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Shenzhen

Polytechnic

CollegeofElectronicsandCommunicationEngineeringStorageCloudService–Elastic

Volume

ServiceTargetAfter

completing

this

course,

you

will

be

able

to:DescribeHuaweiEVSservice.Mastertheconcept,functionandapplicationscenarioof

EVS.EVS

ConceptElasticVolumeService(EVS)isakindofvirtualblockstoragedevicebasedondistributedarchitecture,whichcanbeelasticallyextended.EVScanberegardedasclouddiskservice.YoucancreateaElasticVolumeService(EVS)onlineandattachtothecloudserver.TheuseoftheElasticVolumeService(EVS)isexactlythesameasthetraditionalserverharddisk.ElasticVolumeService(EVS)isakindofvirtualblockstoragedevicebasedondistributedarchitecture,whichcanbeelasticallyextended.YoucancreateaElasticVolumeService(EVS)onlineandattachtothecloudserver.TheuseoftheElasticVolumeService(EVS)isexactlythesameasthetraditionalserverharddisk.Atthesametime,ElasticVolumeService(EVS)hasthecharacteristicsofhigherdatareliability,higherI/Othroughputandeasiertouse.Itissuitableforfilesystem,databaseorothersystemsoftwareorapplicationsthatneedblockstoragedevices.EVS

Product

StructureEVSEVSBackup

andcreatenewharddiskMonitortheinput-outputrateandinput-outputoperationrateofEVSECSEVSbackupCloud

monitoringBackuprecoverytoEVSCreate

backupUserscanattachtheEVSontheelasticcloudserver,andtheEVSsupportscapacityexpansion.TheEVSbackupserviceenablesbackupandrecoveryoftheEVS,andsupportsthecreationofanewEVS

throughtheEVSbackuptoimprovethedatareliability.Monitortheinput-outputrateandinput-outputoperationrateoftheEVSthroughthecloudmonitoringservice.EVS

Product

AdvantageEVSHighreliabilityHigh

performanceLarge

capacityEasytouseAbundantspecificationsHigh

reliability:

Multicopybackup

withdatapersistenceupto99.99995%.High

performance:

UltrahighIOEVS

with20000IOPSandthroughputupto350MB/s.Large

capacity:

Singleblockof

blockstoragecansupportupto32tb,andcanattach10clouddisks.Abundant

specifications:

ItprovidesthreekindsofharddiskswithcommonIO,highIOandultra-highIOperformancetomeettheneedsofdifferentbusinessscenarios.Fast

expansion:

Itcanbecreatedandattachedanytimeandanywhere,andthecapacitycanbeexpandedinminutes.EVS

Application

ScenarioTypical

application

scenarioScenario

descriptionNoSQL/relational

databaseHighperformanceandhighinput-outputraterequiredforstorageDatawarehouseRequirelargecapacitystorage,highbandwidththroughput,highinput-outputrateApplicationscenario:

NoSQL/relationaldatabase.Scenariofeatures:

ultra-highIOstoragetype,withstorageresourcesprovidedbySSD,featuringlowpowerconsumptionandhighperformance,meetingrequirementsofhighIOandlowlatencyofNoSQL/relationaldatabase,applicabletohighperformance,highinput-outputrateanddataintensiveapplicationscenarios.Configurationrecommendation:

elasticcloudserverEVS

(ultra-highIO)virtualprivatecloud.EVS

BillingEVS

willbechargedaccordingtotherulesofdiskcapacity,disktypeanddiskusagetime.Youcanchooseyear/month

p

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