Dell PowerVault NX3000 Manuel d'utilisateur Page 1

www.dell.com | support.dell.comDell™ PowerVault™Network Attached Storage(NAS) SolutioniSCSI Deployment Guide

10 Introduction• It is a good practice to have two ports dedicated for iSCSI. Configure each NIC (or ports if you have a multiport NIC) on a separate

Introduction 11Figure 1-1. Redundant iSCSI Paths and NIC Teaming for Data Sharing With Four NICs NOTE: For a detailed configuration of the iSCSI Targe

12 IntroductionFigure 1-2. Redundant iSCSI Paths With Three NICs NOTE: For a detailed configuration of the iSCSI Target, see "Target Details"

Setup Steps for Initiator-Target Connection 13Setup Steps for Initiator-Target ConnectionThis section provides step-by-step instructions to set up an

14 Setup Steps for Initiator-Target ConnectionThe following steps guide you through setting up an iSCSI Target and establishing connection from an Ini

Setup Steps for Initiator-Target Connection 156The Create iSCSI Target wizard displays the iSCSI Target Identification option. Enter a Name and Descri

16 Setup Steps for Initiator-Target ConnectionfSelect Next. NOTE: IQNs work regardless of the DNS configuration. You can also specify the IP address

Setup Steps for Initiator-Target Connection 17Log on - Configuring the Initiator-Target Connection From Initiator (Host)1From the iSCSI Initiator (hos

18 Setup Steps for Initiator-Target Connection8To initialize and configure the iSCSI device as local drive and perform iSCSI I/O operations, select Co

Setup Steps for Initiator-Target Connection 19Setting Up the Target (PowerVault Storage System)1From the PowerVault storage system, go to Start→ Serve

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

20 Setup Steps for Initiator-Target Connection

Target Details 21Target DetailsThis section describes the end-to-end iSCSI setup, including settings for the iSCSI Initiator, Target, and establishin

22 Target Details2Preparing LUNs for use—The PowerVault NAS storage solution runs on a Microsoft Windows® operating system based platform. The steps t

Target Details 234Creating iSCSI Targets—To create an iSCSI Target:Figure 3-1. Creating iSCSI TargetsaIn the PowerVault NAS Management Console, right

24 Target Details•Go to Advanced Identifier→ Add→ Add/Edit Identifier→ Identifier Type and select either IQN, DNS Domain Name, IP address, or MAC Addr

Target Details 25dChoose the size for the virtual disk and click Next. For this example, we choose a size of 100 GB from the available 501 GB on this

26 Target Details• Create Snapshot—You can take a snapshot of the virtual disk contents at any given instance.• Disk Access—Mount Read/Write (Provisio

Target Details 27dIn the Assign Drive Letter or Path screen, assign the driver letter from drop-down menu. Click Next.eIn the Format Partition screen

28 Target DetailsSnapshots that are created on the iSCSI Target server are crash consistent. iSCSI snapshots are created using VSS and a storage array

Target Details 293After making necessary changes, click OK. CAUTION: Even if you do not change the default settings, go to Volume→ Properties→ Shado

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

30 Target Details7The Frequency screen appears and lists the different options namely—Daily, Weekly, Monthly, and On-time only. Choose one option and

Target Details 31• Delete snapshot—Select the snapshot that you want to delete, right-click the snapshot and click Delete. NOTE: You cannot delete

32 Target DetailsDisconnecting/Cleaning Up iSCSI DevicesThis section describes the procedure for cleanup operations to be performed on iSCSI devices.

Target Details 333To delete a virtual disk, choose the Devices option, right-click on the virtual disk from middle pane, and select Delete Virtual Di

34 Target Details

Configuring Secured iSCSI Connections Using CHAP 35Configuring Secured iSCSI Connections Using Challenge-Handshake Authentication ProtocolFew security

36 Configuring Secured iSCSI Connections Using CHAPCHAP vs IPSecCHAP authenticates the peer of a connection and is based upon the peers sharing a secr

Configuring Secured iSCSI Connections Using CHAP 37iSCSI Initiator Settings1Go to the Discovery tab.2Log in to the Target on which you have enabled CH

38 Configuring Secured iSCSI Connections Using CHAPTarget SettingsConfigure the Target settings of CHAP as described in "iSCSI Target Settings&qu

Appendix 39AppendixThe previous chapters in this document describe the procedures for basic iSCSI session/connection information. This chapter briefly

4 Contents3 Target Details . . . . . . . . . . . . . . . . . . . . 21Setting Up Target IP Addresses in the PowerVault™NAS Storage Solution . . . .

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

Appendix 41Figure A-2. Discovery Tab in iSCSI Initiator Properties WindowiSNS Servers—You can also perform Target discovery using iSNS servers.Add the

42 AppendixTargets TabThe Targets tab provides the list of individual Targets available to the iSCSI Initiator. In the following example, three Target

Appendix 43If multiple-paths to the Target are available, then you must describe each path to the iSCSI Initiator. To describe multiple paths to the I

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

Appendix 45Figure A-6. Bound Volumes/Devices Tab in iSCSI Initiator Properties WindowAdvanced Configuration DetailsEnabling Multi-Path on the Initiato

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

Appendix 47Devices TabThe Devices tab of Target Properties screen provides generic device details like the virtual disks that are associated with Targ

48 AppendixProperties TabThe Properties tab of Target Properties screen provides information about Target Alias, Authentication, Associated Network po

Appendix 49Configuring the iSNS ServeriSNS server performs the automatic discovery of iSCSI Initiators and Targets; after you register them with iSNS

Contents 5Advanced Configuration Details . . . . . . . . . . . . 45Enabling Multi-Path on the Initiator . . . . . . . . 45Using the Advanced Opti

50 Appendix2You can use the Discovery Domains feature to group certain Initiators with Targets with specific access:aGo to iSNS Server Properties→ Dis

Appendix 51Securing data on an iSCSI SAN—To help secure data transfers between the server and the subsystem, configure security for the login sessions

52 AppendixThe wizard was unable to import one or more virtual disks. Make sure that the files are not in use, and then run the wizard again.• Initiat

Appendix 53server running Microsoft iSCSI Software Target has IP addresses that are not used to communicate with the Initiator. The Initiator attempts

54 Appendix

Index 55IndexBbest practicessetting up the iSCSI storage area network, 9CCHAP, 35mutual, 37one-way, 36configuringInitiator, 18Initiator (host), 14Init

56 Index

6 Contents

Introduction 7IntroductionThis document provides information about configuring the Internet Small Computer System Interface (iSCSI) Software Target on

8 IntroductionTerms and DefinitionsThe following sections describe the terms used in this document.PowerVault Storage SystemThroughout this document,

Introduction 9Before Setting Up the PowerVault Storage Solution as an iSCSI TargetBefore you set up your storage solution as an iSCSI Target, read thi