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©2008HitachiDataSystemsAMS2000Mid-rangecompetitiveanalysisYuxiangTechnicalConsultant2©2008HitachiDataSystemsHitachiStoragePlatformsWMS100AMS200AMS500AMS1000USPVUSPVMNewAMS2100AMS2300AMS2500所有系列均由一套集成软件管理所有型号均用于多层存储先进中档存储系统智能虚拟化存储控制器小企业或部门大型企业中型企业或部门使用产品的公司的规模所需功能3©2008HitachiDataSystemsHDSNEWAMS2000ModularStorageThroughputScalabilityAMS21004-8GBCache4个FibreChannelor4个iSCSIAttachMixUpto120SATAIIAndSASDisksUpto118TBsUpto2048LUNsUpto512HostsAMS23008-16GBCache8个FibreChannelor4个iSCSIAttachMixUpto240SATAIIAndSASDisksUpto236TBsUpto4096LUNsUpto1024HostsAMS250016-32GBCache16个FibreChannelor8个iSCSIAttachMixUpto480SATAIIAndSASDisksUpto472TBsUpto4096LUNsUpto2048Hosts升级升级SMS1002GBCacheiSCSI4,6or12HDDsSASorSATAIIUpto9TB128LUNSandHosts4©2008HitachiDataSystemsSAS后端显著的性能和可靠性灵活部署混合配置SAS和SATA驱动器FibreChannel和iSCSI主机接口绿色环保SATA-II驱动器的自动省电机制和可预定义的驱动器停转久经考验的数据复制系统内建和远近程系统间操作创新的高端技术全新的支持负载均衡的对称双活控制器HitachiAMS2000产品家族面向未来的AMS2000高可用系统99.999%数据可用性210023002500划时代意义5©2008HitachiDataSystems痛点挖掘:困扰用户的存储问题?•前端–前端端口数量少–前端端口流量负载均衡只能在同一控制器上–该如何选择前端端口类型•后端–海量数据的写入或读出,但后端的处理能力始终不能跟上前端–随着磁盘的数量增多不能保证而且单个磁盘或RAID组性能–现有的二级存储介质不能紧密地和在线介质耦合•内部架构–控制器间的数据交换路径通道带宽小–控制器内的Cache容量容量小–控制器间的基于LUN的动态负载均衡不能实现–微码的升级必须需要多路径软件链路以及软件的配合AMS2000如何解决这样的困扰?6©2008HitachiDataSystemsAMS2000新技术如何来解决这些问题?--前端PathmanagementsoftwarePathmanagementsoftwarePathmanagementsoftwareCTL0CTL1LU0LU1LU2Host0Host1Host2Active-Active•HDS在原有产品基础上将前端端口数量增加了一倍•由于磁盘阵列前端端口可以被两个控制器共享,故此,在磁盘阵列前端连接主机时提供了真正的双Active技术•HDS提供的新产品中提供FC和ISCSI端口作为前端端口供用户选择CTL0CTL1PortPortLU1AMS2000familyLU0PCI-Express2GBX双向7©2008HitachiDataSystems创新技术如何来解决这些问题?--内部架构•HDS在原有产品基础上将Cache容量增加了一倍•利用了PCI-E路径的高速带宽,使前端可以进行AnytoAny的数据访问AMS2000familyFCDCTLCTL0CTL1DCTLFCCacheCacheCS/DSCS/DS(1)Hostcommandrecv.(2)StartdatatransferControlpathDatapathMPUdatacommandMPU8©2008HitachiDataSystems创新技术如何来解决这些问题?--内部架构CTL0CTL1CTL0CTL1AutomaticLoadBalancingMPUMPUMPUMPUI/Orequestover1MPUmaximumthroughputportportportportI/Orequesttothe1portcanbeprocessedbytwoCTLs•当某一控制器处理器的压力过大时,通过控制器内部数据链路的切换的方式,用以保证控制器处理器的负载均衡。9©2008HitachiDataSystems创新技术如何来解决这些问题?--后端高速的传输带宽–HDS磁盘阵列内部采用了最新的SAS结构,在磁盘数量逐渐增长后,每块磁盘的带宽均为3Gbps,故此不会因为磁盘数量的增多而导致每块磁盘的带宽变小。–HDS中高端SAS后端总带宽=32*3Gbps=96Gbps,中低端=16*3Gbps=48Gbps12GbpsSwitch(Expander)SAS_CTLSwitch(Expander)SATAAAMuxSASSATAAAMuxSASSwitch(Expander)SATAAAMuxSAS3Gbps4WideLink3Gbps4WL4WLSAS_CTL8port4WL4WLCTL0CTL1MPUMPUDCTLDCTLFrontendSASBufSASBufSASBufSASBufSASExpander24portSATAAAMux・・・4WLExpander24portENC0ENC14WL4WL4WLFrontendExpansionunitBaseunitcablecableSASBufSASBuf4WL4WLSASBufSASBuf4WL4WLSAS_CTL8portSAS_CTL8portSAS_CTL8port10©2008HitachiDataSystems创新技术如何来解决这些问题?--后端单个FC-AL带宽:4Gbps或8Gbps单个Expander带宽:72Gbps单个磁盘扩展笼内磁盘总带宽为:16Gbps或32Gbps=4*4Gbps或8Gbps单个磁盘扩展笼内磁盘总带宽为:90Gbps=15*3Gbps*201214ExpanderExpander…...0123FC-ALFC-AL11FC-ALFC-AL…...121314…...海量的扩展性11©2008HitachiDataSystems创新技术如何来解决这些问题?--SAS磁盘Specifications146GB146GBModelNumberST3146356SSST3146356FCInterfaceSAS3Gb/sFibreChannel4Gb/sCache16MBytes16MBytesCapacity146GB146GBArealdensity(avg)165Gbits/inch2165Gbits/inch2PHYSICALHeight(max)26.11mm(1.028inches)26.11mm(1.028inches)Width(max)101.85mm(4.010inches)101.85mm(4.010inches)Length(max)146.99mm(5.787inches)146.99mm(5.787inches)Weight(typical)674grams(1.487pounds)674grams(1.487pounds)PERFORMANCESpindleSpeed15,000rpm15,000rpmInternal(Mb/s)1051to22251051to2225Sustained(MB/s,1000x1000)171to110171to110Averagelatency2.0msec2.0msecRandomreadseektime3.4msec3.4msecRandomwriteseektime3.9msec3.9msecRELIABILITYMTBF1,600,000hours1,600,000hoursAnnualFailureRate0.55%0.55%POWERMaximumstartcurrent,AC3.88amps3.90amps12©2008HitachiDataSystemsHDS中端产品的竞争CompetitorProductsCompetitorComparableProductsAMS2100AMS2300AMS2500EMCCX4-120/240CX4-240/480CX4-480/960IBMDS4200,DS4700DS4800/DS5100DS5300HPEVA4100,EVA4400EVA6100/8100EVA8100?NetAppFAS2050FAS3140FAS3170CompetitivepositioningwillbesimilartocurrentWMS/AMSproductpositioning13©2008HitachiDataSystemsEMCCX系列服务级别可扩展性CX4-480•最多480个驱动器•16GB缓存•标配8个光纤通道/4个iSCSI•最多24个前端光纤通道和/或iSCSI•闪存驱动器CX4-960•最多960个驱动器•32GB缓存•标配8个光纤通道/4个iSCSI•最多32个前端光纤通道和/或iSCSI•闪存驱动器CX4-240•最多240个驱动器•8GB缓存•标配4个光纤通道/4个iSCSI•最多20个前端光纤通道和/或iSCSICX4-120•最多120个驱动器•6GB缓存•标配4个光纤通道/4个iSCSI•最多16个前端光纤通道和/或iSCSI新14©2008HitachiDataSystems闪存驱动器IOPS快30倍的第“0”层存储虚拟资源调配提高利用率,简化资源调配驱动器降速、低功耗SATAII驱动器、自适应冷却提高能效的新技术并行本地和远程(CLR)复制集成的RecoverPoint拆分器可简化部署UltraFlex技术双协议、可热插拔,并且支持未来技术CLARiiONCX4新一代体系结构新一代创新型中端产品64位FLARE和多核处理器双倍性能和规模新15©2008HitachiDataSystemsEMCCLARiiONCX4Flash-basedDriveTier-0ILMFeatureAnnouncementHitachiCLARiiONCX4Flash-basedDriveCompetitivePositioning•FlashSSDaredesignedtosupportcacheunfriendlyrandomreadworkloads•CachefriendlyandsequentialworkloadswillperformequalorbetteronconventionalHDD•EMCSSDareapproximately22xmoreexpensivethenhigh-performanceFibreChannelHDD•FlashSSDareonlyavailableontheCLARiiONCX4-480andCX4-960models•TheMTBFofFlash-basedDrivesisunproveninenterprisecomputingenvironments•Finitewrite-thresholdsofFlash-basedDrivesintroduceunknownavailabilityexposuresduetowritesaturation16©2008HitachiDataSystemsEMCCLARiiONCX4VirtualProvisioningF
本文标题:new-HDS AMS2000产品竞争分析
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