双活数据中心与灾备解决方案-技术部分

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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基于虚拟化技术的业务连续性解决方案概览资源池vSpherevSpherevSphere本地站点灾备站点基于虚拟化层的异步复制基于硬件设备的同异步复制自动化应用切换管理城域集群应用感知的高可用性关键应用零停机保护在线迁移虚拟机，动态调配计算与存储资源VMotionandStorageVMotion高效的数据备份与恢复可通过运行计划与脚本实现自动化操作资源池vSpherevSphereDev/TestD

2、ev/TestDev/Test灾难恢复本地高可用数据保护方案特点与应用程序和操作系统无关与硬件设备无关完善的保护简单，经济3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

3、伸距离最大200KM，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.HighAvailability

4、FaulttoleranceAbilitytorecoverfromcomponentlossExample:HarddrivefailureHighavailabilityUptimepercentageinoneyearDowntimeinoneyear993.65days99.98.76hours99.9952minutes99.999“fivenines”5minutesX10支持多vCPU的容错技术InstantaneousFailover4vCPU4vCPUvSpherePrimarySecondary

5、FastCheckpointingFTsupportforupto4vCPUsProtectionforhighperformance,multi-vCPUVMsNew,morescalabletechnology:fastcheck-pointingtokeepprimaryandsecondaryinsyncOverviewProtectmission-critical,high-performanceapplicationsregardlessofOSContinuousavailability:zerodo

6、wntime,zerodatalossforinfrastructurefailuresFullyautomatedresponseBenefits11Targetingcross-continentaldistances–upto100msRTTsMaintainstandardvMotionguaranteesLeaderinVMflexibility功能简介PermanentmigrationsbetweendatacentersDisasteravoidance(DA)DR/DAtestingMulti-s

7、iteloadbalancingFollowthesunBenefits长距离vMotionvSphere6.0支持跨三层网络和跨vCenterServer的vMotions12vCenterAvailabilityRunvCenterServerapplicationinaVMRunvCenterServerdatabaseinaVMRunbothinsameVM?ProtectwithvSphereHAvCenterandDBVMrestartprioritysettoHighEnableguestOSandA

8、ppmonitoringAppHAcanprotectSQLServerdatabaseBackupvCenterServerVManddatabaseImage-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)