HDS存儲系統(tǒng)簡介及日常維護介紹-VSP課件

?2HDS高端存儲系統(tǒng)實施及維護程永寧?2HDS高端存儲系統(tǒng)實施及維護程永寧2?2內(nèi)容HDSVSP磁盤陣列簡介

存儲系統(tǒng)實施情況HDSUSP&VSP磁盤陣列日常維護HDS售后服務流程HDSHDLM軟件日常維護2?2內(nèi)容HDSVSP磁盤陣列簡介2?3縮略語DKCDiskController(盤機的控制柜部分)DKUDiskUnit(盤機的磁盤柜部分)DKADiskAdapter(后端卡，用于連接內(nèi)部磁盤)CHAChannelAdapter(前端卡，用于連接外部主機)CSWCrossbarSWitchSMShareMemoryCMCacheMemoryCP PCB 處理器板SVPServiceProcessor(系統(tǒng)控制臺，用于設備的管理)HDUHardDiskUnitHDDHardDiskDriver2?3縮略語2?HardwareArchitecture42?HardwareArchitecture42?5HitachiUniversalStoragePlatformV-ExternallyAttachedStorageVirtualizationImplementationExternallyAttachedStorageSystemIBM?z/OS?MainframeHostInternalDevicesHostViewDevicesSANESCON/FICONFibreChannelUSPVInternalDisksLUNLUNLUNLUNLUNLUNLDEVLDEVLDEVLDEVHDDLDEVVDEVLUNLUNVDEVVDEVTargetPortExternalPortArraygroupELUNLUNTargetPortLDEVLDEVELUNisaLUNthatismappedtoaLUNinexternalstoragedevice

TargetPortLUNUSPVorNSC55

orVSP2?5HitachiUniversalStorageP2?6SeamlessScalabilitywithSingleModeloftheHitachiUniversalStoragePlatformV

Commoncomponentsfrombaseunittomaximumconfiguration.Non-Disruptiveupgradefrombasetomaximum2?6SeamlessScalabilitywithS2?7VSPHardwareStructure

2?7VSPHardwareStructureController14–SASLinksController04–SASLinks4–SASLinks4–SASLinksExpanderExpanderEnclosures15DisksSASHDDSlot0SASHDDSlot1SASHDDSlot2SASHDDSlot3SASHDDSlot4SASHDDSlot13SASHDDSlot14 UniversalStoragePlatformVwith64FibreChannelloops VirtualStoragePlatformwith64SASlinksFC

ChannelvsSAS2.08?2005HitachiDataSystems21十一月2022Controller14–SASControllerVSP之多種硬盤驅(qū)動器支持2.5”drivecostcrossesover3.5”SASinterfacebecomesdominantFibrechannelwilldeclineonperformancedrivesFlashdrivesforperformancealternativeWorldwideperformance–OptimizedHDDforEnterpriseApplicationsAveragepriceperGigabyteFormFactor,2009-2014WorldwideHDDShipmentforEnterpriseApplicationsByInterface,2009-20149?2005HitachiDataSystems21十一月2022VSP之多種硬盤驅(qū)動器支持2.5”drivecost(1)Atv02(2)Allchannelconfiguration(3)OrderableinclusteredpairVSP最小配置VSP最大配置USPVVSPvs.USPV硬盤數(shù)量01280/20481152+77%虛擬化容量-255PB247PB+3%前端端口(8G)FC,FICON,FCoE(1)16(FC)192(FC)(2)192(FICON)(2)96(FCoE)FC4224/FC8112(2)FICON4112+70%(FC8)后端鏈路(6G)06464(FC-AL4G)+50%緩存大小32GB1TB(1)512GB2x緩存保護Flash(+battery)Flash(+battery)BatteriesVirtualStorageDirector(3)28無內(nèi)部帶寬

(DataandControlGB/s)-128/6468/39+79%能耗(滿配)-30KW(onephase)33.2KW(threephase)-48%(W/TB600GBHDD)VSP產(chǎn)品的技術(shù)指標10?2005HitachiDataSystems21十一月2022(1)Atv02(2)Allchannelcon機柜最大數(shù)量為6個:2controlchassis和16drivechassis*Allchannelconfiguration,**v02

Rack-00Rack-01Rack-02Rack-10Rack-11Rack-12Controller0Controller13,610mm2,006mm1,100mm1controlchassis2controlchassisHDD(2.5”)0-1,0240-2,048HDD(3.5”)0-6400-1,280Ports16-96*16-192*CacheUpto512GB**Upto1,024GB**VSP機柜示意圖密度提高40%每TB功耗降低40%機柜最大數(shù)量為6個:*Allchannelconfi2?VSPFrameTypesDiskController(DKC)FrameDiskUnit(DKU)orDiskArrayFrameDiskControllerFrameDiskArrayFRAMELogic-Box(750mm)(650mm)(1920mm)HDDBoxAC-DCPowerSupplyAC-DCPowerSupply(75.59in.)(25.59in.)122?VSPFrameTypesDiskControll2?13VSPHDDplacement2?13VSPHDDplacementVSPHDDinternelconnect2?14VSPHDDinternelconnect2?142?VSPFrameDKCfrontRearviewDiskController(DKC)Frame152?VSPFrameDKCfrontRearviCACHEPCBLED2?16CACHEPCBLED2?16CACHEPCB2?17CACHEPCB2?172?18VSPLEDandSwitch2?18VSPLEDandSwitchPanelswitch2?19Panelswitch2?19VSPSVP位置和端口說明2?20VSPSVP位置和端口說明2?202?21CHA端口編號如：Cluster1:CL1-ACL3-ACL5-ACL7-ACL1-BCL3-BCL5-BCL7-BCluster2:CL2-ACL4-ACL6-ACL8-ACL2-BCL4-BCL6-BCL8-B2?21CHA端口編號如：2?22SANTopologyServer_1Server_2Server_131Server_132CL-1CL-2Switch1Switch2HBAHBAHBAHBAUSP1&VSP1CL-1CL-2USP2&VSP22?22SANTopologyServer_1Serve2?23UniversalStoragePlatform日常維護介紹日常監(jiān)控的幾種方法使用USP的Callhome功能，進行自動監(jiān)控通過電話線或者網(wǎng)絡，使用USPSVP提供的Hi-track軟件對USP設備進行實時監(jiān)控，當發(fā)生故障時，Hi-track自動通過電話線或網(wǎng)絡與HDS的Hi-trackServer進行通信，并自動產(chǎn)生Case并通知相應工程師。此方法是完全自動的。定期觀察USP指示燈的狀態(tài)定期的檢查USP前面板上的指示燈來確定設備運行是否正常。使用ClientPC連接到SVP進行監(jiān)控通過客戶端的遠程桌面工具，通過網(wǎng)絡連接到VSPorUSPSVP上，對USP的運行狀態(tài)進行監(jiān)控。使用StorageNavigator進行監(jiān)控通過客戶端的IE或兼容的瀏覽器，通過網(wǎng)絡連接到VSPorUSPSVP中的ApacheServer中來對VSP，USP的運行狀態(tài)進行監(jiān)控。2?23UniversalStoragePlatform2?24硬件產(chǎn)品日常維護Hi-TrackTechnicalAssistanceCenterHi-TrackCenterServers(VariousPCs)-DataCollection-DataDisplay-DataAnalysis-Patch/FileXfr-IntranetWebAccess-TroubleAnalysis-RemoteConsole-OnlinePatch-InfoTransfer-FileXfrCallManagementHi-TrackDecisionAnalysisServer(NTServer)ClarifyProblemTrackingSystem(UNIX)-OpenProblemCase-PageCSR-SendEmailCustomerServiceRep-DispatchtoSiteFTPemailWWWVariousHi-TrackProtocolsLightning9900V9500V/AMSUSPVM&USP2?24硬件產(chǎn)品日常維護Hi-TrackTechnic2?25USPV指示燈介紹USP的指示燈1READY在運行狀態(tài)下常亮2ALARM通常不亮，在有部件損壞的情況下會亮紅燈3MESSAGE通常不亮，在系統(tǒng)有新的SIM產(chǎn)生的情況下會亮黃燈，但并不一定是有部件損壞7BS-ON黃燈常亮8PS-ON在設備開機的狀態(tài)下，此燈常亮。2?25USPV指示燈介紹USP的指示燈2?262?262?27使用ClientPC連接到VSPorUSP當中使用RemoteDesktopConnection工具，登錄到SVP中。用戶名：VSP：maintenanceraid-miante、etniam-diarUSP：AdministratorVSP口令：raid-miante、etniam-diarUSP：raid-login2?27使用ClientPC連接到VSPorUSP當中2?28查看SIM日志2?28查看SIM日志2?292?292?302?302?312?312?32truenorthSD24877412?32truenorthSD2487741https://2?332?332?34StorageNavigator介紹-1用戶登錄使用瀏覽器打開地址：

http://xxx.xxx.xxx.xxx/cgi-bin/utility/sjcmain.cgi

Username/Password:root/root2?34StorageNavigator介紹-1用戶登2?35StorageNavigator介紹-2通過StatusTab可以對設備的運行狀態(tài)進行監(jiān)控。OptionToolButtonsCapacityBox2?35StorageNavigator介紹-2通過S2?36USP故障申報流程1、定期檢查USPorVSP的運行狀態(tài)；2、當發(fā)現(xiàn)有故障發(fā)生的時候，使用RemoteDesktop工具連接到SVP；3、在ViewMode的模式下，點擊Information->Log->SIM查看并記錄SIM的內(nèi)容。4、在ViewMode的模式下，點擊Maintenance，查看是否有部件在“閃”和黃色的“！”。5、然后退出SVP，注意不要進行任何其他的操作。6、聯(lián)系并把記錄下來的SIM內(nèi)容提供給HDS工程師，或者撥打HDS的客服熱線4006786783申報故障。2?36USP故障申報流程1、定期檢查USPorVSP的2?37故障信息提取及反饋

序列號及型號HITACHIModelDKC-xxx-xxMFGNO.322722?37故障信息提取及反饋序列號及型號HITAC2?38故障信息提取及反饋

報修Model、SerialNo.聯(lián)系人、電話、SiteIDSimpleTrace/SVPSIMMicrocodeVersionSANTopologygetconfigApplicationP.R.CHDSCallCenterCustomerServiceRep4006786783Hi-Track2?38故障信息提取及反饋報修Model、Ser2?39HDLM多路徑管理軟件提供訪問SAN存儲的故障冗余功能，支持HDS和EMC產(chǎn)品通過主機的多HBA卡，實現(xiàn)路徑故障切換和負載均衡

通過分散負荷到多個路徑，提高系統(tǒng)性能。

提供應用程序的可用性，實施故障路徑的自動切換

可與其它多路徑軟件共存WindowsUNIX/Linux2?39HDLM多路徑管理軟件提供訪問SAN存儲的故障冗2?40故障路徑自動切換，提供系統(tǒng)可靠性故障切換和故障恢復路徑狀態(tài)自動檢查SimpleFailoverStorageApplicationsVolumeHDLMStandbyFailureReductionofBalancingPathsStorageWithLoadBalancingApplicationsVolumeHDLMServerServerFailure2?40故障路徑自動切換，提供系統(tǒng)可靠性故障切換和故障恢復S2?41負載均衡，提高系統(tǒng)性能HDLM分散負載到多個路徑LoadBalancingStorageApplicationsVolumesStorageApplicationsRegularDriverHDLMWithoutLoadBalancingWithLoadBalancingI/OBottleneckServerServerVolumes2?41負載均衡，提高系統(tǒng)性能HDLM分散負載到多個路徑Lo2?42Web-basedGUISimplifiesManagementHDLM有圖形管理介面LANServersSANHitachistoragesystemConsole2?42Web-basedGUISimplifiesM2?43PathStateTransitions2?43PathStateTransitions2?442?442?452?452?462?462?472?472?48HDLM日常使用及維護dlnkmgrview-path-drv-sys -ludlnkmgrsetdlnkmgronlinedlnkmgroffline2?48HDLM日常使用及維護dlnkmgrview2?49HDLM日常使用及維護dlnkmgrview-pathPaths:000016OnlinePaths:000016PathStatusIO-CountIO-ErrorsOnline1489519320PathIDPathNameDskNameiLUChaPortStatusTypeIO-CountIO-ErrorsDNumHDevName00000008.04.0000000000010000.0000HITACHI.DF600F.322900140AOnlineOwn000dlmfdrv000000108.04.0000000000010100.0000HITACHI.DF600F.322900141AOnlineNon000dlmfdrv0KAPL01001-ITheHDLMcommandcompletednormally.Operationname=view

2?49HDLM日常使用及維護dlnkmgrview-2?50HDLM日常使用及維護dlnkmgrview-sysHDLMVersion:05-62ServicePackVersion:LoadBalance:on(rr)SupportCluster:ElogLevel:3ElogFileSize(KB):9900NumberOfElogFiles:2TraceLevel:0TraceFileSize(KB):1000NumberOfTraceFiles:4PathHealthChecking:on(30)AutoFailback:offReservationStatus:IntermittentErrorMonitor:offKAPL01001-ITheHDLMcommandcompletednormally.Operationname=view,completiontime=2005/08/3112:00:00

2?50HDLM日常使用及維護dlnkmgrview-2?51dlnkmgroffline-pathid1Takepath1offlinedlnkmgronline-pathid1Bringpath1onlineExampleforHDLMoperation:dlnkmgrset–pchkon–intvl2TurnonPathHealthCheckingwithanintervaloftwosecondsdlnkmgrset–afbonTurnonAutoFailback2?51dlnkmgroffline-pathid12?52故障信息提取及反饋getconfiggetconfigHDS系統(tǒng)信息收集工具適用平臺：Windows、UNIX信息內(nèi)容：操作系統(tǒng)HDLM2?52故障信息提取及反饋getconfiggetc2?53Questions?40067867832?53Questions?4006786783?2HDS高端存儲系統(tǒng)實施及維護程永寧?2HDS高端存儲系統(tǒng)實施及維護程永寧2?55內(nèi)容HDSVSP磁盤陣列簡介

存儲系統(tǒng)實施情況HDSUSP&VSP磁盤陣列日常維護HDS售后服務流程HDSHDLM軟件日常維護2?2內(nèi)容HDSVSP磁盤陣列簡介2?56縮略語DKCDiskController(盤機的控制柜部分)DKUDiskUnit(盤機的磁盤柜部分)DKADiskAdapter(后端卡，用于連接內(nèi)部磁盤)CHAChannelAdapter(前端卡，用于連接外部主機)CSWCrossbarSWitchSMShareMemoryCMCacheMemoryCP PCB 處理器板SVPServiceProcessor(系統(tǒng)控制臺，用于設備的管理)HDUHardDiskUnitHDDHardDiskDriver2?3縮略語2?HardwareArchitecture572?HardwareArchitecture42?58HitachiUniversalStoragePlatformV-ExternallyAttachedStorageVirtualizationImplementationExternallyAttachedStorageSystemIBM?z/OS?MainframeHostInternalDevicesHostViewDevicesSANESCON/FICONFibreChannelUSPVInternalDisksLUNLUNLUNLUNLUNLUNLDEVLDEVLDEVLDEVHDDLDEVVDEVLUNLUNVDEVVDEVTargetPortExternalPortArraygroupELUNLUNTargetPortLDEVLDEVELUNisaLUNthatismappedtoaLUNinexternalstoragedevice

TargetPortLUNUSPVorNSC55

orVSP2?5HitachiUniversalStorageP2?59SeamlessScalabilitywithSingleModeloftheHitachiUniversalStoragePlatformV

Commoncomponentsfrombaseunittomaximumconfiguration.Non-Disruptiveupgradefrombasetomaximum2?6SeamlessScalabilitywithS2?60VSPHardwareStructure

2?7VSPHardwareStructureController14–SASLinksController04–SASLinks4–SASLinks4–SASLinksExpanderExpanderEnclosures15DisksSASHDDSlot0SASHDDSlot1SASHDDSlot2SASHDDSlot3SASHDDSlot4SASHDDSlot13SASHDDSlot14 UniversalStoragePlatformVwith64FibreChannelloops VirtualStoragePlatformwith64SASlinksFC

ChannelvsSAS2.061?2005HitachiDataSystems21十一月2022Controller14–SASControllerVSP之多種硬盤驅(qū)動器支持2.5”drivecostcrossesover3.5”SASinterfacebecomesdominantFibrechannelwilldeclineonperformancedrivesFlashdrivesforperformancealternativeWorldwideperformance–OptimizedHDDforEnterpriseApplicationsAveragepriceperGigabyteFormFactor,2009-2014WorldwideHDDShipmentforEnterpriseApplicationsByInterface,2009-201462?2005HitachiDataSystems21十一月2022VSP之多種硬盤驅(qū)動器支持2.5”drivecost(1)Atv02(2)Allchannelconfiguration(3)OrderableinclusteredpairVSP最小配置VSP最大配置USPVVSPvs.USPV硬盤數(shù)量01280/20481152+77%虛擬化容量-255PB247PB+3%前端端口(8G)FC,FICON,FCoE(1)16(FC)192(FC)(2)192(FICON)(2)96(FCoE)FC4224/FC8112(2)FICON4112+70%(FC8)后端鏈路(6G)06464(FC-AL4G)+50%緩存大小32GB1TB(1)512GB2x緩存保護Flash(+battery)Flash(+battery)BatteriesVirtualStorageDirector(3)28無內(nèi)部帶寬

(DataandControlGB/s)-128/6468/39+79%能耗(滿配)-30KW(onephase)33.2KW(threephase)-48%(W/TB600GBHDD)VSP產(chǎn)品的技術(shù)指標63?2005HitachiDataSystems21十一月2022(1)Atv02(2)Allchannelcon機柜最大數(shù)量為6個:2controlchassis和16drivechassis*Allchannelconfiguration,**v02

Rack-00Rack-01Rack-02Rack-10Rack-11Rack-12Controller0Controller13,610mm2,006mm1,100mm1controlchassis2controlchassisHDD(2.5”)0-1,0240-2,048HDD(3.5”)0-6400-1,280Ports16-96*16-192*CacheUpto512GB**Upto1,024GB**VSP機柜示意圖密度提高40%每TB功耗降低40%機柜最大數(shù)量為6個:*Allchannelconfi2?VSPFrameTypesDiskController(DKC)FrameDiskUnit(DKU)orDiskArrayFrameDiskControllerFrameDiskArrayFRAMELogic-Box(750mm)(650mm)(1920mm)HDDBoxAC-DCPowerSupplyAC-DCPowerSupply(75.59in.)(25.59in.)652?VSPFrameTypesDiskControll2?66VSPHDDplacement2?13VSPHDDplacementVSPHDDinternelconnect2?67VSPHDDinternelconnect2?142?VSPFrameDKCfrontRearviewDiskController(DKC)Frame682?VSPFrameDKCfrontRearviCACHEPCBLED2?69CACHEPCBLED2?16CACHEPCB2?70CACHEPCB2?172?71VSPLEDandSwitch2?18VSPLEDandSwitchPanelswitch2?72Panelswitch2?19VSPSVP位置和端口說明2?73VSPSVP位置和端口說明2?202?74CHA端口編號如：Cluster1:CL1-ACL3-ACL5-ACL7-ACL1-BCL3-BCL5-BCL7-BCluster2:CL2-ACL4-ACL6-ACL8-ACL2-BCL4-BCL6-BCL8-B2?21CHA端口編號如：2?75SANTopologyServer_1Server_2Server_131Server_132CL-1CL-2Switch1Switch2HBAHBAHBAHBAUSP1&VSP1CL-1CL-2USP2&VSP22?22SANTopologyServer_1Serve2?76UniversalStoragePlatform日常維護介紹日常監(jiān)控的幾種方法使用USP的Callhome功能，進行自動監(jiān)控通過電話線或者網(wǎng)絡，使用USPSVP提供的Hi-track軟件對USP設備進行實時監(jiān)控，當發(fā)生故障時，Hi-track自動通過電話線或網(wǎng)絡與HDS的Hi-trackServer進行通信，并自動產(chǎn)生Case并通知相應工程師。此方法是完全自動的。定期觀察USP指示燈的狀態(tài)定期的檢查USP前面板上的指示燈來確定設備運行是否正常。使用ClientPC連接到SVP進行監(jiān)控通過客戶端的遠程桌面工具，通過網(wǎng)絡連接到VSPorUSPSVP上，對USP的運行狀態(tài)進行監(jiān)控。使用StorageNavigator進行監(jiān)控通過客戶端的IE或兼容的瀏覽器，通過網(wǎng)絡連接到VSPorUSPSVP中的ApacheServer中來對VSP，USP的運行狀態(tài)進行監(jiān)控。2?23UniversalStoragePlatform2?77硬件產(chǎn)品日常維護Hi-TrackTechnicalAssistanceCenterHi-TrackCenterServers(VariousPCs)-DataCollection-DataDisplay-DataAnalysis-Patch/FileXfr-IntranetWebAccess-TroubleAnalysis-RemoteConsole-OnlinePatch-InfoTransfer-FileXfrCallManagementHi-TrackDecisionAnalysisServer(NTServer)ClarifyProblemTrackingSystem(UNIX)-OpenProblemCase-PageCSR-SendEmailCustomerServiceRep-DispatchtoSiteFTPemailWWWVariousHi-TrackProtocolsLightning9900V9500V/AMSUSPVM&USP2?24硬件產(chǎn)品日常維護Hi-TrackTechnic2?78USPV指示燈介紹USP的指示燈1READY在運行狀態(tài)下常亮2ALARM通常不亮，在有部件損壞的情況下會亮紅燈3MESSAGE通常不亮，在系統(tǒng)有新的SIM產(chǎn)生的情況下會亮黃燈，但并不一定是有部件損壞7BS-ON黃燈常亮8PS-ON在設備開機的狀態(tài)下，此燈常亮。2?25USPV指示燈介紹USP的指示燈2?792?262?80使用ClientPC連接到VSPorUSP當中使用RemoteDesktopConnection工具，登錄到SVP中。用戶名：VSP：maintenanceraid-miante、etniam-diarUSP：AdministratorVSP口令：raid-miante、etniam-diarUSP：raid-login2?27使用ClientPC連接到VSPorUSP當中2?81查看SIM日志2?28查看SIM日志2?822?292?832?302?842?312?85truenorthSD24877412?32truenorthSD2487741https://2?862?332?87StorageNavigator介紹-1用戶登錄使用瀏覽器打開地址：

http://xxx.xxx.xxx.xxx/cgi-bin/utility/sjcmain.cgi

Username/Password:root/root2?34StorageNavigator介紹-1用戶登2?88StorageNavigator介紹-2通過StatusTab可以對設備的運行狀態(tài)進行監(jiān)控。OptionToolButtonsCapacityBox2?35StorageNavigator介紹-2通過S2?89USP故障申報流程1、定期檢查USPorVSP的運行狀態(tài)；2、當發(fā)現(xiàn)有故障發(fā)生的時候，使用RemoteDesktop工具連接到SVP；3、在ViewMode的模式下，點擊Information->Log->SIM查看并記錄SIM的內(nèi)容。4、在ViewMode的模式下，點擊Maintenance，查看是否有部件在“閃”和黃色的“！”。5、然后退出SVP，注意不要進行任何其他的操作。6、聯(lián)系并把記錄下來的SIM內(nèi)容提供給HDS工程師，或者撥打HDS的客服熱線4006786783申報故障。2?36USP故障申報流程1、定期檢查USPorVSP的2?90故障信息提取及反饋

序列號及型號HITACHIModelDKC-xxx-xxMFGNO.322722?37故障信息提取及反饋序列號及型號HITAC2?91故障信息提取及反饋

報修Model、SerialNo.聯(lián)系人、電話、SiteIDSimpleTrace/SVPSIMMicrocodeVersionSANTopologygetconfigApplicationP.R.CHDSCallCenterCustomerServiceRep4006786783Hi-Track2?38故障信息提取及反饋報修Model、Ser2?92HDLM多路徑管理軟件提供訪問SAN存儲的故障冗余功能，支持HDS和EMC產(chǎn)品通過主機的多HBA卡，實現(xiàn)路徑故障切換和負載均衡

通過分散負荷到多個路徑，提高系統(tǒng)性能。

提供應用程序的可用性，實施故障路徑的自動切換

可與其它多路徑軟件共存WindowsUNIX/Linux2?39HDLM多路徑管理軟件提供訪問SAN存儲的故障冗2?93故障路徑自動切換，提供系統(tǒng)可靠性故障切換和故障恢復路徑狀態(tài)自動檢查SimpleFailoverStorageApplicationsVolumeHDLMStandbyFailureReductionofBalancingPathsStorageWithLoadBalancingApplicationsVolumeHDLMServerServerFailure2?40故障路徑自動切換，提供系統(tǒng)可靠性故障切換和故障恢復S2?94負載均衡，提高系統(tǒng)性能HDLM分散負載到多個路徑LoadBalancingStorageApplicationsVolumesStorageApplicationsRegularDriverHDLMWithoutLoadBalancingWithLoadBalancingI/OBottleneckServerServerVolumes2?41負載均衡，提高系統(tǒng)性能HDLM分散負載到多個路徑Lo2?95Web-basedGUISimplifiesManagementHDLM有圖形管理介面LANServersSANHitachistoragesystemConsole2?42Web-basedGUISimplifiesM2?96PathStateTransitions2?43PathStateTransitions2?972?442?982?452?992?462?1002?472?101HDLM日常使用及維護dlnkmgrview