the right power supply for each server s configuration Read the HP Common Slot Power Supply technology white paper at http h20195 www2 hp com v2 GetPDF aspx 4AA3 2676ENW pdft tor more information 7 HP Power Regulator HP Power Regulator is an OS independent power management feature included on all HP ProLiant servers 200 series and above Power Regulator directly monitors processor utilization and uses this information to adjust the processor performance state frequency and voltage This gives processors full power when they need it and reduces power when they do not Read the Power Regulator for ProLiant servers technology brief at http h20000 www2 hp com bc docs support SupportManual c00300430 c00300430 pdft for more information Optimized fan power ProLiant ML DL and BL G6 and G7 servers include a sea of thermal sensors located throughout the server including components such as DDR3 DIMMs and hard drives The number of sensors varies by server platform The server uses the sensors to construct an accurate view of its internal thermal profile The server s iLO management controller uses a sophisticated control algorithm to set the speed for each internal fan based on the server s thermal profi
28. rs can disrupt some of the best power and cooling strategies In Cooling we describe HP products that improve cooling efficiency and eliminate issues caused by air mixing and hot spots One undisputable fact in all data centers is that you can t manage what you can t measure In Data center power management with HP Insight Control we describe the features that allow you to monitor and control the power consumption and thermal output of hundreds of systems using HP Insight Control power management When your data center can t keep pace with IT demand the budget pressure to do more with less precludes the option to build a new facility or expand your existing facility Therefore it s time to consider alternatives to the traditional brick and mortar data center In HP Performance Optimized Datacenters PODs we describe our family of modular PODs that can help you do more with less less capital power and footprint We develop HP power and cooling products and technologies around three strategies to help you manage the total costs of owning and operating a data center e Consume less power by increasing the efficiency of IT power distribution and cooling equipment e Fit more IT equipment into the available data center capacity by adjusting the power and cooling infrastructure for the real IT load e Work smarter by measuring every watt and degree and automating energy management decisions wherever possible ProLia
29. sed the design of the HP eco mode UPS and HP Rack mountable UPS on the basic principles we cited earlier to reduce power losses They enable a power distribution chain that is 84 to 86 efficient an improvement of about 10 percentage points over conventional distribution infrastructures HP eco mode UPS The HP R36000 3 parallel three phase UPS is a pre racked uninterruptible power system that provides 36 kilowatts kW of power or 24 kW with N 1 redundancy Housed in a single HP 10000 Series G2 42U rack it can be expanded to 60 kW with N 1 simply by installing up to three additional RP12000 3 UPS Modules Digital signal processing wireless paralleling and new on line on demand hybrid technology provides density redundancy efficiency and flexibility On line on demand combines the up to 97 efficiency of a line interactive UPS with the stability of a double conversion on line UPS when power fluctuates beyond acceptable limits Hot swappable batteries electronics modules and an automatic bypass reduce downtime in the event service is needed It uses advanced line interactive technology which monitors the power from the grid and passes it directly to the IT load as long as it meets specifications This eliminates the two conversions and consumes significantly less power HP Rack mountable UPS For dense data center environments we designed modular HP Rack mountable UPS products that allow administrators to add UPS capacity incrementally Ou
30. ystem The POD 20c is 20 feet 6 m long with 500U of rack capacity in ten 50U 19 inch 482 mm deep racks It offers capacity equivalent to a 2 000 ft 186 m traditional data center It provides up to 290 kW of non redundant power capacity or 145 kW of fully redundant capacity Facilities personnel can connect it directly into 480 V utility power and the chilled water system Figure 12 The design of the HP POD 40c Feeder box x3 sim Supports 3 400A Power Bus ways 4a Soy aria nl Ba Sto Sen Ss Ses PIT ERTAEN 12 Serviceable Heat Exchangers 4 Sets of double doors for rear service ee Fire Alarm Pull Switch D BMS panel Blower fans Smoke Box Fire Alarm Panel EPO panel BPMS panel De Hu midifier House panel Fan control panel Pull box Fire Alarm Pull Switch Blowers Slide out Heat Exchangers Hot and Cold Power Bus way water Pipes Circuit _ Breaker per POU Two Doors for Cold Four Sets Aisle ie of Rear Access Double EEF Doors For Service We engineered the HP POD 40c and 20c for the highest efficiency of a water cooled data center with standard air cooled IT The PODs minimize power losses by decreasing the number of power conversions High voltage 3 phase AC 400 480v AC depending upon location is used as the input to the POD and then delivered directly to the racks as separate single phase feeds for distribution to the servers
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