Sun-T5440服务器架构

SUNSPARC®ENTERPRISET5440SERVERARCHITECTUREUnleashingtheUltraSPARC®T2PlusProcessorwithCoolThreads™TechnologyforMission-CriticalWorkloadsWhitePaperOctober2008SunMicrosystems,Inc.TableofContentsExecutiveSummary................................................1TheEvolutionofChipMultithreading(CMT).............................2BusinessChallengesforWeb2.0........................................2Rule-ChangingChipMultithreading(CMT)Technology.......................3TheSunSPARC®EnterpriseT5440Server..................................7TheUltraSPARCT2PlusProcessorwithCoolThreads™Technology...........12TheWorld'sFirstMassivelyThreadedSystemsonaChip(SoC)................12TakingChipMultithreadedDesigntotheNextLevel........................13UltraSPARCT2PlusProcessorArchitecture...............................15ServerArchitecture...............................................20System-LevelArchitecture............................................20ChassisDesignInnovations...........................................24SunSPARCEnterpriseT5440ServerOverview.............................26PCIExpressExpansionUnit...........................................29Enterprise-ClassManagementandSoftware............................32SystemManagementTechnology......................................32ScalabilityandSupportforCoolThreadsTechnology........................35SolarisCoolToolsforSPARC:PerformanceandRapidTime-to-Market...........41SunJava™EnterpriseSystem(JavaES)...................................43Conclusion......................................................45ForMoreInformation................................................461ExecutiveSummarySunMicrosystems,Inc.ExecutiveSummaryServingthedynamicandgrowingpaceofWeb2.0servicesdevelopmentandapplicationdeploymentisincreasinglychallengingfordatacenteroperations.Servicesneedtobeabletostartsmallandscaleveryrapidly,oftendoublingcapacityeverythreemonthsevenastheyremainhighlyavailable.ThesupportingITinfrastructuremustkeepupwiththeseenormousscalabilitydemands,withoutgeneratingadditionaladministrativeburden.Unfortunately,mostdatacentersarealreadyseverelyconstrainedbybothrealestateandpower—andenergycostsarerising.Thereisalsoanewappreciationfortherolethatthedatacenterplaysinreducingenergyconsumptionandpollution,andthisinformationisincreasinglyvisibleatboththecustomerandcorporateexecutivelevel.Asorganizationsseektoconsolidateredundantinfrastructure,simplifyadministration,andleverageunder-utilizedsystems,virtualizationtechnologyhasemergedasanextremelyimportanttool.Securitytoohasneverbeenmoreimportant,withtheincreasingmultifoldcostsofdatalossandcorruption,bothinfinancialterms,aswellaslosttrustanddamagetocorporatereputation.Perhapsmostimportantofall,systemsthatserveasconsolidationplatformsmustbeabletoscalerapidlyinmultipledimensions—intermsofcomputationalpower,memorycapacity,andI/Othroughput.Inaddressingthesechallenges,organizationscanillaffordproprietaryinfrastructurethatimposesarbitrarylimitationsonthemostdemandingmission-criticalapplications.EmployingUltraSPARC®T2Plusprocessors—anevolutionoftheindustry’sfirstmassivelythreadedsystemsonaChip(SoC)—theSunSPARC®EnterpriseT5440serveroffersbreakthroughperformanceandenergyefficiencytodriveWeb2.0infrastructureandaddressotherdemandingdatacenterchallenges.Astheindustry’sfirstquad-socketsystemssupportingSun’sCoolThreads™chipmultithreading(CMT)technology,theSunSPARCEnterpriseT5440serversupportsupto256threadsinonlyfourrackunits(RU)—providingmassivecomputationaldensitywhilestayingwithinconstrainedenvelopesofpowerandcooling.Beyondcomputationalcapacity,thisserveralsoprovidesverylargememorysupport(upto512GB)andextremelyhighlevelsofI/Othroughput,withuptofourtimestheI/Ocapacityofearliersingle-socketUltraSPARCT2implementations.SunSPARCEnterpriseT5440serversemployveryhighlevelsofintegrationandbalancedsystemdesigntoreducelatency,lowercosts,andimprovesecurityandreliability.WiththeseadvantagesandSun’sembeddedno-costvirtualizationsoftware,entiremulti-tierapplicationsandservicescanbeconsolidatedontoasingleSunSPARCEnterpriseT5440server.Betteryet,organizationsbenefitdirectlyfromhavingboththeprocessorandtheSolaris™OperatingSystem(SolarisOS)availableunderopensourcelicense—leavingorganizationsfreetoinnovateandjoinwithaworld-widetechnicalcommunity.2TheEvolutionofChipMultithreading(CMT)SunMicrosystems,Inc.Chapter1TheEvolutionofChipMultithreading(CMT)Byanymeasure,Sun’sfirst-generationCMTprocessorswereanunprecedentedsuccess.SunFire™/SunSPARCEnterpriseT1000andT2000serversbasedontheUltraSPARCT1processorwithCoolThreadstechnologywonenthusiasticpraise,andgeneratedthefastestproductrampinSun’shistory.Deliveringuptofivetimesthethroughputinaquarterofthespaceandpower,thesesystemsevengarneredthefirst-everrebatefromapowerutility1—atrendthatisbeingrepeatedacrosstheworld.NowCMTtechnologyisevolvingrapidlytomeettheconstantlychangingdemandsofawiderangeofWebandotherapplications.BusinessChallengesforWeb2.0MarkedbytheprevalenceofWebservicesandservice-orientedarchitecture(SOA),theemergingParticipationAgepromisesthe