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1、CriticalStepsinStorageManagement:HowBusinessRequirementsShapePolicyDecisionsProf.PaulP.TallonCarrollSchoolofManagement,BostonCollegeChestnutHill,MA02467-3808©2003GlassHouseTechnologies,Inc.page1GlassHouseWhitepaperIntroductionTheterm“drowningindata”isparticularlyaptindescribingthegrowingvolumesofdatabeingcollectedbycorporationstoday.Asstoragehardwarecostsdecline,informationtechnology(IT)executivesinthesedata-intensivecorporationshavefeltnoneedtorationalizetheirstoragecosts,andsostoragepoliciesa。
2、ndprocedureshaveevolvedinahaphazardmanner.Unfortunately,manyoftheseITexecutivesareonlynowbeginningtorealizethatwhilehardwarecostshavefallen,overallstoragecosts–ofwhichhardwarecostsarebutonepart1–haveincreasedataratethatparallelsthegrowthinthevolumeofdata.Inanattempttocutcosts,hardwarevendorshavecontinuedtofocusontotalcostofownership(TCO)butthislargelyignorestheissuethatTCOisasymptomofalargerstorageenvironmentproblem–TCOitselfisnottheproblem.Anassessmentofthestorageenvironmentinmanycorporationswo。
3、uldrevealthatthetrueproblemisalackofappropriatestoragepoliciesandprocedures,orinparticular,amismatchbetweenbusinessrequirementsandthepoliciesandproceduresthatareputinplacetomeetthoserequirements.Anexampleofthiscanbeseeninthebackupproceduresimplementedbymanycorporations,wherefailuretosegmentdataaccordingtoitsvaluehasgivenrisetosignificantwasteandinefficiencyasdataisbacked-upontoinappropriatemediaorworsestill,criticaldataisnotbacked-upinamannerthatreducesbusinessrisk.Inappropriateprocedures,suchas。
4、this,areattheheartofthecostexplosionthatmanycorporationsareonlynowbeginningtoacknowledge.Fixingtheseproceduresisnon-trivial,however.Asshowninthefollowingdiagram,proceduressuchasprovisioningorbackupandrecoveryareanoutcomeofaprocessthatextendsallthewaybacktobusinessrequirementsandbusinessstrategy.Theexecutionofeachstepinthisprocessiswhatwillultimatelydeterminethesuccessofstoragemanagement.1Hardwarecostsaccountforonly20%oftotalstoragecosts(GartnerReport:Com-13-1217,2001).Costsrelatedtoadministratio。
5、n,downtime,hardwaremanagementandbackup/recoveryproceduresaccountforanadditional66%oftotalstoragecosts.©2003GlassHouseTechnologies,Inc.page2Figure:CriticalStepsintheStorageManagementProcessTheLinkBetweenBusinessStrategy,BusinessRequirementsandDataTheissueofbusinessstrategymayseemveryremotefromadiscussionofstoragemanagementbutasITexecutivesareincreasinglyseeing,dataultimatelyservebusinessneedsthatarelinkedtotheactivitiesinthebusinessstrategy.Forexample,indescribingstrategythroughthelensofvaluedisc。
6、iplines2,wecanseethateachdiscipline(operationalexcellence,productinnovationorcustomerintimacy)canbemappedintotheprocessesinthevaluechain.Adecisiontofocusonanyonedisciplinewillcreateaprioritylistingofprocesses,whichwill,inturn,definebusinessrequirementsarounddata.Forexample,corporationspursuingcustomerintimacycanexpecttofocusontwocoreprocesses:salesandmarketing,andservice.Datageneratedwithintheseprocesseswill,therefore,bemoreimportantthandatageneratedininboundlogistics,forinstance.Businessrequire。
7、mentswill,therefore,varythroughoutthevaluechainandsodatacollectedateachpointneednotbetreatedinaconsistentmanner.Someofthesedatawillbecriticaltothesuccessofthebusiness–otherdata,whileimportant,maybeofsecondaryvalueonly.Choiceofstrategyandthenatureoftheindustrymayalsobringsomeexternalfactorstobearonbusinessrequirements.Forexample,regulatoryrequirementsforfirmsinthehealthcareandbiotechnologysectorsmeansthatdatamustbestoredforspecificperiodsoftime.Thepossibilityofadataaudit,particularlyinthebiotechn。
8、ologysector,wherehistoricaldataonclinicaltrialsandotherformsoftestingarerequiredforFDAapproval,meansthatbusinessrequirementsareparticularlystringent.Businessrequirementscanalsobeshapedbyinternalfactors.Thelossofkeydataforanyextendedperiodoftimecanposeasignificantproblemtobusinesscontinuity,leavingopenthepossibilityofbadpressandthelossofcompetitiveadvantage.Value-at-risk–atechniquefromthefieldoffinancial2“TheDisciplineofMarketLeaders”byMichaelTreacyandFredWiersema,Addison-Wesley,1995.DataPolicies。
9、ProceduresBusinessRequirementsStrategyExternal:RegulatoryInternal:ValueatRiskValueChain©2003GlassHouseTechnologies,Inc.page3managementthatmodelsthevaluethatafirmstandstoloseintheeventofadisaster–canbeusedasaninputintobusinessrequirements.Companieswhoareunwillingtoaccepthighlevelsofvalue-at-risk,eitherbecauseofstrictregulatoryneeds(e.g.,FDAmandatedperiodsofdataretention)orbecauseofstrategicconcerns(e.g.,thelossofdataatapointalongthevaluechaincouldhaveseriousripple-effectsonprocesseselsewhereinthe。
10、valuechain)willfaceverydifferentbusinessrequirementsfromcompanieswherevalue-at-riskisloworofnoconsequence.Interestingly,corporationswhotriedtomovetowardsalowerTCOenvironmentmayhaverunfouloftheirdesiretomaintainvalue-at-riskatanacceptablelevel3.Also,theimplementationofstoragepoliciesandproceduresmayhavebeeninconsistentwithvalue-at-riskrequirements;forexample,valuabledataisbacked-upinfrequently,isnotreplicatedorisstoredinaninsecurelocation.Data-drivenStoragePoliciesOncecorporationshaveanunderstandi。
本文标题:存储管理的危机步骤怎样做商业政策决定(1)
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