Dell PowerVault NX1950 Manuel d'utilisateur

www.dell.com | support.dell.comDell™ PowerVault™ NX1950 SystemsEnd-to-End Deployment Guide for iSCSIModel EMU01

10 Introduction• You can configure Initiators with one or two dedicated NICs for iSCSI, based on your requirement. NOTE: Table 1-1 and Table 1-2 prov

Introduction 11• It is a good practice to have two dual-port Network Interface Cards (NICs), with two ports dedicated for iSCSI. Configure each NIC on

12 IntroductionFigure 1-1. Redundant iSCSI Paths and NIC Teaming for Data Sharing With Four NICspublic networkhost (Initiator)PowerVault NX1950 storag

Introduction 13Figure 1-2. Redundant iSCSI Paths With Three NICspublic networkhost (Initiator)PowerVault NX1950 storage solutionpublic networkiSCSI tr

14 IntroductionFigure 1-3. Non-Redundant iSCSI Path With Three NICs NOTE: For 3.0 iSCSI Target—In Figure 1-4 and Figure 1-5, both Initiators can commu

Introduction 15Figure 1-4. Redundant iSCSI Paths Using Four NICspublic networkhost (Initiator)PowerVault NX1950 storage system (cluster node)PowerVaul

16 IntroductionFigure 1-5. Non-Redundant iSCSI Paths Using Four NICs• For more information about the pre-requisites to configure the PowerVault NX1950

Quick Install Steps for Initiator-Target Connection 172Quick Install Steps for Initiator-Target ConnectionThis section is targeted towards advanced us

18 Quick Install Steps for Initiator-Target Connection3If you are using the PowerVault NX1950 cluster solution with a storage array, perform the follo

Quick Install Steps for Initiator-Target Connection 19Configuring iSCSI Connection With the PowerVault NX1950 Storage SolutionCreating the Target 1Fro

Notes, Notices, and Cautions NOTE: A NOTE indicates important information that helps you make better use of your computer. NOTICE: A NOTICE indicates

20 Quick Install Steps for Initiator-Target Connection9If you choose the Advanced option, you can select the IQN identifier by performing the followin

Quick Install Steps for Initiator-Target Connection 215The Access screen appears. In the Add option, specify the iSCSI Targets that access the Virtual

22 Quick Install Steps for Initiator-Target Connection3To create a target, follow the instructions in "Creating the Target" on page 19 and t

Quick Install Steps for Initiator-Target Connection 23Verify the iSCSI HA Instance Creation (Optional)1In any PowerVault NX1950 cluster node, go to St

24 Quick Install Steps for Initiator-Target Connection5In the Log On to Target window, click OK.The Ta rg et s tab displays the status of the Target a

Quick Install Steps for Initiator-Target Connection 25Pre-RequisitesBefore you perform iSCSI Target discovery, perform the following steps:1Download t

26 Quick Install Steps for Initiator-Target Connection4To create a target, follow the instructions in "Creating the Target" on page 19 and t

Detailed End-to-End iSCSI Setup 273Detailed End-to-End iSCSI SetupThis section describes the end-to-end iSCSI setup, including settings for the iSCSI

28 Detailed End-to-End iSCSI Setup2Add the newly-created highly available iSCSI instances as a resource group. The newly-created highly available iSCS

Detailed End-to-End iSCSI Setup 293The Microsoft iSCSI Initiator Installation screen appears. The options Initiator Service and Software Initiator are

Contents 3Contents1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . 7Terms and Definitions . . . . . . . . . . . . . . . . . . . 8Power

30 Detailed End-to-End iSCSI SetupConfiguring the Microsoft iSCSI InitiatorAfter the installation is complete, you can use the iSCSI Initiator to mana

Detailed End-to-End iSCSI Setup 31Figure 3-1. The PowerVault NX1950 Configuration Tasks Window2Launch the PowerVault NX1950 Management Console—When yo

32 Detailed End-to-End iSCSI SetupFigure 3-2. PowerVault NX1950 Management ConsoleIn Figure 3-2, the Scenarios section in the middle pane provides sev

Detailed End-to-End iSCSI Setup 33Figure 3-3. Provision Storage WizardbThe Storage Subsystem screen appears and prompts you to select at least one sto

34 Detailed End-to-End iSCSI SetupeThe Server Assignment screen appears. Choose the This server only option and click Next. NOTE: The LUN that you ha

Detailed End-to-End iSCSI Setup 35cThe Review Settings and Create Storage screen appears. Review the storage settings and click Create.The Storage pro

36 Detailed End-to-End iSCSI Setup6Configuring NICs for iSCSI traffic in the PowerVault NX1950 storage solution in cluster mode— If you are setting up

Detailed End-to-End iSCSI Setup 37To configure the iSCSI HA instance perform the following steps in all nodes of cluster system: NOTE: To perform thi

38 Detailed End-to-End iSCSI Setup7Perform the following steps to create iSCSI Targets:Figure 3-4. Creating iSCSI Targets NOTE: In the PowerVault NX19

Detailed End-to-End iSCSI Setup 39eIn the iSCSI initiators identifiers screen, enter the iSCSI Qualified Name (IQN) of the iSCSI Initiator. You can ma

4 ContentsMethod 2 (Discovery Using iSNS Server) . . . . . . . . 24Pre-Requisites . . . . . . . . . . . . . . . . . . . 25Configuring Settings Fro

40 Detailed End-to-End iSCSI SetupaRight-click on the Target name to launch the Create Virtual Disk Wizard.bClick Next. The File screen appears.Create

Detailed End-to-End iSCSI Setup 41Configuring DevicesYou can perform all operations related to Virtual Disks (Devices) using the following options in

42 Detailed End-to-End iSCSI Setup2Go to iSCSI Initiator Ta rg et s tab.The IQN of the Targets is listed and status is displayed as Inactive. Select o

Detailed End-to-End iSCSI Setup 43cIn the Advanced Settings window, select the redundant iSCSI IP address of the PowerVault NX1950 storage system.Sele

44 Detailed End-to-End iSCSI SetupcIn the Specify Partition size screen, specify the partition size. Click Next.dIn the Assign Drive Letter or Path sc

Detailed End-to-End iSCSI Setup 45To automate the creation of snapshots and the mounting of iSCSI Virtual Disks for regular backups, you can use the S

46 Detailed End-to-End iSCSI Setup3After making necessary changes, click OK. NOTICE: Although you do not change the default settings, go to Volume→ P

Detailed End-to-End iSCSI Setup 477The Virtual Disks screen appears and displays two options. Include all Virtual Disks (default)Include only the sele

48 Detailed End-to-End iSCSI Setup• Export Snapshot—Use this option to make Snapshot available to a remote system or to take a redundant copy of a Sna

Detailed End-to-End iSCSI Setup 49• Rollback—Use this option to rollback an iSCSI Virtual Disk to a previous Snapshot. This operation uses the temp di

Contents 54 Configuring Secured iSCSI Connections Using Challenge-Handshake Authentication Protocol . . . . . . . . . . . . . 51CHAP vs IPSec . . .

50 Detailed End-to-End iSCSI Setup5If you want to remove Target IQN name entries, go to the Discovery tab and remove the IP address/DNS name of the Po

Secured iSCSI Using Challenge-Handshake Authentication Protocol 514Configuring Secured iSCSI Connections Using Challenge-Handshake Authentication Prot

52 Secured iSCSI Using Challenge-Handshake Authentication ProtocolCHAP vs IPSecCHAP authenticates the peer of a connection and is based upon the peers

Secured iSCSI Using Challenge-Handshake Authentication Protocol 53iSCSI Initiator Settings1Go to the Discovery tab.2Log in to the Target on which you

54 Secured iSCSI Using Challenge-Handshake Authentication ProtocolTarget SettingsConfigure the Target settings of CHAP as described in "iSCSI Tar

Appendix 55AAppendixThe previous chapters in this document describe the procedures for basic iSCSI session/connection information. This chapter briefl

56 AppendixFigure A-1. General Tab in iSCSI Initiator Properties WindowThe General tab includes three options namely—Change, Secret and Tun ne l.• Cha

Appendix 57Figure A-2. Discovery Tab in iSCSI Initiator Properties Window NOTE: If you are using the PowerVault NX1950 cluster solution configured wit

58 AppendixTargets TabThe Ta rg e ts tab provides the list of individual Targets available to the iSCSI Initiator. In the following example, three Ta

Appendix 59If multiple-paths to the Target are available, then you must describe each path to the iSCSI Initiator. To describe multiple paths to the I

6 ContentsBest Practices for Efficient Storage Management . . . 67Storage Manager for SANs. . . . . . . . . . . . . 67LUN Management for iSCSI Sub

60 AppendixPersistent Targets TabYou can configure Persistent Targets so that the connection to the Target is automatically restored when the system r

Appendix 61Figure A-6. Bound Volumes/Devices Tab in iSCSI Initiator Properties WindowAdvanced Configuration DetailsEnabling Multi-Path on the Initiato

62 AppendixUsing the Advanced OptionYou can use the Advanced option to perform the following functions:•Go to iSCSI Initiator Properties→ Tar ge ts ta

Appendix 63Devices TabThe Devices tab of Target Properties screen provides generic device details like the Virtual Disks that are associated with Targ

64 Appendix•Round Robin With Subset—The round robin subset policy executes the round robin policy only on paths designated as active. The stand-by pat

Appendix 656The End User License Agreement screen appears. Read the agreement and click Agree to install the program.7The Microsoft iSNS Service Setup

66 AppendixTo configure the iSNS Server, perform the following steps.1Log on to the server where you have installed the iSNS Server 3.0 and go to Star

Appendix 67Best Practices for Efficient Storage ManagementStorage Manager for SANsStorage Manager for SANs is a Microsoft Management Console snap-in t

68 AppendixRelated LinksFor more information on storage for Microsoft Windows Storage Server 2003 operating systems and iSCSI in particular, see the f

Index 69IndexNumerics3.0 iSCSI Target, 93.1 iSCSI Target, 9CCHAP, 51mutual, 53one-way, 52IInitiatorConfiguring, 18iSCSI, 7iSNS, 8MMicrosoft iSCSI Init

Introduction 71IntroductionThis document provides information about configuring the Internet Small Computer System Interface (iSCSI) Software Target o

70 Index

8 IntroductionTerms and DefinitionsThe following sections describe the terms used in this document.PowerVault NX1950 Storage Solution Vs. PowerVault N

Introduction 9Active/Passive Vs. Active/Active iSCSIIn a PowerVault NX1950 cluster solution that is configured with a 3.0 iSCSI Target, only one node