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,Click to edit Master title style,#,#,Copyright2012 Huawei Technologies Co.,Ltd.All Rights Reserved.,The information in this document may contain predictive statements including,without limitation,statements regarding the future financial and operating results,future product portfolio,new technology,etc.There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements.Therefore,such information is provided for reference purpose only and constitutes neither an offer nor an acceptance.Huawei may change the information at any time without notice.,HUAWEI ENTERPRISE ICT SOLUTIONS,A BETTER WAY,HISILICON SEMICONDUCTOR,Page,#,HUAWEI TECHNOLOGIES CO.,LTD.,Page,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,英文标题,:32-35pt,颜色,:R153 G0 B0,内部使用字体,:,FrutigerNext LT Medium,外部使用字体,:Arial,中文标题,:30-32pt,颜色,:R153 G0 B0,字体,:,黑体,英文正文,:20-22pt,子目录,(2-5,级,):18pt,颜色,:,黑色,内部使用字体,:,FrutigerNext LT Regular,外部使用字体,:Arial,中文正文,:18-20pt,子目录,(2-5,级,):18pt,颜色,:,黑色,字体,:,细黑体,配色参考方案:,建议同一页面内不超过四种颜色,以下是组配色方案,同一页面内只选择一组使用。,(仅供参考),客户或者合作伙伴的标志放在右上角,.,#,HISILICON SEMICONDUCTOR,Page,#,HUAWEI TECHNOLOGIES CO.,LTD.,Page,#,单击此处编辑母版标题样式,单击此处编辑母版文本样式,第二级,第三级,第四级,第五级,英文标题,:32-35pt,颜色,:R153 G0 B0,内部使用字体,:,FrutigerNext LT Medium,外部使用字体,:Arial,中文标题,:30-32pt,颜色,:R153 G0 B0,字体,:,黑体,英文正文,:20-22pt,子目录,(2-5,级,):18pt,颜色,:,黑色,内部使用字体,:,FrutigerNext LT Regular,外部使用字体,:Arial,中文正文,:18-20pt,子目录,(2-5,级,):18pt,颜色,:,黑色,字体,:,细黑体,配色参考方案:,建议同一页面内不超过四种颜色,以下是组配色方案,同一页面内只选择一组使用。,(仅供参考),客户或者合作伙伴的标志放在右上角,.,HUAWEI ENTERPRISE ICT SOLITIONS,A BETTER WAY,#,单击此处编辑母版标题样式,0,128,203,0,69,139,191,217,241,标准色和重色,#,#,#,Copyright2012 Huawei Technologies Co.,Ltd.All Rights Reserved.,The information in this document may contain predictive statements including,without limitation,statements regarding the future financial and operating results,future product portfolio,new technology,etc.There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements.Therefore,such information is provided for reference purpose only and constitutes neither an offer nor an acceptance.Huawei may change the information at any time without notice.,HUAWEI ENTERPRISE ICT SOLUTIONS,A BETTER WAY,单击此处编辑母版标题样式,0,128,203,0,69,139,191,217,241,标准色和重色,#,#,Copyright2012 Huawei Technologies Co.,Ltd.All Rights Reserved.,The information in this document may contain predictive statements including,without limitation,statements regarding the future financial and operating results,future product portfolio,new technology,etc.There are a number of factors that could cause actual results and developments to differ materially from those expressed or implied in the predictive statements.Therefore,such information is provided for reference purpose only and constitutes neither an offer nor an acceptance.Huawei may change the information at any time without notice.,HUAWEI ENTERPRISE ICT SOLUTIONS,A BETTER WAY,Click to edit Master title style,构建永不宕机的信息系统,华为双活数据中心,构建永不宕机的信息系统,华为双活数据中心解决方案,目录,案例分享,1,2,华为双活数据中心解决方案目录案例分享12,存,储层,应用层,华为双活数据中心端到端技术架构,就近资源访问,数,据中,心,A,LB,LB,LB,LB,数,据中,心,B,LB,LB,LB,LB,就近资源访问,双活存储层,双活访问、数据,零,丢失,异构阵列,双活应用层,Oracle RAC,、,VMware,、,FusionSphere,跨,DC,高可用、负载均衡、迁移调度,双活网络层,高可靠、优化的二层互联,最优的访问路径,100km,裸光纤,FusionSphere,FusionSphere,接入层,汇聚层,核心层,DC,出口,网,络,层,GSLB,SLB,GSLB,SLB,存储层应用层华为双活数据中心端到端技术架构就近资源访问数据中,前端应用的双活(,VMware,),vm,vm,vm,vm,vm,vm,vm,vm,vm,vm,vm,vm,AD,vm,vm,vm,vm,SQL node1,MSCS,vCenter,Server,vm,vm,vm,vm,APP.,APP.,SQL node2,MSCS,vm,vm,vm,vm,vm,vm,vm,vm,vm,大二层互通网络,跨数据中心,VM,配置双活应用,使用虚拟化网关提供的镜像卷作为共享存储,Weblogic,业务集群,管理集群,vm,Weblogic,vSphere Cluster HA,vSphere Cluster DRS,配置,PDL,参数,Huawei OceanStor UltraPath for vSphere,配合负载均衡设备实现,Weblogic,访问自动漂移和均衡,VMware,配置要点,业务访问效果,业务访问负载均衡,虚拟机分布按业务压力自动均衡,故障自动切换访问,Weblogic,可动态扩展,单数据中心故障恢复后,虚拟机自动回切,前端应用的双活(VMware)vmvmvmvmvmvmvmv,Operating System,Instance1,Listener1,Service1,Operating System,Instance2,Listener2,Service1,Operating System,Instance3,Listener3,Service2,VIP3,VIP2,VIP1,Shared Storage,数,据中,心,A,数,据中,心,B,服务配置策略,服务名,INSTANCE1,INSTANCE2,INSTANCE3,SERVICE1,PREFERRED,PREFERRED,AVAILABLE,SERVICE2,AVAILABLE,AVAILABLE,PREFERRED,集群“,2+1,”部署,适配数据中心业务分布有偏重的场景,适配两个数据中心存在优先存活数据中心的场景,Oracle RAC,仲裁原则,拥有最多节点数目的子集群(,Sub-cluster with largest number of Nodes,)获胜,若子集群内数目相等则拥有最低节点号的子集群,(Sub-cluster with lowest node number),获胜,数据中心业务分布设计,访问分离减少缓存融合,访问分离,为了避免跨数据中心进行数据的交互,建议在,Oracle RAC,层创建不同的,service,,实现业务分离。,通过,Oracle RAC,透明应用程序故障切换(,TAF,),的,PREFERRED,功能设置应用只访问本地实例;同时设置远端数据中心的实例为,AVAILABLE,,只有本地实例都故障才切换到远端实例,。,后端应用的双活(,Oracle RAC,),Oracle Clusterware,(集群软件),ASM,(自动存储管理),Node1,Node3,应用,A,访问,service1,应用,B,访问,service2,Operating SystemInstance1Liste,存储层,在数据中心,A,和数据中心,B,各部署一台,VIS6600T,,组成一个,VIS,集群,,为两数据中心主机业务同时提供读写服务。同时,在数据中心,A,和数据中心,B,配置同等级和同容量的磁盘阵列。,两个数据中心的磁盘阵列都由,VIS,集群接管,利用,VIS,镜像,技术对两中心的磁盘阵列做镜像冗余配置,实现两个数据中心存储数据实时镜像,互为冗余。任意数据中心故障,数据零丢失。,存储层双活设计,WAN,数据中心,A,生产,存储,VIS,集群,数据同步镜像,VIS,集群仲裁盘,第三方仲裁站点,SAN,数据中心,B,生产,存储,SAN,IP/FC,网络,IP/
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