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NetApp idcesfoundation.docx

1、WHITEPAPEREnterpriseStorage:TheFoundationforApplicationandEnterpriseAvailabilitySponsoredby:NetAppAshishNadkarniApril2013IDCOPINIONApplicationandsystemsavailabilityntinestodefinehowmoderndatacentersaredesignedanddeployed.Continuousapplicationdataavailabilityisafundamentaldriverforstorageinfrastructu

2、reintodaysalways-onITdatacenters.ItisabusinessimperativetoreducetheoverallexpenditureonITinfrastructurewhilemeetingorexceedingperformancerequirementsandseamlesslyscalingstorageresourcesalongwithbusinessgrowth.Performanceandresourceobjectiveschangeovertime,buttheunderlyinginfrastructuremuststillprovi

3、dethecontinuousavailabilityofuserdatatotheapplication.Flexiblestorageinfrastructure,continuousdataavailability,andconsistentperformancereducetheup-frontcostofstorage,allowingbusinessestobuildouttheITinfrastructureaccordingtotheirbusinessneeds,withoutimpactingend-userapplications.Fromapurelystoragein

4、frastructureperspective,newertechnologiessuchasflash,clustering,andstorageoptimizationareenablingbusinessestoachievetheirservicelevelobjectivesinaneconomicallyefficientmanner:Storageclustering.Clusteredstorage(alsoknownasscale-outstorage)isgainingsolidpopularityasawaytobuildhighlyavailablestoragesys

5、temsthatcanachieve99.999%availabilityandhigher.Withfeaturessuchasnondisruptiveoperations(NDO),multiprotocolfederation,anddeepapplicationintegration,clusteredstorageisslowlyreplacingtraditionalscale-upstoragesystemsinthedatacenter.Flashtechnologies.Theuseofflashasaserver-andstorage-sidecachingmechani

6、smaswellasatierinthestoragesystemallowsthestoragesystemtoachievesuperiorperformancewithareducedfootprint,whichinturntranslatesintoreduceddatacenteroperationscosts.Cloud-enablingtechnologies.Theabilitytoconnecton-premisesstoragesystemstocloudstoragetechnologiesgivesnewmeaningtoenterpriseavailability.

7、Organizationscannowextendtheavailabilityoftheirstoragesystemstothecloudandallowforgreaterflexibilityintermsofdatamovementandarchiving.VendorssuchasNetAppareuppingthevaluepropositionbyofferingclusteredsolutionsthatarecompatiblewithlegacydeploymentscomplementedbyasetofprofessionalservicesofferings.Thi

8、smakesiteasierforbothorganizationswithexistingNetAppdeploymentstomigratetothenewsolutionsandorganizationsconsideringnewNetAppsolutionstodeploythemasagreenfieldsolution.NetApp,withitsprovenreliabilityintheindustryandbackedbycomprehensivemonitoringandreportingcapabilities,isusheringinaneweraofenterpri

9、seapplication,data,andinfrastructureavailability.INTHISWHITEPAPERThiswhitepaperexaminestheimportanceofapplicationandsystemavailabilityandhowagrowingnumberoforganizationsarecurrentlyaddressinghigh-availabilityneedswithrespecttotheirstorageenvironments.Itexplorestheimportanceofapplicationavailabilitya

10、ndtheunderlyingfoundationthatreliablediskstoragesystemsprovideamuchbroadersetofbusinessrequirementsandapplications.ThepaperthenfocusesondeploymentsofNetAppstoragesystemsandhowthesedeploymentshavemetorexceededcustomersexpectationswithgreaterthan99.999%(5-9s)availabilitybasedonNetAppsrigorousprocess,e

11、nabledbytechnologiessuchasarray-basedclusteringandnondisruptiveoperations.SITUATIONOVERVIEWIntroductionITenvironmentseverywhereareundergoingaquietmetamorphosisthattoucheseveryaspectofITfromstaffandhowtheyfunctiontoassetsandhowtheyareoperated.Eventodayandintheforeseeablefuturedatacentersformthecorner

12、stoneofITineveryorganization.Therefore,theattributesofITdirectlymaptotheattributesofthedatacenterinfrastructure.ITorganizationseverywherearelookingatnewerandmorecost-effectivewaystomakethisinfrastructurehighlyavailableandscalableandensurethatitofferslevelsofperformanceforanewgenerationofapplications

13、andusers.Giventheincreasingemphasisondatagrowth,changingaccessmechanisms,andnewerlayoutmodels,ITorganizationsarenaturallyplacingmoreemphasisontheservice-levelobjectivesofthestorageinfrastructure.TheImportanceofAvailabilityForagrowingnumberoforganizations,havingareliable,highlyavailabledatacenterinfr

14、astructureiscriticaltosuccess.DowntimeofanorganizationsITenvironmentandassiatedapplicationscanleadtolossofproductivity,customers,andcurrentorfuturebusinessopportunityallofwhichcanleadtolossofrevenueandprofit,negativebrandrecognition,andforpubliccompanies,anegativeinfluenceonstockpricesandmarketcondi

15、tions.Theimportanceofdatacenteravailabilitythereforeisnotlimitedtothelargestorganizationsorspecificindustries.Indeed,availabilityanduptimewillmeandifferentthingstodifferentorganizations,butthemovementtowardconstantuptimeanda24x7environmentcontinuestopermeatesmall,medium-sized,andlargeorganizationsac

16、rossanexpandingnumberofindustriesandapplications.Organizationsarepushingtheservice-levelobjectivesoftheirstorageinfrastructuretonewheights,demanding5-9savailability,always-onoperations,andtransparentdatamobility.ThisisforcingstoragesupplierssuchasNetApptorethinkhowtheydesigntheirsystems,usingtechnol

17、ogiessuchasaunifiedscale-outarchitectureandnondisruptiveoperationstoachievenewlevelsofavailabilityandreliability.AvailabilityintheEraofBigDataThegrowingdesireoforganizationstoengageinreal-timebusinesscontinuestobepervasiveanddisruptive.Withseveralcompleteandindependentdatasetsattheirdisposal,organiz

18、ationsareengaginginanalyticstobemoreefficientandmoreagileandtostayaheadoftheircompetitionineverywaypossible.Similartostringentservice-levelobjectives,theneedtoanalyzenewandexistingdatasetsandderivebusinessvalueisbeginningtotranscendbusinessesofallshapesandsizes.Theneedforhighavailability(HA)inthewor

19、ldofbigdatathusappliestoabroadspectrumofindustries.Whetherapplicationsanalyzehealthcarerecordsandusage,supporteducation,improvemanufacturingprocesses,supportorderfulfillment,ortrackonlinespending,asuccessfuloperationincreasinglydependsonsignificantuptimetosatisfybusinessneeds.Thecollection,analysis,

20、andstorageofrecordsgeneratedacrossthefollowingcategoriesfeedtcxJay,sbusinessanalytics:Transactionaldata.High-transactiondatabases,suchasthosedeployedtosupportfinancialinstitutions,greatlydependonahighlyavailabledatacenterinfrastructure.Theamountofdatastoredandprocessedbysuchdatabasescontinuestoincre

21、aseasorganizationsanduserscontinuetheirconquesttogodigital.Bigdata.Thestorageandcontinuousaccessoflarge,independent,andcompletedatasetscreatedfrominternaldatasourcesorstreamedvialivefeedsfromtheInternetrequireanimbleandscalableinfrastructure.Organizationscannolongerdiscarddatawithoutcheckingtoseeifi

22、tevenhastheremotestpossibilityofbeingusedtoimprovetheirbusinessprocesses.Thus,theyarestoringdatalongerandholdingontomoredata.囚Filedata.Thechangingdemographicsofinternalusersamobileandgloballydistributedworkforceaccessingtheirdataviaamultitudeofdevicesrequiresanagilefile-sharinginfrastructurethatisgl

23、oballyaccessibleandavailable.Organizationsarethusenteringanewphaseofthedata-drivenenterpriseonethatwillhaveanindelibleeffectondatacenterinfrastructure.ExaminingtheConvergenceofApplicationandStorageInfrastructureAvailabilityItisimportanttorecognizethattheoverallavailabilityofanyITsolutionisinfluenced

24、byseveralcomponents,includingtheapplicationitselfandassociatedsoftware,aswellasthehardwarecomponents,includingservers,networking,andstorage.OverallITavailabilityispredicatedonapplicationavailability,whichisbasedonsystemavailability,includingbothserversystemsandstoragesystems.ApplicationAvailabilityA

25、nyITsolutionconsistsofseveralcomponentsthatcanbeSimplisticallygroupedintosoftware(operatingsystemsandapplications)andhardware(infrastructure).However,itisnotuncommontoexpresssuchsolutionsintermsofasetofapplicationsandrelatedsoftwarerunningonspecifichardwareresourcessuchasservers,networking,andstorag

26、eassets.TheapplicationsthemselvesarefundamentallythelifebloodofthisITsolution,enablinganorganizationtoenhanceproductivity,streamlineandautomateprocesses,andleveragebusinessinformationtogeneraterevenue,improveprofitability,andcomplywithregulatoryorbusinessgovernance.Therelativeimportanceofanyoneparti

27、cularapplicationvariesfromorganizationtoorganization.Forinstance,oneorganizationmaytolerateanoutageinanapplication,suchasacollaborationsuitelikeSharePoint,whileanotherorganizationmayhavezerotoleranceforit.Similarly,thetypesandnumbersofapplicationsalsovarytremendouslyamongorganizations.Smallerorganiz

28、ationstendtohavefewerandlesscomplexapplications,whilelargerorganizationsareattheotherendofthespectrum.However,whetherorganizationsdeploycommondatabaseapplicationssuchasOracle,SAP,orSQLtosupportongoingbusinesstransactions;emailandmessagingapplicationssuchasMicrosoftExchange;orgeneralfile-sharingordir

29、ectoryservices,thedistinctionbetweenmission-criticalandmission-trivialapplicationscontinuestoblur.AResilientStorageInfrastructureastheFoundationforEnterpriseAvailabilityOrganizationshavealwaysreliedonhighlyresilientandavailablestoragesystemswhenbuildinganenterprisedatacenterinfrastructuretosupportmi

30、ssion-criticalapplications.However,inthefaceofrapidlychangingorevolvingtechnologiesinthedatacenter,thebusinessandoperationaldemandsplacedontheinfrastructurearechangingaswell.NewTechnologiesDominatingDatacenterTransformationDrivenbyanewsetofbusinessrealitiesinthedatacenter,organizationsareacceleratin

31、gtheireffortstoreduceandoptimizecapitalandoperationalITspending.Theyareseekingnewapproachesandtechnologies(serveranddesktopvirtualization,flashtechnologies,cloudconnectivity)thatcanhelpreduceorpossiblyeliminatetheamountofITequipmentneeded,makeexistingequipmentmoreefficientandeasytomanage,andatthesam

32、etimeoffermorepredictability,reliability,andoperationalefficiency.Fromastorageperspective,organizationsthatadoptthesenewtechnologiesintheirdatacenterinfrastructurehavetoensurethatthestorageinfrastructurescaleslinearlyasmoreapplicationsaredeployed.Severalelementsareessentialtodatacentertransformation

33、Guaranteedservicelevelsinsharedenvironments.Organizationswithshareddenselyvirtualizedinfrastructurehavetoensurethatservicelevelsaremetforalloftheirmission-andbusiness-criticalapplications.Theyhavetobeespeciallycarefulaboutsecurity,dataisolation,andscale-outcapabilities一wherecapacityandperformanceca

34、nbescaledindependentofeachother.囚Accesstodataiscrucial.JustasapplicationavailabilityisthefoundationforasuccessfulITdeployment,sotooisdataavailabilitythefoundationforasuccessfulandreliableapplicationdeployment.Foranyapplication,preservationofandcontinuousaccesstodataarecritical.Thelossofdataoraccesst

35、oitmeansdowntimeformostapplications.Thishasadirectimpact,whichplacesutmostimportanceontheavailabilityofbothprimaryandsecondarystoragesystemsthataredeployedtostore,provideaccessto,manage,andprotectbusinessdata.Integrationofstoragewithapplications.Storagesystemsthatareoptimizedtoworkcloselywithspecifi

36、capplicationsprovideanexcellentcustomerexperienceforavarietyofreasons: Theeaseofuseandtheeaseofmanagementofastoragesysteminsupportingaspecificapplicationcreateanimprovedcustomerexperience.Thecomplexitiesofallocating,administering,andmanagingstorageresourcestosupportaspecificapplicationcanbegreatlyre

37、duced.FordatabaseapplicationssuchasOracleorSQL,theworkingrelationshipbetweendatabaseadministratorsandstorageadministratorscanbedramaticallyimprovedifthestoragesystemistightlyintegratedwiththeperformanceandcapacitycharacteristicsrequiredbythedatabaseadministratortosupporttheapplication. Thetightinteg

38、rationandoptimizationofastoragesystemtosupportaspecificapplicationcangreatlyreducetheriskthatthestoragesystemmayfailinsupportingthatapplication.Thishastremendousimpactandfurtherincreasesthereliabilityandavailabilitycharacteristicsofthatstoragesystemtocontributetoapplicationavailabilityandultimatelyt

39、hesuccessoftheorganization.Customersamongorganizationsofallsizeshavecometorealizetheimportanceandbenefitofhavingstoragesystemsthatcanbeoptimizedtosupporttheirimportantapplications.Inaddition,customershavegrowntoexpectavailabilityonthesestoragesystemstobeextremelyhigh,asthissystemavailabilityiscritic

40、altosupportthedataaccessandultimatelytheapplicationavailabilitythatiscriticaltoasuccessfulorganization.Thisexpectationhasdrivenmanycustomerstoexploreoptionsbasednotonlyontypicalmetricsaroundperformance,capacity,scalability,andabilitytointegratewithspecificapplicationsbutalsoonthehighavailabilityandr

41、eliabilityofanygivenstoragesystem.THENETAPPSOLUTIONNetApp,oneoftheleadersinthestorageindustry,hasbeenofferinghighlyavailable,reliable,andscalablestoragesolutionsforovertwodecades.Itssolutionsareusedindatacenterinfrastructurebuildoutsbyorganizationsofallshapesandsizesinnearlyallindustriesandverticals

42、andsupportnearlyeverytypeandclassofapplicationusedinthedatacentertoday.WhileNetApphasdesignedgenerationsofdiskstoragesystemstoprovidehighlyreliabledataaccesstoapplications,itearnedareputationforsolutionsthatareeasytodeployandmanage.NetApprecentlyuppedtheantewiththeintroductionofclusteredDataONTAPame

43、chanismthatallowsmultipleindependentNetAppstoragesystemstobeclusteredtogethertoofferasinglefederatedsolution.WithclusteredDataONTAP,NetAppcanbuildonitscompellinghigh-availabilitycharacteristicsandofferevenhigherlevelsofavailabilityandscalability.Moreover,theclusteredDataONTAPsolutionappealstoexistin

44、gcustomersthatrelyonNetAppstoragetoserveasareliabledatafoundationforapplicationavailabilityaswellasnewcustomersthatareconsideringsuchasolution.NetAppsHigh-AvailabilityLineupWhenNetAppreleasedclusteredDataONTAPversion8.1,ittookcaretoensurethattheproductremainedcompatiblewfthNetAppsexistingsolutionlin

45、eup,offeringcustomersachoicebetweenthelegacy7-ModeandtheclusteredDataONTAPoptiononsystemsthatrunDataONTAP:FAS2200Series.Cluster-readysystemsthatscaleupto432TB,forentry-levelordistributedmidsizeenterprises囚FAS3100/3200Series.Systemsthatscaleto2,880TB,forgreatercapacity,availability,andperformancesupp

46、ortingbusinessandvirtualizedapplicationsinenterprises内FAS6200Series.Systemsthatscaleupto5,760TB,fordemandingdatacenterapplicationsandvirtualizedenvironmentsinenterprisesandserviceproviders(Ina24-nodecluster,capacityscalesupto69PB.)内V-3200/6200Series.Systemsthatofferstoragevirtualizationtechnologytol

47、everageexistingthird-partystorageassetsandbringthemundertheDataONTAPfederationlayerWhatmakesNetAppssolutionuniqueinthemarketisthatallFASandV-Seriessystemsarebuiltonacommonarchitectureandanoperatingplatform.Therefore,nearlyalloftheDataONTAPfeaturesandcapabilitiesareavailableacrosstheboard:Configurati

48、onflexibility.Allplatformscanbeconfiguredineither7-ModeorclusteredDataONTAP.WithclusteredDataONTAP1organizationscantakeadvantageofaglobalnamespacetoprovidewhatNetAppreferstoasnondisrptiveoperations,orNDO,todeployedapplicationsandenvironments.NDOessentiallyprovidescontinuousdataavailabilitywhenmoving

49、datawithinthecluster.Multiprotocolsupport.AllFASandV-seriesstoragesystemsoffermultiprotocolfunctionality,includingsimultaneousconnectivityviafile-basedprotocols(CIFSandNFS)orSANblockprotocols(FibreChannel,FCoE,andiSCSI).Additionally,NetAppwasoneofthefirstintheindustrytosupportpNFSonitsarrays.Extensivesoftwareportfolio.NetAppoffersanexpansivesuiteofsoftwaretoolsthatenhancethecustomerexperienceinavarietyofways.Alongwithprovidi

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