IBM DS5020 技术文档

IBMSystemStorage©2010IBMCorporation靳楠IBM中国技术支持中心IBMDS5020TechnicalIntroductionIBMSystemStorage©2009IBMCorporation2AgendaƒOverviewƒDS5020ControllerƒDS5020PerformanceƒDS5020FeaturesƒDS5020StorageManager10.60ƒDSRSM1818-RS2StorageforaSmarterPlanetIBMSystemStorage©2010IBMCorporationIBMSystemStorageDS5020OverviewIBMSystemStorage©2009IBMCorporation4IBMMidrangeStoragePositioningSMB/Entry-levelWorkgroupDepartmentDataCenterHPCƒSAS,iSCSIconnectivityƒDAS/sharedDAS/IPSANƒSimplemanagementƒSnapshotreplicationƒiSCSI,FCconnectivityƒSharedDAS,smallSANƒSimplemanagementƒSnapshotreplicationƒFC,iSCSIconnectivityƒHomogeneousSANsƒPerformancevalueƒConfigurationflexibilityƒLocal/remotedatareplicationƒFCconnectivityƒHeterogeneousSANsƒHighestperformanceƒConfigurationflexibilityƒLocal/remotedatareplicationƒFCconnectivityƒSystemclustersƒGPFSƒMaximumbandwidthƒCapacitydensityDS3200,DS3300,DS3400•FC,SAS,iSCSIconnectivity•SAS,SATAdrives•Partitioning,FlashCopy,VolumeCopyDS4700►DS5020,DS4800►DS5100•FC,iSCSIconnectivity•FC,FDE,SATAdrives•Partitioning,FlashCopy,VolumeCopy,ERMDS5300•FC,iSCSIconnectivity•FC,FDE,SATA,SSDdrives•Partitioning,FlashCopy,VolumeCopy,ERMIBMSystemStorage©2009IBMCorporation5DS5020ExpressSpecificationOverviewDS5020Express(1814-20A)ƒFour8GbpshostinterfacesƒAdditionalfourhostinterfaces(optional)–8GbpsFCor1GbpsiSCSIƒ2or4GBofdatacacheƒFC/FDE/SATAdrives–FC:146.8GB,300GB,450GB(15K)–FDEFC:146.8GB,300GB,450GB15K)–SATA:750GB,1,000GB(7.2K)ƒInvestmentprotection–FeatureformigrationofEXP810sƒFour4GbpsFCdriveinterfacessupportuptosixEXP520(1814-20A)/Exp810expansionunits–Maxof112drivesIBMSystemStorage©2009IBMCorporation6DS5020ExpressSpecificationOverviewDS5020Express(1814-20A)ƒClientversion:10.60–Firmware:7.60ƒPremiumfeaturessupported:–Diskencryption–Partitioning–2,4,8,16,32,64,128–FlashCopy–upto8–VolumeCopy–EnhancedRemoteMirroring–upto64IBMSystemStorage©2009IBMCorporation7DS5020ExpressDiskSystem–ComponentsƒDS5020Expresscontrollerenclosure(1814-20A)–Dual-activecontrollers–16FC/FDE/SATAdrives–Host/SANconnections–Expansiondriveloops–Ethernetconnections–Battery–Hot-swappableCRUs–SwitchedarchitectureƒEXP520driveexpansionunit(1814-52A)–4Gb/sESMs–16FC/FDE/SATAdrives–Switchedarchitecture–Hot-swappableCRUs–Switchedarchitecture–RedundantpathingIBMSystemStorage©2009IBMCorporation8DS5020ExpressDiskSystemBackViewFrontViewPower/CoolingDrivesControllersIBMSystemStorage©2010IBMCorporationIBMSystemStorageDS5020ControllerIBMSystemStorage©2009IBMCorporation10DS5020ControllerArchitectureIBMSystemStorage©2009IBMCorporation11DS5020ExpressControllerComparisonsTwonative8GbpsFChostportsTwonative8GbpsFChostportsplusTwooptional8GbpsFChostportsTwonative8GbpsFChostports,plusTwooptional1GbpsiSCSIhostportsIBMSystemStorage©2009IBMCorporation12DS5020controllerwithfour8Gb/sFChostportsFCHostInterfaceCardIBMSystemStorage©2009IBMCorporation13DS5020ControllerBlockDiagramDS5020RAIDControllerInternaldualporteddrivebaysFCdrivechannelswitchinbackplane(SOC)MainfibrechannelinterfacechipFasterXORRaidprocessorFlashdrivefordirtydataInterfaceforoptionalHICTwostandard8GbpsFChostports4GbpsdrivechannelIBMSystemStorage©2009IBMCorporation14DS5020FibreChannelHostInterfaceCardDS5020HostInterfaceCardIBMSystemStorage©2009IBMCorporation15DS5020controllerwithtwo1Gb/siSCSIhostportsandtwo8Gb/sFChostportsiSCSIHICIBMSystemStorage©2009IBMCorporation16iSCSIHostInterfaceCardiSCSIHostInterfaceCardIBMSystemStorage©2009IBMCorporation17HotswapbatterybackupunitServiceActionAllowed(indicatesthatitissafetoremovethecomponent)-blueServiceActionRequired(fault)-amberChargingLED(flasheswhilecharging,solidwhenfullycharged)-greenIBMSystemStorage©2009IBMCorporationEnhancedDiskDriveModules(E-DDMs)ƒTheDS5020supportsbothFibreChannel(FC)andSATAE-DDMsintermixedinthestoragesubsystemdrivechassis.ƒTheDS5020supportsonly4GbpsFCspeedinthedrivechannel,eventhe3GbpsSATAE-DDMsoperateat4GbpsFibreChannelspeed.IBMSystemStorage©2009IBMCorporationEnclosureIDƒTheenclosureIDcomprisedoftwoseven-segmentnumbers.ƒItprovidesauniqueidentifierforeachenclosureintheDS5020storagesubsystemconfiguration.IBMSystemStorage©2009IBMCorporation20DriveExpansionEnclosuresƒOutoftheboxDS5020hasSub-modelID114whichallowsattachmentofEXP520enclosuresonly.ƒCustomerscanpurchaseafeaturepack(similartoapremiumfeaturekey),changetheSub-modelIDto121whichallowsattachmentofEXP520andEXP810.ƒAtotalof112driveslotsareallowed(6expansionenclosuresplustheDS5020),thesamenumberofdrivesallowedbytheDS4700ƒFDEdriveswillnotbesupportedintheEXP810enclosuresControllerA6GbFCChipLoopSwitchControllerB6GbFCChipLoopSwitch16drivesESMESMESMESMESMESMESMESMESMESMESMESMIBMSystemStorage©2009IBMCorporation21EXP520ExpansionUnitƒ16drivesin3Uenclosureƒ4GbpsFCinterfaces/ESMs–High-speed,low-latencyinterconnectfromcontrollerstodrivesƒSupportsintermixingFC,FDEandSATAdrives–MoreefficientuseofenclosuresƒUniquespeed-matchingtechnology–3GbpsSATAIIdriveseffectivelyrunat4GbpsspeedsƒSwitchedarchitecture–Driveisolation,betterdiagnostics–Higherperformance,lowerlatencyƒRoHScompliantƒNEBSlevel3certifiedIBMSystemStorage©