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11EMCGlobalEducation©2004EMCCorporation.Allrightsreserved.CLARiiONFoundationsEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.22CLARiiONFoundationsAftercompletingthiscourse,youwillbeableto:lDrawanddescribethebasicarchitectureofaCLARiiONDiskArraylDifferentiateamongthearchitecturesofthevariousCLARiiONmodelslListthedataprotectionoptionsavailableonCLARiiONlUsingadiagram,illustratetherelationshipbetweenCLARiiONphysicaldiskdrivesandLUNslExplainhowCLARiiONfunctionallyhandlesI/OrequestsfromthehostenvironmentlIllustratesomeofthehighavailabilityfeaturesoftheCLARiiONandhowthispotentiallyimpactsdataavailabilityEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.33CLARiiON’sEvolvingArchitectureNavisphereManagementSoftwareFLAREOperatingEnvironmentCX200CX400CX600FC4500FC4700FC5300FC5700FC5500SCSICLARiiONsCX300CX500CX700AX100200420022000–2001199919981997Pre-1997CX300iCX500iAX100i2005CX3-20CX3-40CX3-802006UltraScaleVersion1..Version19EMCGlobalEducation©2004EMCCorporation.Allrightsreserved.44FullyRedundantArchitecturefor24x7lDualMirroredStorageProcessors(upgradeable)–UpdateFLARE(operatingenvironment)online–ExpandCapacityonlinewithdisksanddiskarrayenclosures–RepairscanbemadewithArrayOnline–TransparentandAutomaticFailoveronfailureofSPs–HostHBA&SwitchFailoverautomaticandtransparenttoapplicationswithPowerPathlPower&Cooling–DualFANPacksifonesetfailstheotherspeedsuptokeepcoolingconsistent–QUADPowerSuppliesandStandbyPowerSourceforautomaticfailoverforpowerlossorpowersupplyfailure•OnPowerLoss,StandbyPowerSource/SupplyorSPStakesoverandpreservescontentsofCacheandshutsdownthearraytoinsurenodatalossEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.55ContinuousDiagnosticslFLARE*isconstantlylookingforpotentialcomponent,powerordatacorruption–StandbyPowerSuppliestesteddailytoinsurefailoverintegrity•Topreventpossibledataloss,CLARiiONarrayswillswitchovertotheSPS,writeorflushthecontentsofcachetothereservedareaonthefirst5disksandthenpoweroff.–PowerSupplyMonitoringforautomaticfailover–Proactivesystemchecksforpossiblecomponentproblemsleadingtofailure–GlobalHotSpareorSparestopreserveperformanceofRAIDsetsintheeventofdrivefailure•Uponreplacementofdefectivedisk,systemwillmovedatabacktoRAIDsetfromtheGlobalSpareandreleasespareforuse.*FLAREistheOperatingEnvironmentforCLARiiONStorageArraysEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.66AdvancedDataIntegritylAutomaticSNiiFFERdiagnosticreadsandrepairspotentialdisksectorproblemsinthebackground–Nohostinvolvement(nospecialsoftware)–AutomatedtoinsureoperationandeaseofmanagementlMirroredCacheDe-StagestoDiskuponfailure–HiddenReserveareanotvisibletousersoradministrators–CacheContentswrittentomultipledisks–AutomaticallywritestodisksuponresolutionoffailurelMirroredWriteCache–StorageProcessorsCacheisMirroredovertwodedicatedandprivatefiberchannels–BothStorageProcessorsalwaysreadytotakeovertheworkloadoftheotherintheeventofafailureEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.77TieredCapacitylMatchCapacityandDrivePerformancetomeetcustomersapplicationrequirements–73GB/146GB15,000RPM4GBFCdrivesforhighapplicationworkloadsandperformance–73GB,146GB&300GB10,000RPM2GBFCdrives–500GB7,200RPM2GBFCdrivesforCapacitylMix2Gb/s&4Gb/sDrivesonCX3UltraScalelMixandMatchRAIDtypestoapplicationneeds–RAID1/0fordatabaseandperformance–RAID3forimages,video,audio-largefiles–RAID5forgeneraluseincludingdatabaseandfilesharinglGlobalHotSpare–Takesoverwhenadrivefailsandoncethefaileddriveisreplaced,theGHSgoesbacktobeingahotspareEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.88ConfigurabilityFeatureslCLARiiONoffersmanyconfigurabilityoptionstomeetapplicationandchangingcustomerdemands.–Read/WriteCachesizingoptions•Arraylevel,Controllerlevel,Applicationlevel–CacheFlushing•LowWaterMark,HighWaterMark,Forced–RAIDtuning•StripeSize,SegmentSize–ControllerLevel•CTQ-commandtagqueuedepthlConfigurabilityfromtheHost–PowerPathforloadbalancingbetweenserverandstorage•AccessPriorityassignableformissioncriticalapplicationsEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.99lNavisphereManager–BrowserBasedforConfiguration,MonitoringandTuninglCommandLineInterface(CLI)–ConfiguringandTuning–ScriptablelNavisphereAnalyzer–Identifyperformanceproblems(optionforNavisphere)lCLARAlert–AutomatedFaultReportinglExpandLUNsusingMetaLUNs(collectionofdisks)liveforbettercapacityusageanddistributingdataforimprovedperformance.–Concatenatecapacity(adddiskstoendofexistingLUN)–StripeExpansion(incorporatedisksintoexistingLUN)lVirtualLUNMigrationManagementFeaturesEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.1010CLARiiONCX300l连接性–每个CX300有64个高可用性主机–主机：Windows、Linux、NetWare、Solaris、IBMAIX和HP-UX–四个前端主机端口（2Gb/s光纤通道）–二个后端2Gb光纤通道磁盘端口l可扩展性–每个CX300有512个LUN–可扩展至60个驱动器（SAN/直连/无交换机群集）–2GB缓存内存–通过“数据就地”升级轻松升级到CLARiiONCX500、CX700或CX3UltraScale系列l阵列软件–Navisphere管理套件–StorageAdministratorforExchange–SnapViewEMCGlobalEducation©2004EMCCorporation.Allrightsreserved.1111CLARiiONCX300il连接性–每个CX300i有64个高可用性Windows主机–四个前端千兆以太网主机端口–二个后端2Gb光纤通道磁盘端口l可扩展性–每个CLARiiO