DS4800安装手册&参数手册

DS4800使用及维护手册——VER 1.0目录1 IBM DS4800概述 (6)2 安装环境准备 (8)2.1 机房环境准备 (8)2.2 DS4800机头及扩展柜物理尺寸 (8)2.2.1 DS4800 Disk System Model 88 (1815-88A) (8)2.2.2 EXP810存储扩展单元(1812-81A) (8)2.3 操作环境 (9)2.3.1 DS4800 Disk System Model 88 (1815-88A) (9)2.3.2 EXP810存储扩展单元(1812-81A) (9)3 DS4800存储分配规则 (11)3.1 IP地址 (11)3.2 与扩展单元的连接规划 (11)3.3 磁盘大小规划与主机名规划 (14)4 DS4800存储规划 (15)4.1 新增A存储分配规划 (16)4.2 新增B存储分配规划 (20)4.3 新增C存储分配规划 (26)4.4 新增D存储分配规划 (31)5 存储设备总体安装步骤 (38)5.1 设备到货 (38)5.2 DS4800安装和上电自检 (38)5.3 安装配置PC (38)5.4 DS4800客户化 (38)5.5 系统连接 (39)5.6 安装多路径软件RDAC (39)5.7 设备安装验收 (39)6 DS4800 存储分配操作步骤 (40)6.1 DS4800管理软件及初始配置 (40)6.2 具体操作步骤 (43)6.2.1 微码升级 (43)6.2.2 创建硬盘阵列和逻辑盘 (46)6.2.3 定义热备份硬盘 (51)6.2.4 高级功能的激活 (53)6.2.5 存储分区——Storage Partition (56)6.2.6 在AIX环境中安装DS4800 (67)6.2.7 在HP环境下安装DS4800时的多路径 (69)6.2.8 在WINDOWS环境下安装DS4800多路径软件 (69)6.2.9 在Linux环境下安装DS4800多路径软件 (70)7 DS4800日常维护 (71)7.1 如何观察DS4800各个部件的指示灯 (71)7.2 DS4800的开关机步骤 (71)7.3 在S TORAGE M ANAGER C LIENT管理软件里面添加DS4800子系统 (71)7.4 使用S TORAGE M ANAGER 客户端管理软件查看DS4800的状态 (76)7.5 微码在06.XX.XX.XX 以上的DS4800的故障数据收集 (81)1IBM DS4800概述DS4800 本机为存储控制柜，通过连接EXP710提供存储容量。

IBM System StorageDS4800Storage SubsystemInstallation and CablingOverview Table1summarizes the steps required to correctly install,cable,and power on your IBM®System Storage™DS4800storage subsystem.Unless otherwise stated,all the following tasks are detailed in the sections referenced in the IBM System Storage DS4800Storage Subsystem Installation,User’s,and Maintenance Guide.Review the multilingual IBM Safety Information document and read all safety information in the IBM System Storage DS4800Storage Subsystem Installation,User’s,and Maintenance Guide before you begin the installation.Attention:Before powering on the DS4800,the storage subsystem must be cabled to at least one storage expansion enclosure populated with at least two drives.If at least two drives are not installed in each attached enclosure when you power on the DS4800,your standard storage partition key will be lost and must be regenerated.In addition,the resulting insufficient load to the enclosure power supplies might cause them to intermittently appear as failed,falsely indicating the power supplies are bad.All drives in the connected enclosure or enclosures must contain no prior configuration data.Table1.Installation tasksTask Detailed description in section entitled1Review the DS4800installation recommendations and requirements.“Preparing for installation”inChapter2"Handling static-sensitive devices"inChapter22Fold down and open the sides of the shipping box.Without removing the DS4800from the box,you can remove the DS4800rack mounting rails and hardware from the box.Install the support rails in the rackcabinet.“Installing the support rails”in Chapter23Before removing the DS4800from the shipping box,remove the components to lighten the unit.“Removing the components”in Chapter24Record the serial number,machine type,model number,and RAIDcontroller MAC addresses for your DS4800.Appendix B,“Records,”5Install and secure the DS4800chassis in the rack cabinet.“Installing the DS4800on the supportrails”in Chapter26Replace the components in the installed DS4800chassis.“Replacing the components”inChapter27Install in the rack cabinet the DS4000storage expansion enclosures you will cable to the DS4800.Installation,User’s,and Maintenance Guide for your DS4000storage expansion enclosure.8Use SFP modules and FC cables to cable the DS4800to at least one DS4000storage expansion enclosure.“Connecting storage expansion enclosures”in Chapter3Table1.Installation tasks(continued)Task Detailed description in section entitled9(If applicable)After you cable the DS4000storage expansion enclosures,set the enclosure IDs of any storage expansion enclosuresin the DS4800configuration that require their enclosure IDs to bemanually set.Ensure that all enclosures,including the DS4800Storage Subsystem,have a unique drive enclosure ID,including a uniquevalue in the singles digit(x1).For example,enclosure IDs for EXP710storage expansion enclosuresmust be set manually while enclosure IDs for EXP810storageexpansion enclosures are automatically set by the controller.“Storage expansion enclosure settings”in Chapter310For out-of-band management:Cable the DS4800Ethernet ports to either the management workstation or to the hosts.“Connecting secondary interface cables”in Chapter3For in-band management:Cable the DS4800host channels to the FC HBAs in either the hosts or the FC switch that connects to the host FC HBAs.“Connecting hosts to the DS4800”in Chapter311Connect the power cables for the DS4800.“Connecting the power cables”inChapter312Power on the attached storage expansion enclosures and the DS4800 storage subsystem.“Turning on the storage subsystem”in Chapter413Review the controller firmware,ESM and storage manager host software requirements.Obtain the required code if needed.“Firmware requirements”in Chapter 414Install the DS4000Storage Manager9.19host software on the management workstation(for out-of-band management)or on the host(for in-band management).Use the DS4000Storage Manager software to verify the configuration.IBM DS4000Storage Manager9 Installation and Support Guide for your operating system.15Review and perform the DS4000Health Check process.“Performing the DS4000Health Checkprocess”in Chapter4The following illustrations and instructions provide a very brief overview of the cabling tasks required after you install the DS4800in a rack cabinet.Review the following sections and then follow the instructions provided in the IBM System Storage DS4800Storage Subsystem Installation,User’s,and Maintenance Guide.2Installing Small Form-Factor Pluggable (SFP)modules and fibre channel cablesStatement 3:DANGER:Some laser products contain an embedded Class 3A or Class 3B laser diode.Note the following:Laser radiation when open.Do not stare into the beam,do not view directly with optical instruments,and avoid direct exposure to the beam.All host and drive cabling connections require you to use SFP modules in the DS4800host and drive channels used by the cabling connections.The SFP module housing and fibre channel cable haveintegrated guide keys that prevent you from inserting these devices incorrectly.Insert SFP modules into ports with minimal pressure so that you do not damage either the SFP module or the port.You can insert an SFP module into an active port without affecting the operational loop performance.You must connect the fibre channel cable to the SFP module after you insert the SFP module into the port.Attention:To avoid damage to your fibre-optic cables:v Do not route the cable along a folding cable-management arm.v Route the cable away from places where it can be damaged by other devices in the cabinet.v For devices on slide rails,leave enough slack in the cable so that it does not bend to a diameter of less than 76mm (3in.)or a radius less than 38mm (1.5in.)when extended or become pinched when retracted.v Do not use plastic cable ties in place of the provided cable straps.v Do not put excess weight on the cable at the connection point.Be sure that the cable is well supported.To install an SFP module and fibre channel cable:Drive channel 3Drive channel 4Figure 1.DS4800controller ports31.Remove the protective caps from the SFP module and from the fibre channel cable.Do not touch theexposed fibre-optic cable.2.Insert the SFP module into a DS4800controller port.3.Connect the fibre channel cable to the SFP module.Redundant drive-side fibre channel cablingAttention:Before powering on the DS4800,the storage subsystem must be cabled to at least one storage expansion enclosure populated with at least two drives.All drives in the connected enclosure or enclosures must contain no prior configuration data.The IBM System Storage DS4800Storage Subsystem Installation,User’s,and Maintenance Guide describes the importance of redundant cabling and provides redundant cabling diagrams for connecting DS4000storage expansion enclosures to your DS4800.Refer to “Connecting storage expansion enclosures to the DS4800″in chapter 3,which provides diagrams of recommended topologies for single and multiple storage expansion enclosures.To ensure the optimal drive channel performance,please review the instructions,and particularly the Attention information,before starting to cable the storage expansion enclosures to the DS4800.Figure 3on page 5shows the recommended redundant cabling topology for attaching a single DS4000EXP710to the DS4800storage subsystem.The topology shown uses ports from drive channels 1(on controller A)and 3(on controller B)to achieve a redundant connection to the DS4000storage expansion enclosure.Protective Wire Figure 2.Connecting fibre channel to the SFP module4Figure 4on page 6shows the recommended redundant cabling topology for attaching multiple DS4000EXP710s to the DS4800.The topology shown uses ports from drive channels 1(on controller A)and 3(on controller B)to achieve a redundant connection to the DS4000storage expansion enclosure.Drive Channel 1Drive Channel 3DS4800Storage SubsystemDS4000Storage Expansion EnclosureFigure 3.Recommended cabling for a single EXP710to the DS48005|||Note:For specific cabling instructions for connecting all supported storage expansion enclosures to theDS4800,see “Connecting storage expansion enclosures to the DS4800″in chapter 3in the IBM System Storage DS4800Storage Subsystem Installation,User’s,and Maintenance Guide .DS4000storage expansion enclosure supportThe DS4800supports a maximum of 224drives in two redundant drive channel pairs.The DS4800storage subsystem enables you to mix certain storage expansion enclosure models in the sameconfiguration.In some cases,to intermix storage expansion enclosure models you must meet additional requirements,such as firmware updates or grouping restrictions.To intermix fibre channel and SATA drives,you must purchase the FC/SATA Enclosure Intermix premium feature.Refer to the IBM System Storage DS4000Hard Drive and Storage Expansion Enclosure Installation and Migration Guide for complete information on enclosure support and intermixing requirements for the DS4800storage subsystem.Redundant host-side fibre channel cablingDrive Channel 1Drive Channel 3DS4800Storage SubsystemDS4000Storage Expansion EnclosureDS4000Storage Expansion EnclosureDS4000Storage Expansion EnclosureDS4000Storage Expansion EnclosureFigure 4.Recommended cabling for multiple EXP710s to the DS48006The DS4800supports redundant connections to up to four hosts.To ensure full protection against the loss of any one fibre channel path from the host servers to the DS4800storage subsystem,always useredundant host connections by connecting each host to the appropriate single-ported host channels on both RAID controllers A and B.1.To connect the first host server to the DS4800,connect one host server FC host adapter to hostchannel 1of controller A (top),and connect the other host server FC host adapter to host channel 1of controller B (bottom).2.To connect additional redundant hosts,connectthe two host server FC host adapters to the next hostchannels on each controller (A and B),as shown in Figure 5.TrademarksIBM,the IBM Logo,and System Storage are trademarks of International Business Machines Corporation in the United States,other countries,or both.Note to ernment Users -Documentation related to restricted rights -Use,duplication or disclosure is subject to restrictions set forth in GSA ASP Schedule Contract with IBM Corp.Host 1, Host Adapter 1 and 2Host 4, Host Adapter 1 and 2Host 2, Host Adapter 1 and 2Host 3, Host Adapter 1 and 2Figure 5.Redundant host-side fibre channel cabling topologySecond edition(March2007)©Copyright International Business Machines Corporation2006,2007.All rights reserved.US Government Users Restricted Rights–Use,duplication or disclosure restricted by GSA ADP Schedule Contract with IBM Corp.GC26-7846-01(1P)P/N:22R6618。

DS4800的划分1、物理连接：1）DS4800与EXP710的连接2）DS4800与主机的连接2、配置SM管理器在笔记本电脑上安装Storage Manager 9.19，并配置网卡地址为192.168.128网段地址；DS4800控制器地址为：A控：192.168.128.101B控：192.168.128.102使用交换机连接DS4800的控制器以太网口。

测试连通性：Ping 192.168.128.101/1023、配置DS4800打开SM，点add storage subsystem按钮，填入192.168.128.101和192.168.128.102地址，点Add钮；双击storage subsystem Unnamed配置hotspare盘，鼠标右键点击右侧窗口中的磁盘鼠标左键点hot spare coverage；选automatically assign drive，OKHot spare盘标记好，建立RAID，鼠标右键，选creat logical driveNext选automatically ，RAID5 磁盘选择所有9块磁盘填入所划分的LUN size：239，name：OA_1,NEXTFinish选YES，建立其他所有LUN将所有LUN建好，如上图。

将LUN分配给主机（MAPING）鼠标点击mapping view鼠标有键点defaut group，选define host group填入host group 名OA选OAhost group右键，选define hostnext输入HOST NAME ，refresh，选择响应的HBA卡，next选AIX操作系统Finish主机的两块HBA卡添加完毕选define storage partitioningNext选host group，next将相应的LUN添加，FinishMAPPING 完毕，将其他LUN划分给响应主机。

DS4800阵列扩容实施方案一台DS4800、7个EXP710磁盘扩展单元（每个安装14块1TB sata硬盘）组成，工作方式为SAN（存储区域网）方式。

现DS4800配置的7个EXP710扩展单元使用了4个驱动器环路连接，现需扩展2个EXP810扩展单元，配置如下：Product Description Serial Qty1812-81A DS4000 EXP810 Expansion Unit Model 81 2 2410 (26K7941) SW 4Gbps SFP transcvr pair 2 5414 (40K6820) 4 Gbps FC, 146.8 GB/15K E-DDM 32 5605 (39M5697) 5m 50u Fiber Optic Cable (LC-LC) 4 9018 Attach to DS4800 (1815) 2 9202 Field Integrate EXP810 2 9840 (02K0546) Power Cord 250V/6A/2.8m, P.R. China 2目前存储系统的结构：扩容后存储系统的结构：扩容时，连接DS4800的两个控制器，保证DS4800系统处于正常的工作状态后才可执行扩容操作。

（有硬件故障的情况下禁止升微码，必须先把故障修复之后才能升微码）扩容前准备工作： (3)1: 用户自行备份数据 (3)2：收集DS4800存储的profile信息 (3)3：备份存储ASD信息 (4)4：备份DS4800配置信息 (5)5：进行健康检查 (7)6：查看系统的整体状态信息 (7)7：检查扩展柜ID分配是否合理 (8)8：确认存储系统为冗余的配置 (8)9：确认link的状态 (8)扩容exp810步骤： (9)一：停止应用服务 (9)二：登录Storage Manager软件 (9)三：存储划分新的lun并mping给主机 (14)四：升级微码 (14)扩容前准备工作：1: 用户自行备份数据（确认备份成功）用户申请停机时间（4-5小时），不包括数据备份时间。

DS4800 –扩展柜连接的两种方式示例我们首先来看一下有关横向扩展和纵向扩展的的示例，这个例子假设所有的驱动器通道组（drive channel groups）和它们的驱动器环路对（drive loop pairs）工作在相同的速率下。

在下图-1中，一个 DS4800 配有8个 EX P710s ，并且采用的是横向扩展. 每个驱动器环路对里的所有驱动器能利用的最大可达 800 MB/sec 的数据带宽. 在这种情形下, 4组扩展柜（每组由2个 EXP710s 组成，28 个驱动器) ，每组拥有最大800 MB/sec 数据带宽.图-1 横向扩展DS4800，4个 four drive loop pairs ，使用EXP710注意: EX P710 扩展柜目前还工作在 2 Gbps.当 4 Gbps EX P 扩展柜发布的时候，就可以获得 800 MB/sec的数据带宽.假定一个应用或一组应用需要 1,200 MB/sec的数据带宽，在以往的 DS4000 型号, 有最大2个驱动器环路对来分发数据. 这样一来, 这样的带宽不能简单的获得, 对于其它的LUNs很难共享剩余的带宽. 如果采用DS4800的4个驱动器环路对，你可以把这个LUN 分布在全部4个驱动器环路对的硬盘上这样可以均衡负载，允许你来增加带宽去满足最重要的应用。

另外，把这个LUN 分布在全部4个驱动器环路对（而不是2个）可以提供比以往其他DS4000 型号更高的可用性。

当有专用带宽（dedicated bandwidth）的需求出现时，纵向扩展有可能比横向扩展更能满足客户需要。

把LUNs只放在一个驱动器环路对上，来确保这些LUNs只被这个特定的驱动器环路对影响。

这意味着在这个驱动器环路对上的LUNs 可以获得专用的最大可达 800 MB/sec的带宽。

把LUNs分布到所有的驱动器环路对上允许你使用最大可达3,200 MB/sec的带宽，但是，这些LUNs必须和其他的LUNs共享这些带宽。

DS4800的网口和串口的连接除了主机和扩展柜的连接, DS4800 后面有以太网口和串口，你可以通过这些端口管理和维护DS4800 .RJ-45 以太网接口（Ethernet connector）这个接口是一个 RJ-45 10BASE-Tx 或 100BASE-Tx Ethernet 连接. 每个控制器上有２个以太网接口。

一个接口是用来做带外管理（out-of-band management），另外一个接口是用做维护的（serviceability）。

这是DS4800一个新的特征，区别于以往的DS4000型号，以往的DS4000型号的每个控制器只有一个以太网接口，既用做管理又用做维护。

增加了一个新的以太网接口，可以把管理和维护的通道隔离开。

因为这个新的以太网接口，每个控制器上可以配置两个IP地址，缺省的IP地址分别是：控制器A（以太网接口１：192.168.128.101，以太网接口２：192.168.129.101）控制器B（以太网接口１：192.168.128.102，以太网接口２：192.168.129.102）。

你仍然可以每个控制器上只使用一个以太网接口。

你可以指定控制器上两个以太网接口中的任何一个用做维护或管理.串口（Serial port）这个串口可用来做管理和诊断.你可以使用一个带有终端模拟工具例如：超级终端来访问命令集。

图–１控制器串口和以太网接口DS4800 - 控制器／扩展柜IDs基本控制器单元（ base controller unit）和每个扩展柜都有一个相关的 ID号.这个 ID 将允许每个扩展柜被基本控制器单元正确地识别. 因为基本控制器单元（ base controller unit）和所有扩展柜是通过光纤通道环路（Fibre Channel loop）连接的，所以有必要确保每个ID地址是可被鉴别的和唯一的。

一个 ID地址由两位数字组成: 一个十位数 (x10) 和一个个位数 (x1). 扩展柜的 IDs 通常是介于 x00 和 x77之间，最好避免使用数字0 在个位数 (x1)上。

DS4800使用及维护手册——VER目录1IBM DS4800概述DS4800 本机为存储控制柜，通过连接EXP710提供存储容量。

IBM DS4800 最多可以连接16个EXP710扩展单元，或14个EXP810扩展单元,最大支持224个FC磁盘，的裸数据容量，可在不影响应用的情况下方便快捷的实现系统扩展，为企业级用户提供高性价比的在线存储方案。

同时，DS4800支持SATA磁盘，可以通过连接16个EXP100扩展柜来支持224块SATA磁盘（最大），裸数据容量可以高达56T。

为用户提供了低成本、大容量的近线存储解决方案。

●支持多种平台，是IBM TotalStorage SAN 解决方案的一部分，为用户提供了存储集中整合的解决方案●双热插拔RAID控制器提供8个4Gb的光纤通道主机端口，8个4Gb的磁盘扩展接口，支持直接连接基于UNIX和Intel处理器的集群服务器，以经济的方式实现多路径故障切换●RAID控制器拥有4G、8G的Cache●推动存储区域网络（SAN）、网络连接存储（NAS）和直接连接环境中的存储整合●最多可支持224个光纤（FC）磁盘驱动器，存储容量可扩展到 B以上●最多可支持224个串行（SATA）磁盘驱动器，存储容量可扩展到56TB以上●最多64个存储分区●支持RAID 0，1，3，5和10●提供1600MB/s的高性能的磁盘读取带宽●提供高性能的FAStT存储管理软件，可对所有的FAStT存储子系统进行集中管理●支持FlashCopy、VolumeCopy高级存储管理软件●支持Remote Mirror同步/异步容灾软件●支持FC/SATA磁盘扩展柜混合连接●包括基于Microsoft Windows 2000/Windows 2003的故障切换驱动器，以及对基于AIX、Sun Solaris、HP-UX和其它基于Intel处理器平台的支持—包括Novell NetWare 和Linux操作系统通过可选的FAStT服务报警（FAStT Service Alert）功能提供的自动报警，可缩短服务的响应时间2安装环境准备2.1机房环境准备按装地点的地板区域必须达到下列条件:●足够的空间用于安装DS4800●足够的牢固性用于支撑满配DS4800及相关系统的重量，满配的 DS4800 机头重 kg lb).●确信有足够的空间来移动机柜和安装模块，在安装区域有足够的清洁用空间.●安装UPS设备●如果可能的话，安装HBAs、交换机或其他的设备.●从主机或交换机到安装区域有网线连接.●到安装区域有电源线接口2.2DS4800机头及扩展柜物理尺寸2.2.1D S4800 Disk System Model 88 (1815-88A)●高: mm in)●宽: mm in)●深: mm in)●重: kg lb)2.2.2E XP810存储扩展单元(1812-81A)⏹高: cm in)⏹宽: cm in)⏹深: cm in)⏹重:●Drive-ready (不含硬盘): 69 lb●Fully configured (含16个硬盘): 85 lb2.3操作环境2.3.1D S4800 Disk System Model 88 (1815-88A)⏹温度 (operating):●10 to 35 degrees C (50 to 95 degrees F) at 0 to 914 m (0-3,000 ft)●10 to 32 degrees C (50 to 90 degrees F) at 914 to 2,133 m (3000-7000 ft)⏹温度(storage):● 1 to 60 degrees C (33 to 140 degrees F) at 0 to 914 m (0-3,000 ft)⏹相关湿度 (operating):●8% to 80%⏹相关湿度 (storage):●5% to 80%⏹电源 (per power supply, system rating):●Voltage range - (100-240 V ac)●Operating current - amperes)●Power (540 watts)●Frequency (50/60 Hz)⏹热耗: 804 BTU per hour⏹噪音 (normal operation): bels2.3.2E XP810存储扩展单元(1812-81A)⏹温度(operating):●10 to 35 degrees C (50 to 95 degrees F) at 0-914 m (0-3,000 ft)●10 to 32 degrees C (50 to 90 degrees F) at 914 - 2,133 m (3000-7000 ft)⏹相关湿度 (operating):●8% to 80%⏹电源 (per power supply):●Voltage range - nominal (100 - 240 V ac)●Operating current amperes with 115 Vac input)●Power watts)●Frequency (50/60 Hz)⏹热耗: BTU per hour (fully configured)⏹噪音 (normal operation): bels3DS4800存储分配规则注：DS4800微码版本：Storage Manager 版本：Controller Firmware: Controller NVRAM : N1815D480R923V09●随机访问比较多的应用划分磁盘时建议做RAID 0+1,顺序访问的应用做RAID5；●访问量比较大的LUN均衡到多个RAID组中，避免热点盘过于集中；●尽量分配同一容量的LUN，对于同一机器的不同属性的应用（DB/FS），可分配不同容量的LUN；●数据空间跟索引空间建议放在不同的RAID组中，数据放在RAID5中，日志放在RAID10中；●对于HP需要做MC的双机，分配一个容量为100M的LUN作为锁盘；●在主机端认到PV后，将PV与LUN、LUN与Host之间的对应关系作成表格交予系统管理员，以利于主机做条带化；●针对多应用的情况可以来自于不同的RAID 组。

IBM System Storage DS4800借助可扩展的高性能存储管理增长、复杂性和风险要点• 4 Gbps 光纤通道接口技术•带宽速度高达 1724 MBps，适用于高吞吐量的应用•EXP810 存储扩展单元支持混合使用光纤通道和 SATA 硬盘驱动器•内含 IBM System Storage™ DS4000™ Storage Manager，有助于集中管理 DS4000 系列•8 个主机通道，增强了连通性•支持混合使用 EXP810、EXP710 和 EXP1004 Gbps 光纤通道接口技术IBM System Storage DS4800 磁盘存储系统支持 4 Gbps 高性能光纤通道接口，可以提高主机连接性能，从而为高吞吐量应用提供所需的带宽。

它非常适合要求提高连接性能的数据密集型应用，其 8 个 4 Gbps 主机通道通过与主机服务器直接连接，或者与光纤通道存储区域网络（SAN）连接，为高吞吐量应用持续提供最高 1724 MBps 的带宽。

有助于降低总拥有成本（TCO）IBM System Storage DS4800 磁盘存储系统可为客户提供 4 Gbps SAN 解决方案，以充分利用 4 Gbps 技术提供的卓越性能。

有两种方式可以衡量 SAN 设备的性能：每秒传输的兆字节数（MBps）和每秒完成的输入/输出量（IOPS）。

IBM DS4800 4 Gbps SAN 产品具有非常令人难忘的性能数据。

它可以提供最高 1724 MBps 的吞吐量和最高 575,000 的 IOPS。

为了达到 4 个 4 Gbps 端口的吞吐量，2 Gbps 存储阵列需要的主机端口数量将是4 Gbps 存储阵列的两倍。

这样就减少了 SAN 中每个阵列所需使用的端口数。

在主机方面，如果服务器需要 2 个以上的 2 Gbps 主机总线适配器 （HBA） 才能达到所需的性能（一台服务器至少应使用两个 HBA 才能达到所需的可用性），那么使用 4 Gbps 的 HBA，则需要的 HBA 数量就可以减少一半。