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1、IBM 双活数据中心方案介绍及探讨,姜玉明JTel:13581967577,日程,业务连续性的发展趋势IBM对双活数据中心的理解IBM的双活数据中心方案介绍,2,20120721北京暴雨您想到的,3,2012年存储趋势,存储虚拟化成为领跑者；容灾、业务连续性高高在上；重复数据删除在2012年赶上；,4,是什么驱使提高容灾的能力？,宕机成本；提高关键业务系统的可用性；需要7x24小时的业务；,5,日程,业务连续性的发展趋势IBM对双活数据中心的理解IBM的双活数据中心方案介绍,6,2023/2/28,Footer goes here,7,业务连续性 需要前瞻的规划和策略,数据中心大集中,主备中心
2、,生产-查询中心（主辅中心）,双活中心,数据同步能力建设,数据服务能力建设,负载均衡能力建设,数据复制技术切换/回切能力实现,后备数据抽取与生产中心数据存在一定差异,全局负载均衡技术中心间数据保持同步交易复制能力自动化管理,削减数据中心数量，实现数据、业务处理集中化降低基础架构复杂度加强数据中心统一管理降低数据中心管理人员数量要求降低维护成本,灾难备份系统建设专用后备系统用于紧急状态下的恢复降低灾难风险对业务的影响加强安全生产等级,利用后备数据及系统用于部分生产用途分担生产系统压力提高生产系统响应能力后备中心有限生产能力,无缝业务切换能力消除应用停机时间数据中心间实现负载均衡任何一个中心具备1
3、00%生产支持能力,7,APP,MW,DB,Load Balancer,Transactions,Replication,Controller,APP,MW,3.跨中心的数据同步机制交易关联能力-Transaction stickiness,数据同步差异 Data replication gap数据恢复方法-Recovery Approach,数据延迟-Data Latency,1.网络接入-全局服务负载均衡,4 build“identical”system environment服务器虚拟化技术Provisioning,5.Seamless Processing to roll out ch
4、ange without planned outage运营一体化 配置流程-configuration management 变更管理-change management 人员部署-Role&Responsibility,6.应用改造和支持,DB,2.Session 同步机制,双活方案的关键技术,8,开放系统业务连续性趋势,应用,相互关联度,2000s,策略,同城数据及容灾,流程,组织结构,1990s,灾难恢复,设备,科技,1970s,备份需求,1980s,高可靠性,同机房容灾,2010s,应用级容灾,2012,双活数据中心,远程异地,三站点,9,灵活、高效的业务系统,数据中心运营模式,数据迁
5、移,业务逻辑,运维人员,组织架构,公司战略,10,日程,业务连续性的发展趋势IBM对双活数据中心的理解IBM的双活数据中心方案介绍,11,IBM的双活数据中心方案介绍,概览Open hyperswap双活解决方案概览GPFSVmware 双活解决方案IBM SVC+vmware 双活解决方案IBM SVC解决方案分析,12,IBM Open Active-Active Solution Offerings,Active-Query or Asymmetric Workload,Active-Active for Symmetric Workload,Primary Site(Productio
6、n),Secondary Site(Warm Standby),Primary Site(Production),Secondary Site(Query Workload),Production Site 1,Production Site 2,Active-Query or Asymmetric Workload,Infrastructure Base SolutionAIX HyperSwapVirtualized Storage SolutionSVC Stretch ClusterSoftware Base SolutionDB2 HA-DR/Replication,Infrastr
7、ucture Base SolutionAIX HyperSwap+FlashcopyVirtualized Storage SolutionSVC Stretch ClusterSoftware Base SolutionDB2 HA-DR/Replication,Infrastructure Base SolutionAIX HyperSwap+Parallel DB*Virtualized Storage SolutionSVC Stretch Cluster+Parallel DB*SVC VDM+Stretch Cluster+VmwareSoftware Base Solution
8、DB2 Geographically Dispersed PureScale Clusters(GDPC)Geographically Dispersed GPFS Cluster+Parallel DB,2012 New,2012 Enhanced,2012 DB2 Version10,2012 New,2012 Enhanced,2012 DB2 Version10,Locally Tested,*Need further validation process,Active-Standby for Fast Takeover,13,14,AIX HyperSwap Reference Ar
9、chitecture,Pre-GA Test could be offered to client nominated in Jun,2012IBM Target GA Date:Nov,2012,MetroMirror,DS8K(PrimaryStorage),DS8K(SecondaryStorage),PowerAIXPowerHADB,PowerAIXPowerHA,LAN Network,Primary Site,Secondary Site,15,AIX HyperSwap Takeover Scenario,MetroMirror,DS8K(PrimaryStorage),DS8
10、K(SecondaryStorage),PowerAIXPowerHADB,PowerAIXPowerHA,LAN Network,DS8K(PrimaryStorage),DS8K(SecondaryStorage),Power780AIXPowerHADB,Power780AIXPowerHADB,DS8K(PrimaryStorage),DS8K(SecondaryStorage),Power780AIXPowerHADB,Power780AIXPowerHA,DS8K(PrimaryStorage),DS8K(SecondaryStorage),Power780AIXPowerHADB
11、,Power780AIXPowerHADB,Scenario 1:Disk FailureDS8K FailedHyperswapRTO=secondsNo Application interruptionNo Database Rollback,Scenario 2:Server FailureServer FailedPowerHA Server TakeoverDB/Application RestartRTO=minutesApplication disrruptionDatabase Rollback,Scenario 3:Site FailureSite FailedPowerHA
12、 Server Takeover(Disk Quorum Maintained)DB/Application RestartRTO=minutesApplication disrruptionDatabase Rollback,Primary Site,Secondary Site,NOTE:Quorum Control,Routers,DWDM device&Heartbeat not shown in the diagram for simplicity illustration,16,Why?Tie together multiple sets of data into a single
13、 namespaceAllow multiple application groups to share portions or all dataSecure,available and high performance data sharing,GPFS双活解决方案,LAN,SAN,SAN,GPFS,LAN,SAN,SAN,GPFS,NSD Protocol,Create an enterprise-wideGlobal namespace,17,操作系统及应用支持情况,Operating systemsAIXLinux RedHatSLESVMware ESX ServerWindows
14、2008 Server,Independent software vendorsupport includes:,DB2Oracle,Oracle RacSAP/Business ObjectsSASAb InitioInformaticaSAFVmwareAnd others,IBM与VMware的合作,全球联盟合作伙伴VMware与IBM提供全面的虚拟化、业务连续性和云计算解决方案，允许客户简化IT基础架构并且改进可管理性。部署在IBM平台上的VMware虚拟化技术能够降低成本，节省数据中心的能源和空间，并且提高IT部门满足业务需求的能力。通过高弹性平台，公司可虚拟化他们的关键任务工作负载
15、。基于VMware vSphere的解决方案包括 IBM System x和BladeCenter服务器、IBM System Storage、服务和软件。长期承诺VMware与IBM将继续通过合作来设计、开发和测试能够重新定义业界标准的、值得客户信赖的虚拟化解决方案。IBM是VMware授权的全球培训中心,http:/,18,19,SVC 支持VMware vStorage APIs for Array Integration(VAAI),功能集成vStorage API，在一个虚拟机的环境下使得VMware 控制存储操作：Optimized VM provisioning(Write Sa
16、me)Avoids zero regions for optimized data transferBlock locking(Atomic Test&Set)Improved performance with less reservation conflictsFast copy(optimized cloning,XCOPY)Storage-side volume to volume cloning,VMware Storage Stack,VMFS,NFS,VMware LVM,Data Mover,NFSClient,NetworkStack,vStorage APIfor Multi
17、-Pathing,NFS,HBA Drivers,NIC,vStorage APIs,Provisioning/Cloning,价值在管理和部署虚拟卷时改进了性能和有效性降低生产虚拟机上I/O负载，改进应用的性能,SAN Volume Controller,Zero-administration HA for VMware using SVC,single logical instance,mobilized VMsno Storage-VMotion,Appliance functionality,not software-based,no license,1100 km Protects
18、non-IBM systems based on SVC stretched cluster Xen+HyperV,SVC,SVC,Prereqs:SVC,direct fibre connection,tie-breaker quorum LUN in bunker location,20,Details:Symmetric disk mirroring,stretched SVC,VMHost,VMHost,SVC 1 node A,SVC 1 node B,High availability+protectionfor virtual machines,VM,VM,LUN1,LUN1,m
19、ax.100km recommended max.300km supported,One storage system.Two locations.,VM,VM,VM,VM,21,VMware虚机的存储高可用解决方案,SVC Cluster,VMFS,SVCVDISK,消除存储单点故障风险，业务持续运行SVC用于企业级复杂环境的存储高可用解决方案SVC VDisk卷镜像，任一存储故障不影响业务运行；存储无切换中断时间，应用无需重启；零数据丢失；不占用服务器资源，不影响服务器性能；优化中低端存储性能；ODM管理对象和镜像前一样（1X）轻松实在跨存储盘阵的快照。成本：中，SVC/V7000成本，但
20、VDM免费,http:/,Site Recovery Manager is not needed),存储跨域双活三中心解决方案,SANVolume Controller,SVC Cluster,城市A1生产中心,城市A2生产中心,城市B灾备中心,23,*How to open the Door*,AIX Architecture Overview,IBM Power HA Cluster,SAN,TSMServer,24,SVC stretched cluster,24,*How to open the Door*,VMware Architecture Overview,VMware SRM
21、 Cluster,TSMServer,SAN,SVC stretched cluster,25,25,*How to open the Door*,MS HyperV Architecture Overview,MS Cluster Service,TSMServer,SAN,SVC stretched cluster,26,26,NAS/NFS,VMware虚拟机存储架构,IBM具有简单易用的存储解决方案用于整合并扩展VMWare的高级软件功能(VMotion,VM HA,DRS,Storage VMotion,&SRM).IBM在VMWare虚拟环境下的存储解决方案包括 iSCSI,FC,
22、FCoE,and NFS等所有VMWare支持的存储接口.经过验证的包括并行扩展、高可用、容灾复制等多种存储解决方案.VMWare虚拟环境下独特的IBM存储解决方案,27,存储共享，您关心的I/O 共享问题,What You See Now,What You Should See,datastore,28,IBM SVC解决方案分析,用户界面 在线压缩（收费）任意的快照（收费）FC/FCoE/iSCSI存储分层在线迁移(NVM)本地高可用支持同步、异步容灾（收费）设备的使用效率（thin and easy tier）,简化管理性能可靠性安全性扩展性在线维护能力故障监控及预警广泛的兼容性产品成熟
23、、拥有大量的案例,29,SVC协助建立了一个十分灵活的存储架构,SAN,HDS,DS8000,VirtualDisk,VirtualDisk,VirtualDisk,VirtualDisk,SAN Volume Controller,DS4000,HP,EMC,把不同存储阵列的存储容量组成一个统一的存储池,Advanced Copy Services,在存储池上应用统一的拷贝服务功能,通过中心控制点进行集中管理,存储设备发生改变时，主机应用不会被迫中断,30,第31页,友好的界面操作流程标准化,实时收集系统级性能参数(CPU利用率;port 利用率和I/O 速率;卷和MDisk I/O 速率，
24、带宽，延迟），采集时间间隔为5秒,先进的存储软件，拥有苹果界面存储供应流程的标准化,31,在线压缩功能,GUI Displays Compression Savings on a Volume,Pool and System basis:,32,SVC 完备的快照FlashCopy 功能,33,跨阵列任意快照,Up to 256,应用系统快照保护,FlashCopy,AVAILABILITY,Create instant application copies for backup or application testing.Make better use of space with incr
25、emental(only changed blocks)or space-efficient(thin provisioned)snapshots.,Integrated,instant copy for criticalapplicationsVirtually eliminate backup windowsRapidly create clones for application testingView inventory of application copies and instantly restore,FlashCopy Manager,Up to 256,34,SVC GUI快
26、照的管理,FlashCopy GUI panel now displays timestamp showing when mapping was started,35,36,SVC支持iSCSI和FCoE,SAN Storage Zones,LAN,Host servers with FCoE HBAs,Fibre-attached hosts,External Fibre-attached storage(optional),StorwizeV7000,Host servers with 10 Gigabit iSCSI HBAs,SAN Zones,New,存储分层,自动存储分层根据工作负
27、载特性自动将活动数据在不同存储层次间重新分布降低IO响应时间用户可以选择自动或者半自动的数据块放置和迁移管理方式,Why it matters?SSD提供比磁介质更好的吞吐量和IO响应时间.将整个vdisk卷全部迁移到SSD通常情况下并不是最佳方案。将热点数据块自动迁移到高性能存储上，少量的SSD就可以极大的提高整个系统的性能。,SVC Cluster,External SSD RAID Array(s),FC/SAS RAID Array(s),SATA RAID Array(s),Application,VirtualDisk,37,在线迁移数据,Efficiently manage te
28、chnology upgrades and lease terminations by transparently moving application data from legacy disk arrays to the new system.,MIGRATION,Transparent data movement,VDS,Legacy,Network,Applicationserver,38,在线跨I/O Group迁移,I/O group 1,2.VolumeMove,HostI/O,I/O group 0,1.Multi-path I/O to Volumes,3.Active pa
29、ths to relocated Volumes,39,本地高可用,Local Mirror,AVAILABILITY,For ultra-high availability applications,synchronously mirror application data between two separate disk enclosures attached to the same system.,40,容灾复制:业务连续性,Mirror data off-site,Synchronously over Metro distances.Asynchronously over Globa
30、l distances.Application-level consistency groups.,Practice recovery procedures,For critical application consistency groups,freeze the Mirror and take a consistent FlashCopy.Practice application recovery procedures from the FlashCopy.,Automatically respond to disasters,Detect mirroring failure and au
31、tomate failover to Recovery volume.Execute practiced application recoveryprocedures.Automate fail-back after repair.,BUSINESS CONTINUANCE,Network,Recovery practice volume,Network,Network,Recovery volume,41,提升存储使用效率,Thin provisioning,More productive use of available storage.Across all supported host
32、platforms.,Performance optimization,EFFICIENCY,Without thin provisioning,pre-allocated space is reserved whether the application uses it or not.,With thin provisioning,applications can grow dynamically,but only consume space they are actually using.,Dynamicgrowth,Analyze system performance and throu
33、ghput.Transparently rearrange the data to eliminate hot-spots and balance utilization of all components.,Hot-spots due to poor data layout.,Optimized performance and throughput.,Transparentreorganization,42,精简配置和热点迁移,IBM SVC解决方案分析,用户界面 在线压缩（收费）任意的快照（收费）FCoE/iSCSI存储分层在线迁移(NVM)本地高可用支持同步、异步容灾（收费）设备的使用效
34、率（thin and easy tier）,简化管理性能可靠性安全性扩展性在线维护能力故障监控及预警广泛的兼容性产品成熟、拥有大量的案例,43,第44页,简化管理改善存储资源的部署计划,传统磁盘阵列部署考虑：容量，磁盘容量/数量，RAID模式性能磁盘数量，磁盘转速，缓存，IOPs，系统吞吐能力，RAID模式可靠性，冗余控制器，RAID模式，数据备份功能性，分区，快照，远程数据复制兼容性，硬件平台，操作系统平台,虚拟化后存储供应考虑：容量，多少容量能满足？功能性，根据需求，灵活选择存储池，快照，远程数据复制,项目上线前会议讨论！,虚拟化后，变的很轻松,44,第45页,简化管理简化存储的部署流程,
35、45,SVC 性能,最新SPC测试结果显示SVC性能领跑所有存储6节点的SVC SPC-1值达380,000 4节点的SVC SPC-1值达300,0008节点的SVC SPC-1达到520,000*相对应的HP XP24000最高性能值为200,000左右http:/www.storageperformance.org/results/benchmark_results_spc1/#spc1SVC SPC-2值高达7,080GBPS（8节点）,The intelligence of the caching algorithmsThe amount of cache The use of di
36、fferent storage tiers with Solid State Disk The ability to handle tagged command queuing operations The pattern of access as it relates to locality of reference which affects the cache hit ratios The size of the data block transferred,Disk Magic Sizing tools,46,可靠性 SVC虚拟化平台的高可靠性设计,StorageNetwork,Man
37、aged Disks,Virtual Disks,Virtual Disks,Virtual Disks,Virtual Disks,Node,Node,Node,Node,Node,Designed to be a redundant,modular,scalable,solution,Node,Node,Node,Redundant,hot-swappable control nodes Mirrored Write cache with battery backup Cluster configuration backup and restore capability Redundanc
38、y of active components including fans and power supplies Non-disruptive software upgrades to nodes Dual access to all front-end and back-end ports Redundant paths from control nodes to internal disks over SAS.Remote call home Error notification and logging,47,安全性访问和用户管理,SSH protocol communication;Di
39、fferent user group;,48,performance,For performance sensitive applications,dynamically add more performance to your existing capacity by adding controller pairs.or mix with additional capacity,capacity,For high capacity applications such as archive,dynamically add capacity by adding disk enclosures.o
40、r mix with additional performance,features,Many features are included.Software is preinstalled in the system and management console for easy setup.Premium features are already installed.Enabled with only a license file.,Practice DR recoveryAutomated failover/fail-backThin ProvisioningPerformance opt
41、imizationVirtualization,FlashCopySAN VisualizationPerformance managementMetro MirrorGlobal Mirror,SCALABILITY,扩展性动态可扩展,49,在线维护能力 SVC节点在线替换,SVC集群中任何一个节点失效，可以在不中断生产的条件下在线更换不需要改变SAN环境的配置不影响主机生产应用不影响SVC集群生产替换操作时间短整个过程约30分钟,50,故障监控及预警系统管理,SNMPSysLogEmail,51,52,SVC 兼容环境,8Gbps SAN fabric,HPMA,EMAMSA,EVA,XP
42、,P9500,3Par,HitachiLightningThunderTagmaStoreAMS,WMS,USP,USP-VVSP,EMCCLARiiONCX4,Symmetrix,DMX,VMAX,VNX,VNXe,MicrosoftWindowsHyper-V,IBM Power7IBM AIXIBM i 6.1(VIOS),SunSolaris8/9/10,HP-UX 11iTru64OpenVMS,Citrix Xen ServerIBMBladeCenter,SAN,Continuous CopyMetro/Global MirrorMultiple Cluster Mirror,V
43、MwareESX 3.5,vSphere 4,5,Point-in-time CopyFull volume,Copy on write256 targets,Incremental,Cascaded,Reverse,Space-Efficient,FlashCopy Mgr,NovellNetWareOES2,SunStorageTekStorEdge,IBMDSDS3000,DS4000DS5000,DS6000DS8000,1024Hosts,IBMN seriesStorwize V7000,NetAppFASXioTechEmprise,SGI IRIX,IBM TS7650G Pr
44、otecTIER Gateway,FujitsuEternusDX80 S2,DX90 S2,DX410 S2,DX440 S2NexSANSATABeast,NECiStorageBullStoreway1500,2000,3000,Thin Provisioned Volumes,Virtual Disk Mirroring,AppleMac OS,IBMXIVGen 3 DCS9XXX,IBMz/VSEz/VMz/Linux,iSCSI1Gb or 10Gb,Compellent5.2.3,Linux(Intel/Power/z)RHEL 4/5/6SUSE 9/10/11,Intern
45、al SSD,Easy Tier,New,New,TMSRamSAN440Violin3140,3200,New,New,New,New,New,New,*Confirm all supported configurations at and click on“Support”,V6.3,New,53,DS8000 Family,32 Bit Internal OS,64 Bit Internal OS,Continually growing list of supported hosts,Continually growing list of supported backend storag
46、e controllers,20032145-4F24 node,1.1,1.2,2.1,3.1,4.1,4.2,4.3,5.1,6.1,20048 nodes,20042145-8F2VSSGDS,2006Global MirrorMulti Target FC,2008Thin ProvisioningVDisk MirroringSVC EE,2010Storwize V7000New GUIEasy Tier,20052145-8F4,20072145-8G4Flash Copy Enhancements,20092145-CF8SSD support3 site Mirror 2TB
47、 VDiskSplit ClusteriSCSIZero Detect,20112145-CG8VAAI2 TB MDiskPerformance MonitorFlash Copy Enhancements,SVC的历史,6.2,6.3,20114QRemote Mirror and Stretch Cluster enhancement,53,SVC解决方案的优势,功能上：友好的界面 在线压缩任意的快照FCoE/iSCSI存储分层在线迁移(NVM)本地高可用支持同步、异步容灾；提高设备的使用效率（thin and easy tier）,54,非功能性简化管理性能可靠性安全性扩展性在线维护能力故障监控及预警广泛的兼容性产品成熟、拥有大量的案例,HDS,DS8000,DS4000,HP,EMC,AIX,HP-UX,Solaris,Linux,True64,Windows,Vmware,Xen etc,建立了一个十分灵活的存储架构,姓名:姜玉明邮件:J http:/,Thank You,危机的背后，往往孕育着新的变革，变革往往又伴随着新的机会！,55,
