双活数据中心与灾备解决方案-技术部分讲课资料.pptx

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1、双活数据中心与灾备解决方案-技术部分臧铁军@VMwareGCHCOE云架构师议程1同城双活技术方案2异地灾备技术方案2议程1同城双活技术方案2异地灾备技术方案4双活数据中心在各个级别上全面保障可用性vMotion&DRSHA&FT服务器StoragevMotion，StorageDRS存储VMFSVMFS硬件热添加多网卡绑定存储多路径组件数据DataReplicationMetroCluster站点5双活数据中心总体架构双活存储集群站点A站点B延伸的vSphere集群>200km行为与单个vSphere相同延伸距离最大200

2、KM，通常小于50KM通过VMwareHA与vMotion实现自动的DR保护需要双活存储集群，如EMC的vPlex，NetApp的MetroCluster等6计算资源设计MakinganApplicationServiceHighlyAvailablevSphereHAvSphereAppHA8VMwarevFabric™tcServervSphereAppHAPolicy-basedProtectoff-the-shelfapps9FaultTolerancevs.HighAvailabilityFaulttoleranc

3、eAbilitytorecoverfromcomponentlossExample:HarddrivefailureHighavailabilityUptimepercentageinoneyearDowntimeinoneyear993.65days99.98.76hours99.9952minutes99.999“fivenines”5minutesX10支持多vCPU的容错技术InstantaneousFailover4vCPU4vCPUvSpherePrimarySecondaryFastCheckpointingF

4、Tsupportforupto4vCPUsProtectionforhighperformance,multi-vCPUVMsNew,morescalabletechnology:fastcheck-pointingtokeepprimaryandsecondaryinsyncOverviewProtectmission-critical,high-performanceapplicationsregardlessofOSContinuousavailability:zerodowntime,zerodatalossfori

5、nfrastructurefailuresFullyautomatedresponseBenefits11Targetingcross-continentaldistances–upto100msRTTsMaintainstandardvMotionguaranteesLeaderinVMflexibility功能简介PermanentmigrationsbetweendatacentersDisasteravoidance(DA)DR/DAtestingMulti-siteloadbalancingFollowthesun

6、Benefits长距离vMotionvSphere6.0支持跨三层网络和跨vCenterServer的vMotions12vCenterAvailabilityRunvCenterServerapplicationinaVMRunvCenterServerdatabaseinaVMRunbothinsameVM?ProtectwithvSphereHAvCenterandDBVMrestartprioritysettoHighEnableguestOSandAppmonitoringAppHAcanprotectSQLSer

7、verdatabaseBackupvCenterServerVManddatabaseImage-levelbackupforvCenterServerVMApp-levelbackupusingagentfordatabasebackup13网络资源设计双活数据中心网络架构物理二层(裸光纤)逻辑二层层叠网络/VPN二层分段VMVMVM二层分段VMVMVM二层网络扩展的二层网络(二层内容在数据中心互连链路上传递)站点A站点B二层网络15NSXvSphereMulti-SiteUseCasesNSXforvSpheresupp

8、orts3differentMulti-SiteDeploymentModelsVXLANwithStretchedClusters(vSphereMetroStorageCluster)VXLANwithSeparateClustersL2VPNAllsolutionsprovideL2