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Exchange 2010 & 2013/2016 ESRP performance report SilvertonConsulting,Inc.StorInt™Briefing ThisStorageIntelligence(StorInt™)dispatchcoversMicrosoftExchange2010andExchange2013/2016SolutionReviewProgram(ESRP)results1.Sincewelastreviewedthis5000andovermailboxcategoryninemonthsago,therehavebeenatleast17newsubmissionsfromNutanix(1),PureSystems(1),Tegile(1),Oracle(1),InforTrend(2),Lenovo(2)andDell(9).AfewoftheseareAFA(Pure&Tegile)andsomearehybrid(Oracle,Nutanix&Lenovo).Justabouteveryoneofourtop10chartshavechanged.Weselect3ofthesetoshowbelow.

LatestESRPV3.0&4.0(E2010&E2013)performanceInFigure1weshowourExchangedatabaseaccesslatencychart.

Figure1SCI’sESRPreportedaccesslatencies(sortedbyreadlatency)

1ESRPresultsfromhttps://technet.microsoft.com/en-us/office/dn756396.aspxasof25Oct2016

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InFigure1Oracle,PureandTegilearenew.HerewecanseetheinfluenceofAFAandhybridstoragebothofwhichprovidegreatdatabaseaccesslatencies.TheOracleFS1-2hadareadlatencyof1.0msecwhilePureandTegiletiedfor2ndwitha1.1msec.readaccesslatency.Databasewritelatencyshowsawholeothersidetothesesystems.Pureperformedbestwithawritelatencyof1.6msec,whileOracleprovided1.8msec.andTegilesupplieda3.1msecwriteresponsetime.AFAandHybridstorageperformworseforsmallblockwritesversusread,butforPureandOracle.theystillrespondmuchfasterthandisk-onlysolutions.Ontheotherhand,Logwritelatencyisameasureoflargeblocksequentialwriteactivity.AFAsgenerallycanperformbetteronlargerthansmallwrites,butsurprisingly,Pure’s#1logwriteresponsetimeof0.41msecwasonlyslightlybetterthanthealldisk,IBMStorwizeV5000system.Largesequentialwritesstillperformverywellondisk.Next,wereportonESRPLogplaybacktimeinFigure2

Figure2ESRPTop10LogPlaybackresults

InFigure2,Pure(#2),Oracle(#4),Tegile(#5),andthetwoDellMD3860f(#8&#10)storagesystemsareallnew.WeliketheLogPlaybackmetricbecauseitisamixtureof

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largeblock,readsequentialandsmallblock,databaseupdates(read/writes).RecallthatESRP’sLogPlaybackistheaveragetimeittakestoplayback1logfile(1MB)againstasingledatabase,averagedacross10Kruns.HybridandAFAsarenotasdominantinlogplaybackasinaccesslatencyabove.Thecurrent#1inESRPLogPlayback(HP[E]4400EVA)wasanalldisk,mid-rangesystem.ThenewDellsystemsareamidrange,alldisk,FCdirectsubmissions(FCattachedwithnoswitch)runningwith15Kand20Kmailboxes.Finally,wepresentinFigure3,ournormalizedDBtransfers/second/1Kmailboxes.

Figure3SCITop10ESRPDBtransfers/secondnormalizedfor1Kmailboxes

InFigure3,theonlynewsubmissionisthePureFlashArray//m20whichcamein2ndwith751readand373writedatabasetransfers/secondper1000mailboxes.The#1,HP(E)3PARstorageused1202TBdiskdrivesandthe#2PureFlashArrayhad20SSDs,showingthatthere’sasignificant(~6:1)performanceadvantageonaone-to-one,perdevicebasis.It’ssurprisingtherearenootherhybridorAFAsubmissionsinFigure3.ButthismaybeproofofPure’sarchitecturesophisticationascomparedtotheothernewAFA/hybridsolutions.

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SummaryWe’realwayshappytoseenewsubmissions.WefirmlybelievethatESRPisthemostcomprehensive,realworldmeasureofstoragesystemperformancethatexiststoday,evenifMicrosoftwillnotcallita“benchmark”.MoreAFA’sandhybridstoragearegoodtoseeastheybothseemtohavetakenoverthemarketforenterprisestorage.Ontheotherhand,howAFAcompression/deduplicationimpactESRPactivityisunknown.ESRPneedstoreportrealizedcompressionanddeduplicationratios,atleastforAFAs,asitmayprovideasignificantperformanceadvantage.AlsoAFAsubmissionsneedtofullydetailcompression/deduplicationstoragesettingsfordatabaseandlogdevices.IfyouareinterestedinevenmoreinformationonblockstorageperformancepleaseexamineourSANStorageBuyingGuideavailableforpurchaseonourwebsite,whichincludesChampionCharts™forOLTP,ThroughputandEmailworkloadsacrossenterprise,mid-rangeandSMBstoragesystemsandnowincludesanallflasharray(AFA)ChampionsChartforOLTP.UsetheQRcodebelowleftformoreinformationontheSANStorageBuyingGuide.WealsoprovidesomeadditionalESRPresultsanalysisinourrecentlyupdated,SAN-NASBuyingGuide,alsoavailableonourwebsite.ConstructivecommentsonhowtoimproveouranalysesforExchangeoranyofourperformancereportsarealwayswelcome.Moreover,ifyoudetecterrorsinthisoranyofourotherperformancereports,pleasedoletusknowandwewillcorrectthemassoonaspossible.Ifyoureceivedthisreportfromsomeoneelse,pleaseconsidersigningupforyourownfreecopyofSCI’sStorageIntelligence(StorInt™)monthlye-newsletterusingtheQRcodebelowright.Weprovidecommentaryonrecentmajorstoragesystemannouncementsaswellasanalyzecurrentstoragesystemperformanceresults/benchmarkseverymonth.WeplantoanalyzeMicrosoftESRPresultsagaininthreemonths.

Silverton Consulting, Inc., is a U.S.-based Storage, Strategy & Systems consulting firm offering products and services to the data storage community.

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