资源描述
Click to edit Master title style,Click to edit Master text styles,Second level,Third level,Fourth level,Fifth level,*,双活数据中心方案对比,V1,NetApp MetroCluster,EMC vplex,IBM SVC,尤贵冲,Guichong_.hk,201306,N,etApp MetroCluster,原理简述,一套,HA,设备,利用光纤或交换机把控制器距离拉远,利用,syncmirror,实现,aggr,级别的数据镜像,镜像物理分离,Software:,syncmirror_local license,同步镜像,aggr,cluster license,接管故障控制器,cluster_remote license,接管整个故障节点,N,etApp MetroCluster,保护级别,Stretch MetroCluster,Node 1,Node 2,500m,Data Center,Stretch MetroCluster,Aggregate X,Aggregate Y,Aggregate Y Mirror,Aggregate X Mirror,4,NetApp Confidential-Limited Use,Fibric MetroCluster,Building,A,Building,B,No SPOFs redundancy in all components and connectivity,Dedicated pairs of FC switches,Dark Fiber,vplex-host,不支持存储效率:去重、精简配置、快照等,不支持存储分层,IBM SVC,原理简述,和,EMC VPLEX,类似,每个节点存储设备之上再另加一个或多个,SVC,节点,组成集群。,SVC,可用于管理最多由,8,个节点(或集群服务器)构成的存储环境。,集群内的,SVC,节点以成对的形式划分为组,称为,I/O,组。每一对节点负责一个给定的虚拟磁盘或,vDisk,的数据输入,/,输出服务。一个,SVC,簇中的每一个节点都被划分在某一个,I/O,组内,并且从设计上规定,每个,I/O,只能拥有两个节点。,集群利用,MetroMirror,创建数据拷贝。,IBM SVC,特点,支持虚拟化异构存储,不用迁移数据。,支持全线异构存储和免费的精简规划和,EasyTier,IBM SVC,硬件,SVC 2145-8G4,引擎参数,New SVC engine,Two dual-core Intel Xeon 5160,processors at 2.33GHz,8GB of cache,Four 4Gbps FC ports,SVC code improvements to use multi-core processor,IBM SVC,兼容性,IBM SVC,典型组网,
展开阅读全文