EMCCorporation171SouthStreetHopkinton,MA01748-9103总部:(508)435-1000、(800)424-EMC2传真:(508)435-5374服务:(800)SVC-4EMCEMC光纤通道存储系统CX系列设置规划指南P/N014003138REVA01EMC光纤通道存储系统CX系列配置规划指南iiCopyright©2003EMCCorporation.Allrightsreserved.PublishedFebruary2003EMCbelievestheinformationinthispublicationisaccurateasofitspublicationdate.However,theinformationissubjecttochangewithoutnotice.THEINFORMATIONINTHISPUBLICATIONISPROVIDED“ASIS.“EMCCORPORATIONMAKESNOREPRESENTATIONSORWARRANTIESOFANYKINDWITHRESPECTTOTHEINFORMATIONINTHISPUBLICATION,ANDSPECIFICALLYDISCLAIMSIMPLIEDWARRANTIESOFMERCHANTABILITYORFITNESSFORAPARTICULARPURPOSE.Use,copying,anddistributionofanyEMCsoftwaredescribedinthispublicationrequireanapplicablesoftwarelicense.TrademarkInformationEMC2,EMC,Navisphere,CLARiiON,MOSAIC:2000,andSymmetrixareregisteredtrademarksandEMCEnterpriseStorage,TheEnterpriseStorageCompany,TheEMCEffect,Connectrix,ControlCenter,EDM,SDMS,SRDF,Timefinder,PowerPath,InfoMover,FarPoint,EMCEnterpriseStorageNetwork,EMCEnterpriseStorageSpecialist,EMCStorageLogix,UniversalDataTone,E-Infostructure,AccessLogix,Celerra,SnapView,andMirrorViewaretrademarksofEMCCorporation.Allothertrademarksmentionedhereinarethepropertyoftheirrespectiveowners.EMC光纤通道存储系统CX系列设置规划指南iii前言.....................................................................................................................................ix第1章关于CX系列存储系统和存储网络CX系列存储系统简介.......................................................................1-2光纤通道背景知识.............................................................................1-3光纤通道存储组件.............................................................................1-4服务器组件(主机总线适配器和驱动程序)..........................1-4互连组件......................................................................................1-4存储组件(存储系统机箱)......................................................1-7存储系统的安装类型.........................................................................1-8关于交换共享存储和SAN(存储区域网络)................................1-9存储组........................................................................................1-10第2章RAID类型和利弊权衡RAID简介..........................................................................................2-2磁盘条带化..................................................................................2-2镜像..............................................................................................2-2RAID组和LUN.........................................................................2-2RAID类型..........................................................................................2-4RAID5组(单个存取阵列)....................................................2-4RAID3组(并行存取阵列)....................................................2-5RAID1镜像对............................................................................2-6RAID0组(非固定阵列)........................................................2-7RAID1/0组(镜像的RAID0组)........................................2-8单个磁盘单元..............................................................................2-9热备盘..........................................................................................2-9RAID利弊权衡................................................................................2-11性能............................................................................................2-12目录EMC光纤通道存储系统CX系列设置规划指南iv目录存储灵活性................................................................................2-12数据可用性和磁盘空间使用率................................................2-13RAID组原则....................................................................................2-15RAID类型应用示例........................................................................2-17第3章关于MirrorView远程镜像软件什么是EMCMirrorView软件?....................................................3-2MirrorView的功能和优点...............................................................3-4以最小系统开销提供灾难恢复..................................................3-4本地高可用性..............................................................................3-4双向镜像......................................................................................3-5与EMCSnapView软件集成....................................................3-5MirrorView如何处理故障...............................................................3-6主映像故障..................................................................................3-6次映像故障..................................................................................3-6MirrorView示例...............................................................................3-8MirrorView规划工作表.................................................................3-10第4章关于SnapView复制和快照软件什么是EMCSnapView软件?.......................................................4-2SnapView的优点.......................................................................4-2复制.....................................................................................................4-3快照.....................................................................................................4-5快照会话示