Sponsored by Veeam - Conversational Geek · 2019-07-11 · Sponsored by Veeam Veeam® recognizes...
Transcript of Sponsored by Veeam - Conversational Geek · 2019-07-11 · Sponsored by Veeam Veeam® recognizes...
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SponsoredbyVeeam
Veeam®recognizesthenewchallengescompaniesacrosstheglobefaceinenablingtheAlways-OnEnterprise™,abusinessthatmustoperate24.7.365.Veeamhaspioneeredanew
marketofAvailabilityfortheAlways-OnEnterprise™byhelpingorganizationsmeetrecoverytimeandpointobjectives(RTPO™)oflessthan15minutesforallapplicationsanddata,througha
newsolutionthatdelivershigh-speedrecovery,datalossavoidance,verifiedrecoverability,leverageddataandcomplete
visibility.VeeamAvailabilitySuite™,whichincludesVeeamBackup&Replication™,leveragesvirtualization,storage,andcloudtechnologiesthatenablethemoderndatacentertohelporganizationssavetime,mitigaterisks,anddramaticallyreduce
capitalandoperationalcosts,whilealwayssupportingthecurrentandfuturebusinessgoalsofVeeamcustomers.
Foundedin2006,Veeamcurrentlyhas49,000ProPartnersandmorethan255,000customersworldwide.Veeam'sglobal
headquartersarelocatedinBaar,Switzerland,andthecompanyhasofficesthroughouttheworld.
Tolearnmore,visitwww.veeam.com.
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ConversationalBusinessContinuityandDisasterRecoveryforFinancialServices(MiniEdition)PublishedbyConversationalGeekInc.www.conversationalgeek.com
Allrightsreserved.Nopartofthisbookshallbereproduced,storedinaretrievalsystem,ortransmittedbyanymeans,electronic,mechanical,photocopying,recording,orotherwise,withoutwrittenpermissionfromthepublisher.Nopatentliabilityisassumedwithrespecttotheuseoftheinformationcontainedherein.Althougheveryprecautionhasbeentakeninthepreparationofthisbook,thepublisherandauthorassumenoresponsibilityforerrorsoromissions.Norisanyliabilityassumedfordamagesresultingfromtheuseoftheinformationcontainedherein.
TrademarksConversationalGeek,theConversationalGeeklogoandJ.theGeekaretrademarksofConversationalGeek®.Alltermsmentionedinthisbookthatareknowntobetrademarksorservicemarkshavebeenappropriatelycapitalized.Wecannotattesttotheaccuracyofthisinformation.Useofaterminthisbookshouldnotberegardedasaffectingthevalidityofanytrademarkorservicemark.
WarningandDisclaimerEveryefforthasbeenmadetomakethisbookascompleteandasaccurateaspossible,butnowarrantyorfitnessisimplied.Theinformationprovidedisonan“asis”basis.Theauthorandthepublishershallhaveneitherliabilitynorresponsibilitytoanypersonorentitywithrespecttoanylossordamagesarisingfromtheinformationcontainedinthisbookorprogramsaccompanyingit.
AdditionalInformationForgeneralinformationonourotherproductsandservices,orhowtocreateacustomConversationalGeekbookforyourbusinessororganization,pleasevisitourwebsiteatConversationalGeek.com
PublisherAcknowledgmentsAllofthefolksresponsibleforthecreationofthisbook:
Author: WayneDipchanProjectEditor: JPeterBruzzeseCopyEditor: JohnRughContentReviewer(s): KarlaReina
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The“Conversational”Method
Wehavetwoobjectiveswhenwecreatea“Conversational”book:First,tomakesureit’swritteninaconversationaltonesothatit’sfunandeasytoread.Second,tomakesureyou,thereader,canimmediatelytakewhatyoureadandincludeitintoyourownconversations(personalorbusiness-focused)withconfidence.
“GeekintheMirror”Boxes
Weinfusehumorandinsightintoourbooksthroughbothcartoonsandlightbanterfromtheauthor.Whenyouseeoneoftheseboxesit’stheauthorsteppingoutsidethedialogtospeakdirectlytoyou.Itmightbeananecdote;itmightbeapersonalexperience.
WithintheseboxesIcansharejustaboutanythingonthesubjectathand.Read’em!
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BusinessContinuityandDisasterRecoveryforFinancialServices
Financialserviceorganizationsfacethechallengeofa24/7/365operationalrequirement.Beyondconstantavailability,theyfaceabevyofchallengesrevolvingarounddatasecurity,protectionandintegrity.
ToaccomplishthisrequiresasolidBusinessContinuityandDisasterRecovery(BCDR)plan.
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Failuretoimplementone,playingthe“hope”vs.“plan”game,canleadtolostorcompromiseddata,whichwouldultimatelyleadtoreputationdamagefortheorganizationandotherdetrimentalconsequences.
ThePressuretoSucceedFinancialservicesaremadeupofmanymovingparts.Ontheonehand,youhavebankinginstitutions,creditunions,investmentfirmsandeveninsurancecompanies.Thesearehandlingstoreddatathatisgrowingyear-over-yearatanexponentialrate.
Thenyouhaveemployeesofthosevariousinstitutions.Theloanofficers,theinsuranceagents,stockandbondtradersandbrokers,thebankersandsoforth.Thesefolksneedtheirservicesreadyandavailableortheycan’tdotheirjobs.Theirdutiesincludevalidatingcreditapplications,obtainingcreditinformation,gettingquotesonpremiums,findingbuy/selltradepricesandmore.
Andfinally,youhavecustomerswhowishtoavailthemselvesofthesolutionsprovidedbythose
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services.Forexample,mostbankshavemobileappsthatallowindividualstomakedeposits,transferfunds,paybillsandchecktheiraccountbalances.Andpeoplehavegrownaccustomedtousingtheseservicesatanytimefromanywherethankstomobileappsandtheever-presentInternet.
Allsidesrequireandhavecometoexpectever-ready,always-availableservices.SuccessinprovidingthoseservicesfallstoITadministratorsanddecisionmakerswhoholdswayoverthesolutionsyourcompanywillultimatelydeliver.Theyaren’tjustgoingupagainsthardwareorsoftwarefailuresthatoccuraccidentallyorduetousererror,theymustalsobevigilantandonguardagainstcybercriminalsseekingtoeitherdisrupttheirbusinessflow(forprofitorothernefariouspurposes)oraccessandstealsensitivedata.
Thepressuretosucceedgoesbeyondtheneedsofyourfinancialservicesfirmandtheircustomers.Therearespecificregulatorycompliancerequirementsthatneedtobemetwhendealingwithconsumerinformation.AsaprofessionalinthefinancialITfield,youarelikelyfamiliarwiththefollowingregulatorystandards:
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• Gramm-Leach-BlileyAct(GLBA)–pertheFTC.govsitethisactrequiresfinancialinstitutions(companiesthatprovideloans,financialorinvestmentadvice,insuranceandsuch)toexplaintheirinformationsharingpracticesandrequiresthemtosafeguardsensitivedata.
• Dodd-FrankAct–Launchedafterthefinancialcrisisof2007,thiswasdesignedtoencouragethefinancialstabilityoftheUnitedStatesbyimprovingaccountabilityandtransparencywithinthefinancialsystem.Note:Dodd-FrankiscurrentlyunderrevisionastheFinancialCHOICEActwhichmightrollbackmanyoftheDodd-Frankprovisions.
• Sarbanes-OxleyAct(SOX)–Sarbanes-Oxleyrequirestheprotecting,securingandretainingoffinancialinformation.Banking,investmentandinsurancecompaniesallmustadheretothesestipulations.
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• PaymentCardIndustryDataSecurityStandard(PCIDSS)–Asecuritystandardforthoseorganizationsthathandlecreditcards(Visa,MasterCard,etc.)
• GeneralDataProtectionRegulation(GDPR)–anEUregulationthatwillhaveglobalimpactwhenitgoeslivein2018.GDPRisadataprotectioninitiativethatallowsindividualstorequesttheirpersonaldatabegiventothemordestroyed(akaright-to-be-forgotten).Failuretocomplywillresultinheavyfines.
Thesearejustahandful(literally…just5)ofthemany
regulatorycompliancelawsthatexist.It’sessentialforyoutoknowwhichonesapplytoyour
specificfinancialservicesorganization.
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BusinessContinuityBasics–BuildingBlocksforaSuccessfulBCDRPlanTheterm“BusinessContinuity”referstoacontinuationofyourcriticalbusinessapplicationsduringadisaster(man-madeornatural),outage,changestothebusiness,and/orcyber-attack.
Thebasicstepstoachievebusinesscontinuityarethesameforcompaniesofvaryingsizesandverticals.It’scrucialthatBCDRinfrastructurebeimplementedatthepointanapplicationisdeployed.
IfBCDRisbakedintotheprojectlifecycleandcreatedproactively,goingforward,allapplicationdeploymentswilladheretoyourplan.Therefore,havingateamdedicatedtoscalable,process-drivenBCDRplanning,testing,andimprovingiskeytoyoursuccess.
Twokeytermsyou’llhearoftenwhendiscussingbusinesscontinuityareRPOandRTO(orcollectivelyRPTOs):RecoveryTimeObjectives(RTO)andRecoveryPointObjectives(RPO).
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RTO–Theamountoftimeittakestorecoveranapplication,startingfromthetimeadisasterisdeclaredtowhenuserscanlogonagain.Simplyput,RTOistheamountoftimeyoucanbedown.Dependingontheapplication,theRTOmightbe0.
RPO–Thepointintimethatanapplication’sdataisrestoredcountingbackwardsfromthetimeofthedisaster.Thiscanbequantifiedbythinkingabouttheamountofdataintimethatyouarewillingtolose.Forexample,a15-minuteRPOmeansthatpostrecoveryyouwillloseupto15minutesofdata.Dependingonthefinancialsolutionwe’retalkingabouthere,15minutesmightnotbeacceptable.Again,theRPOmightbe0--azerodowntimetolerancepolicy.
Thefactisyou’renotgoingtoachieveanRTO/RPOof<15
minuteswithoutagreatdealofplanning,areasonablebudget,
andtherightthird-partysolution(s).
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Someofyoumayhavelegacyhardwareandsoftwareyou’reworkingwithandyoumightthinkwe’rejusttalkingaboutupdatingandmodernizingyourexistingenvironment.Butyouneedtodigdeeperhere.AfinancialinstitutionisgoingtohavetocreateaBCDRplanthatgoesaboveandbeyondtheaveragecompany.
Ideally,you’llputateamtogether(agovernancecommittee)todefineSLA’sforeachlevelofyourapplicationsbasedontheircriticalityandthendefinetheSLA’sintiers.
Oncethetiersaredefined,thegovernancecommitteeshoulddiscusseachapplicationinyourenvironmentanddecidewhichtieritshouldbeassignedto.Anynewapplicationsbeingintroducedtotheenvironmentsshouldbeassignedatierbeforebeingdeployed.
Yourtierscouldbedefinedasfollows:• Tier0withRTO0minutesandRPOof0minutes• Tier1withbothRTOandRPOupto15minutes• Tier2withRTOupto4hoursandRPOupto24Hours• Tier3withRTOupto1weekandRPOupto1week• Tier4BestEffort
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Infrastructureservicessuchasnetworkconnectivity,ActiveDirectory,DNS,DHCP,etc.allneedtobeaccountedforandassignedatier.Onefactortoconsiderishavingtheseservicesalreadyexistingontherecoveryside.Thiswillallowfailovertobequickerandmoreefficientastherewillbefewerservicesthatwillneedtobefailedoverandstartedwhenadisasteroccurs.
HavingasolidBCDRplaninplacenotonlymitigatesrisksandreducescostofdisruption,
butalsoopensdoorstofinancialinstitutionsmuchmoreeasily,helpstobuildcustomerconfidenceifcommunicated,preventssignificantharmtoyouremployees,yourimageandyourkeystakeholders,aswellasprovidescompliance
benefits.
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BusinessContinuityinReality–PracticalGuidelinesforITProfessionalsAlltheplanningandtheoryintheworldwon’thelpyouifyoudon’thavethetoolsyouneedtoexecuteyourplan.ModernBCDRincludesavirtualizationsolutionthatallowsforimmediatefail-overofyourVMs.Itincludesabackup/recoverysolutionthatcanhelpyougetbackupandrunningnomatterwhathashityourenvironment(fromahurricanetoaransomwareattack).Itincludesasecondarysitelocationwhichmaybeinthecloud.That’sthereality.Thereisnowaytoprovideenterprise-gradeBDCRwithoutthehelpofthird-partytoolstomakeithappen.
BackupStrategy
Beforeyouworryaboutavailabilityofservices,youneedtomakesureyouhaveawaytorecoverfromadisasteroutsidethescopeofyourwildestimagination.Andthereisonlyonewaytodothat:oldschoolbackupofyourdata.Thisisneededforrecoverabilitybutmayalsobenecessaryduetolawsthatrequirelong-termdataretention.
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The3-2-1planistoutedbymostITadministratorsasthebestapproachforabackupstrategy:3copiesofyourdata,2storedondifferenttypesofstoragemediaand1copyoff-site.
Tocreatethesebackups,you’llneedanenterprise-gradesolution--notjust“Joe’sBackupSolution”ifyouwanttodomorethanjusttakethebackup.Takingthebackupisjusthalfthebattle.Thekeyisrestoringit.Don’tforget:thatdatamustbeencryptedtoensuredataprivacy.
Let’sconsiderthatoff-sitecopyportionofthe3-2-1rule.Assumeyouhaveatleasttwodatacenters.Thesemaybebuildingsownedbythecompanyorrentedrackspaceinaco-locationdatacenter.Thecloudisalsobecomingmoreandmoreprevalentasadatacenterchoiceforcompanies.Evenifyouareusingon-premisesdatacenters,youshouldlookattoolsthatarecloud-ready.Thiswillgiveyoutheoptiontoleveragethebenefitsofthecloudinthefuture.Ahybrid-cloudmodelmightbeyourfirststeptowardstakingadvantageofthecloudwhileremainingon-premises.
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Beforechoosingacontinuitysolutionmakesureitisn’tjust
vaporware(goingtobedeveloped)ormagicware(too
goodtobetrueandnotpossibletobedeveloped).Talktoothers;seewhattheyareusing.Doyourhomework.
Logically,youhopenevertohavetouseabackup;youwantyourredundancyandresiliencytobesolid.Perhapsyouhaveworkedwithsomethinginthepastyoutrust.Oryouarelookingintoemergingtechnologiesandnewsolutions.Again,choiceshavetobemadeonwhichsolutiontouse.
RecoveryStrategy
Atthesametime,youplanyourbackups,youneedtoconsiderhowyouwillberecoveringthem.Insomecases,recoveryoptionsavailablebasedonthesolutionused–likeanabilitytorecoverapplicationitems,ordirectrecoveryintopubliccloudproviderssuchasMicrosoftAzure–andwillimpactyourbackupstrategy.
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Forexample,ifyouplantoleveragerestorestoAzure,youobviouslywilllookatthetechnicalrequirementsthatwilldefinewhatthebackupsneedtolooklikeforrecoverytobesuccessful.
So,asyouplanyourbackupstrategy,includetherecoverystrategyaswell,astheyarenotmutuallyexclusive.
VirtualizationFailover
Let’stalkabouthowyoucanachieveanRTOandRPOof0minutes.Toaccomplishthis,youwillhavetoemployanactive/activeVMfailoverconfiguration.Workloadsprovidingatier0servicewillneedtobeonlineandservicingrequestsinalldatacenters.Forthemostpart,infrastructureserviceswillfallintothistierandtheyusuallyhavebuilt-inmechanismstoassurethisactive/activeconfiguration.
WebapplicationscanalsobeloadbalancedbetweendatacentersbyusingappliancessuchasF5orNetScaler.Athickclientapplicationcouldbevirtualized,thenthepublicationoftheapplicationbetweenalldatacenterscouldbeloadbalanced
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usingtechnologiessuchasCitrixandApp-V.ThedatathatsupportstheseapplicationswillneedtobekeptinsynchbehindthescenespossiblyinSQLorOracleDBandflatimagefiles.
Yourmission-criticalfinancialapplicationswillalsofallintothistierastheywillneedtoproviderealtimedatatobothemployeesandconsumersofthefinancialinstitution.
RTOandRPOof15minutes.
Lesscriticalfinancialapplicationswillfallintothiscategory.Thesearetheapplicationswhereupto15minutesloss-of-dataisacceptable.
Theseworkloadswillneedtobereplicatedfromtheprimarydatacentertoanysecondarydatacenters(orthecloud)atintervalsof15minutes.Youareessentiallymakinganexactcopyoftheworkloadinthesecondarydatacenterandupdatingthatcopywithanychangesevery15minutes.Theconnectionbetweendatacentershaslimitedbandwidth(bandwidthsizewilldependonyourtypeofconnection).Thisconnectionmayalsobeusedforproductiontraffic.Therefore,thereisaneedto
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considertheamountoftrafficbeingreplicatedandhowoftenthatreplicationoccurs.Whendecidingwhattooltouse,youshouldlookattheWideAreaNetwork(WAN)replicationoptimizationfeatures(youmayalsoconsiderthrottlingbandwidthusedforreplicationonthenetwork)andtheabilitytoreplicateonlychangedblocks.
Somethingtokeepinmind:whenyoufirstsetupVMreplication,thereisarealpotentialtosaturatethebandwidthonthelinkbetweenyourdatacentersasyouwillbereplicatingthewholeVM.DependingontheamountandsizeoftheVMs,thebandwidthutilizationmayaffectyourproductiontrafficonthelink.It’srecommendedthatyouseedsecondarydatacenterswithyourVMsbeforeturningonreplication.
ThiswillaccomplishyourRPOof15minutesorless,butwhatabouttheRTOof15minutesorless?
Toachievethis,awell-orchestratedworkflowtoimplementtheBCDRstrategyisneeded.Mostsoftwaretoolsbuilttoperformreplicationincludeorofferanorchestrationtoolsetthatwillallowyoutomanage,monitor,andtroubleshootreplication.The
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toolsetwillallowyoutoeasilyfailoverandfailbackworkloadsfromtheprimarydatacentertothesecondarydatacenterswithinthe15-minuteRTOtolerance.Workloadscanalsobegroupedbydependency,thusmakingsureyoubringupservicesinthecorrectorder.
Iftherearetwophysicaldatacenters,theunderlyinghypervisorinfrastructurewillneedtobepresentandrunningatboth.Thereisalsotheoptiontoreplicateworkloadsintothecloudanduseadisasterrecoveryasaservice(DRaaS)offering.Thecloudoptionalleviatestheneedtohavethehypervisorlayersittingandwaitingforadisaster,soitmaybeamoreefficientsolution.Havingavailabilityextendedtothecloudwillhelpavoidthecostandcomplexityofhavingasecondaryoff-sitedatacenter.Butthatdoesn’tmeanthereisn’tacostinvolved.Weighyourcloud-basedoptionscarefully,lookingtoseeifyourbackupsolutionsupportsseamlessintegrationintocloudenvironmentslikeAWSandAzuretoenhancerecoveryability.
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ApplicationWorkloadFailover
Sofarwehavefocusedonacompletedatacenteroutageandtheneedtobringupalltheapplicationsinasecondarydatacenter.Amorelikelyscenariomaybejustoneapplicationfailingforsomereasonandtheneedtobringjustthatonesystemorserviceupinthesecondarydatacenter.Orchestrationtoolsmakethispossible.Youcanselecttheworkloadsyouwanttofailoverandgroupworkloadstofailoverasoneunit.Ofcourse,youwouldneedtokeepinmindyourIPstrategyandmakesuretheserviceisabletocommunicatewithotherupstreamordownstreamservices.
TestingYourBDCRSolution
Testingyoursolutionisamust.Anannual(ormorefrequent)disasterrecoverytestwillhelpensureyou’rereadyforanythingthatmaycomeyourway.Butit’snotaneasythingtodo.
TheamountofplanningandstaffinvolvedintheBCDRtestingdependsonthesizeoftheinfrastructure.Somecompaniescanturntheconnectivityofftotheprimarydatacenterandhave
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allinfrastructureandapplicationteamssignoffontheirpartoftherecovery.Thiswillhighlightanyinefficiencieswiththeplanoranyunexpectedresultsthatcanberemediatedbeforethenexttest.Ofcourse,thiswillneedtotakeplaceoutsideofregularbusinesshours.
Butwhatifyouhaveapplicationsthatneedtobeavailable24hoursaday,7daysaweekortheapplicationteamisonlyavailablefortestingduringbusinesshours?Forthose,looktoyourorchestrationtoolset.ManyofthesetoolsprovidefeaturesthatenableafullBCDRtestofaworkloadormultipleworkloadswhilekeepingtheproductionworkloadrunning.Thisisaccomplishedbybringingupthereplicatedworkloadsinthesecondarydatacenterwithinanisolatednetwork.TheisolatednetworkwillpreventduplicatenameandIPaddressconflictsonthenetwork.Thisfeatureallowstheapplicationteamtoconnecttotheapplicationfromwithintheisolatednetwork,testtheapplicationandeventuallysignoffonthesuccessofthetesting.Someorchestrationtoolsallowyoutotesttheinfrastructurepieceofafailoverwiththepushofonebutton.Reportscanbegeneratedandsentto
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managementforconfirmationoferror-freetesting.Hereagain,ofcourse,anyissuesencounteredneedtobedocumentedandremediatedandthentestedagaininthenextBCDRtestingcycle.
KeyTakeawaysProactiveBCDRplanning,implementation,testing,andtrainingshouldbeacornerstoneofyourbusinesscontinuitystrategy.Withtherightgovernanceinplace,coupledwiththetechnologyavailable,youcanhaveconfidencethatyoucanmeetyouragreeduponRPTO’sshoulddisasterstrike.
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NOTES
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NOTES
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