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EMC2 AX100 Series Installing

Installing an iscsi storage system with a network connection to a windows server
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Installing an iSCSI Storage System with
a Network Connection to a Windows
If you want to connect an AX100-Series iSCSI (Internet SCSI) storage
system - AX100SCi or AX100i - through a network to a Microsoft
®
Windows
server, this document is for you. You can use the procedures
in this document to install configurations with a new or existing storage
system that you want to connect to a new or existing server.
The main topics are
AX100 Support Website........................................................................2
Terminology ...........................................................................................3
Before You Start .....................................................................................4
Installing NICs or iSCSI HBAs in the Server.....................................7
Upgrading to PowerPath iSCSI .........................................................18
Installing the Navisphere Server Utility ..........................................19
Installing the UPS (AX100i Only)......................................................20
Unpacking the Storage System..........................................................21
Installing the Storage System.............................................................23
Installing Additional Disks ................................................................27
AX100-Series
Server
Revision A04
July 25, 2005
1

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  • Page 1: Table Of Contents

    AX100-Series Installing an iSCSI Storage System with a Network Connection to a Windows Server Revision A04 July 25, 2005 If you want to connect an AX100-Series iSCSI (Internet SCSI) storage system - AX100SCi or AX100i - through a network to a Microsoft ®...

  • Page 2: Ax100 Support Website

    AX100 Support Website Initializing the Storage System ............44 Connecting iSCSI Ports ..............50 Setting Network Parameters for Storage-System iSCSI Ports ..52 Configuring iSCSI Initiators for a Configuration without iSNS .. 54 Configuring the iSNS Client on the Storage System ..... 58 Configuring iSCSI Initiators for a Configuration with iSNS ..

  • Page 3: Terminology

    Terminology Terminology This document uses the terms new and existing to refer to storage systems, servers, and host bus adapters (HBAs) as follows: CHAP Challenge Handshake Authentication Protocol. An optional security mechanism to control access to an iSCSI storage system over the iSCSI data ports. Existing NIC or iSCSI The network interface card (NIC) or host bus adapter (HBA) that is already installed in a server.

  • Page 4: Before You Start

    Before You Start Before You Start Before you start the installation procedure Review the Supported Configurations in the "Technical descriptions" section on the AX100 website to confirm that the following are supported: The server hardware that will access the storage system The operating system version running on the server hardware.
  • Page 5 Before You Start For a new storage system installation, you need An AX100SCi or AX100i storage system and the power cord(s), rails, and CDs that ship with it. For an AX100i storage system (dual-SP system), an uninterruptible power supply (UPS) kit, including the power cords, UPS sense (serial) cable, and mounting hardware.
  • Page 6 Before You Start One or more supported network interface cards (NICs) or QLogic iSCSI host bus adapters (HBAs), which may already be installed in the server. These adapters must have the latest supported BIOS and driver. For information on supported HBAs, BIOS, and drivers, refer to Supported Configurations in the "Technical descriptions"...

  • Page 7: Installing Nics Or Iscsi Hbas In The Server

    Installing NICs or iSCSI HBAs in the Server Installing NICs or iSCSI HBAs in the Server For the server to communicate with the storage system through the iSCSI ports, the server must have one or more supported network interface cards (NICs) or iSCSI host bus adapters (iSCSI HBAs). If the NICs or iSCSI HBAs are already installed, go to Installing or Updating the NIC or iSCSI HBA Driver...
  • Page 8 Installing NICs or iSCSI HBAs in the Server 2. Remove the outer covers from the server so that you can access the PCI bus slots. For information on how to remove the covers from the server, refer to the installation documentation supplied with the server. 3.

  • Page 9: Installing Or Updating The Nic Or Iscsi Hba Driver

    Installing or Updating the NIC or iSCSI HBA Driver Installing or Updating the NIC or iSCSI HBA Driver The server must run a supported NIC or iSCSI HBA driver. For information on the supported HBA drivers, refer to Supported Configurations in the "Technical descriptions" section on the AX100 support website.
  • Page 10 Installing or Updating the NIC or iSCSI HBA Driver Install or Update the NIC or iSCSI HBA Driver 1. Install any updates, such as hot fixes, service packs, or patches, to the server’s operating system that are required for the NIC or iSCSI HBA driver version you are installing.

  • Page 11: Installing Nic Or Iscsi Hba Initiator Configuration Software

    Installing NIC or iSCSI HBA Initiator Configuration Software Installing NIC or iSCSI HBA Initiator Configuration Software You must install NIC or iSCSI HBA initiator configuration software on each server with NICs or iSCSI HBAs that you will connect to the storage system.
  • Page 12 Installing NIC or iSCSI HBA Initiator Configuration Software 9. Read and accept the license agreement and click Next to install the software. 10. At the completion screen, click Finish if this is a new installation. If this is an upgrade, you must reboot the system to apply the updates.

  • Page 13: Assigning An Ip Address To Nics Or Iscsi Hbas

    Assigning an IP Address to NICs or iSCSI HBAs Assigning an IP Address to NICs or iSCSI HBAs You must assign an IP address to each NIC or iSCSI HBA in the server that will be connected to the storage system. For the NIC or iSCSI HBA IP addresses, refer to the Administration Worksheet or the planning guide which shipped with your storage system and which you should have completed when you planned your configuration.

  • Page 14: Installing Powerpath Or Powerpath Iscsi On The Server

    Installing PowerPath or PowerPath iSCSI on the Server Installing PowerPath or PowerPath iSCSI on the Server ® For all configurations you must install PowerPath or PowerPath iSCSI on each server that you will connect to the storage system. PowerPath or PowerPath iSCSI manages the data paths between the server and storage system.
  • Page 15 Installing PowerPath or PowerPath iSCSI on the Server Install PowerPath or PowerPath iSCSI on the Server At this time, PowerPath iSCSI supports Windows Server 2003 only. Check your PowerPath release notes for future support for Windows 2000. For information on integrating PowerPath into an existing MSCS cluster, refer to the PowerPath for Windows Installation and Administrator’s Guide under on the AX100 support PowerPath on the "Technical descriptions"...
  • Page 16 Installing PowerPath or PowerPath iSCSI on the Server where d is the CD drive letter x.y.z is the revision of PowerPath on the CD. If you do not know whether your Windows 2003 Server is 32-bit or 64-bit, assume it is 32-bit. Alternatively, double-click the platform-specific .exe icon in the appropriate directory on the CD.
  • Page 17 Installing PowerPath or PowerPath iSCSI on the Server If you have additional questions about entering licenses, consult the online help file by pressing F1 from the EMC Licensing Tool. You must have Internet Explorer 5.0 or higher to view these files. If you do not have this browser installed, you may still view the help file, EmcLicTool.chm, directly from the \help folder on the PowerPath installation CD.

  • Page 18: Upgrading To Powerpath Iscsi

    Upgrading to PowerPath iSCSI Upgrading to PowerPath iSCSI PowerPath iSCSI is required for Microsoft MPIO-based failover. See the PowerPath release notes for supported operating system versions. CAUTION This procedure requires that you reboot the server that you want to upgrade. Before You Start You will need to Verify that the storage system is running PowerPath version 4.3.1...

  • Page 19: Installing The Navisphere Server Utility

    Installing the Navisphere Server Utility Install a PowerPath iSCSI Patch Check the PowerPath part of the Register to download software section on the AX100 support website for a patch to the version of PowerPath iSCSI that you just installed. If such a patch is available, install it, as described in the readme file that accompanies the patch.

  • Page 20: Installing The Ups (Ax100I Only)

    Installing the UPS (AX100i Only) 7. Click Finish to exit the wizard. 8. Remove the CD from the CD drive. Installing the UPS (AX100i Only) Read this section if you are installing a new AX100i (dual-SP) storage system. You install the storage system and the uninterruptible power supply (UPS) in a 19-inch NEMA-standard cabinet/rack.

  • Page 21: Unpacking The Storage System

    Unpacking the Storage System Unpacking the Storage System Read this section if you are installing a new storage system. 1. Unpack the storage system as shown on the shipping carton. CAUTION The disks in slots marked 0-2 (AX100SCi, single-SP storage system) and 0-3 (AX100i, dual-SP system) are preloaded with storage-system software according to their slot assignment before shipment.
  • Page 22 Unpacking the Storage System HW S/N XXX 000NNNNNNNN EMC3030 Serial Number Location Figure 2 3. Observe the physical and functional differences between the • 1-gigabit iSCSI ports (iSCSI 1000 LAN connections in Figure 3) used for data and referred to as data ports, and •...

  • Page 23: Installing The Storage System

    Installing the Storage System Installing the Storage System Read this section if you are installing a new storage system. You install the storage system in a 19-inch NEMA-standard cabinet/rack. Before You Start To complete this procedure, you need the mounting hardware that shipped with the storage system.
  • Page 24 Installing the Storage System Alignment Pins Adjustable Rail Right Rear Right Front Screw (2) Screw (2) Alignment Pin (2) Mounting Rail Mounting Rail EMC2829 Installing Storage-System Mounting Rails in a 19-inch NEMA Cabinet Figure 4 2. If the plastic front bezel is attached, remove it. 3.
  • Page 25 Installing the Storage System WARNING The equipment is heavy and should be installed into a rack by two people. To avoid personal injury and/or damage to the equipment, do not attempt to lift and install the unit into a rack without a mechanical lift and/or help from another person.
  • Page 26 Installing the Storage System 6. Snap the front bezel onto the storage system (Figure 7). EMC2935 Securing the Chassis and Installing the Front Bezel Figure 7 What Next? If you have additional disks to install, continue to the next section, Installing Additional Disks (page 27).

  • Page 27: Installing Additional Disks

    Installing Additional Disks Installing Additional Disks Read this section if you received any disks that are not already installed in the storage system. Handling FRUs This section describes the precautions that you must take and the general procedures you must follow when removing, installing, and storing disk drive modules or any other Field Replaceable Unit (FRU).
  • Page 28 Installing Additional Disks An ESD wristband is supplied with your storage system. To use it, attach the clip of the ESD wristband (strap) to any bare (unpainted) metal on the storage system; then put the wristband around your wrist with the metal button against your skin. Use the ESD kit when handling any FRU.
  • Page 29 Installing Additional Disks Add Disk Modules CAUTION Disk modules are extremely sensitive electronic components. Always handle a disk module gently, and observe the following guidelines: Always replace a disk module with another of the same model. Contact your sales/service representative for a list of approved disk replacements.
  • Page 30 Installing Additional Disks Unlock and Remove the Front Bezel Follow these steps to remove the front bezel and gain access to the disk modules (Figure 8). 1. Insert the key that shipped with your storage system into the bezel lock, and turn it to release the lock. 2.
  • Page 31 Installing Additional Disks Remove a Disk Filler Module Locate the slot where you want to install the disk module, and remove the filler module (Figure 9). Filler EMC2810 Figure 9 Removing a Disk Filler Module AX100-Series - Installing an iSCSI Storage System with a Network Connection to a Windows Server...
  • Page 32 Installing Additional Disks Install a Disk Module 1. Make sure an ESD wristband is attached to your wrist and the storage system (see the precautions on page 28). 2. Align the module with the guides in the slot. 3. Gently push the module completely into the slot (Figure 10). To ensure that the module seats completely, push in on the disk label as you engage the latch.
  • Page 33 Installing Additional Disks Install and Lock the Front Bezel Refer to Figure 11 as you do the following: 1. Align the bezel with the storage system. 2. Gently push the bezel into place on the cabinet until it latches. 3. Secure the bezel by turning the key in the lock. EMC2935a Installing and Locking the Front Bezel Figure 11...

  • Page 34: Connecting Ac Power To An Ax100Sci Storage System

    Connecting ac Power to an AX100SCi Storage System Connecting ac Power to an AX100SCi Storage System Read this section if you are connecting power to anAX100SCi (single-SP) storage system. If you are connecting power to anAX100i (dual-SP) storage system, go to Connecting ac Power to an AX100i Storage System (page 37).
  • Page 35 Connecting ac Power to an AX100SCi Storage System AX100SCi EMC3038 Retention Bail EMC2991 Connecting ac Power to an AX100SCi Storage System Figure 12 The first time you connect the storage system to an ac power source, it immediately begins to power up: BIOS, POST, and operating system boot.
  • Page 36 Connecting ac Power to an AX100SCi Storage System the storage system turn on and remain on as long as power is applied to the storage system (Figure 13). The amber SP Boot/Fault light flashes to indicate powerup progress. The Disk Activity lights on the front of the storage system light intermittently as the disks spin up and disk I/O begins.

  • Page 37: Connecting Ac Power To An Ax100I Storage System

    Connecting ac Power to an AX100i Storage System If You Need to Power Down the Storage System For an orderly shutdown that protects your cache data, use the storage-system power button. The storage system takes a full minute to power down after you press the power button. So after powering down the storage system, wait one minute before powering it on again.
  • Page 38 Connecting ac Power to an AX100i Storage System Connect the UPS Serial Cable to the AX100i Storage System CAUTION Be sure to use the unique serial cable supplied with your UPS; a standard null-modem or other service serial cable may look identical, but will not work.
  • Page 39 Connecting ac Power to an AX100i Storage System 3. Plug each storage-system power cord into an ac power source as follows: Do not connect more than one power supply to the UPS. a. Plug the storage-system power cord connected to the SP A power supply into the power outlet on the UPS.
  • Page 40 Connecting ac Power to an AX100i Storage System RJ45-DB9 Adapter Cable UPS Serial Cable (Shipped with UPS) EMC3039 Retention Bail To PDU Power To UPS EMC3008 Connecting ac Power to an AX100i Storage System Figure 14 AX100-Series - Installing an iSCSI Storage System with a Network Connection to a Windows Server...
  • Page 41 Connecting ac Power to an AX100i Storage System The first time you connect the storage system to an ac power source, it immediately begins to power up: BIOS, POST, and operating system boot. The green power lights (LEDs) on the front and back of the storage system turn on and remain on as long as power is applied to the storage system (Figure 15).

  • Page 42: Connecting The Storage-System Management Ports

    Connecting the Storage-System Management Ports CAUTION Press the power button only briefly to power up the storage system. Pressing the power button for more than four seconds while the storage system powers up may affect initialization parameters. If You Need to Power Down the Storage System For an orderly storage-system shutdown that protects your cache data, use the storage-system power button (not the UPS power switch).
  • Page 43 Connecting the Storage-System Management Ports Cable the Storage-System Management Ports to the Network For each SP, connect one end of a LAN cable to the 10/100 management port on the SP and the other end to the network from which you will manage the storage system (Figure 16). Be sure you do not connect the LAN cable to the iSCSI data, serial, or UPS ports.

  • Page 44: Initializing The Storage System

    Initializing the Storage System Initializing the Storage System Read this section if you are installing a new storage system. After the storage system is fully powered up for the first time, you need to use the Navisphere Storage System Initialization Utility to initialize it.
  • Page 45 Initializing the Storage System A Windows 2000 or Windows Server 2003 computer host on the same subnet as the storage system. This requirement is for initialization only. The AX-Series Server Support CD that shipped with the storage system. Install the Navisphere Storage System Initialization Utility 1.
  • Page 46 Initializing the Storage System Rear Lights SP B Boot/Fault Power Supply B Fault SP A Boot/Fault Power Supply A Fault Power EMC3018a Front Lights Fault Disk Activity Power EMC2934 Storage-System Lights (LEDs) Figure 17 2. Start the Navisphere Storage System Initialization Utility by clicking Start >...
  • Page 47 Initializing the Storage System Run the Navisphere Storage System Initialization Utility 1. From the Uninitialized Systems list, select the storage system and click Next. 2. Using the information from Section A of the completed Administration Worksheet, enter the following network parameters for the storage-system 10/100 management ports, and click Next: Storage Processor A - IP IP address for SP A management port.
  • Page 48 Initializing the Storage System (Figure 18). The reboot takes several minutes to complete. When it has completed, the SP Boot/Fault light on each SP stops blinking and remains off. SP B Boot/Fault Power Supply B Fault SP A Boot/Fault Power Supply A Fault Power EMC3018a SP Boot/Fault and Power Supply Fault Lights (AX100i Shown)
  • Page 49 Initializing the Storage System If the storage system is not rebooting and Navisphere Express still does not open, go to the "Troubleshoot" section on the AX100 support website or the AX100-Series Documentation CD. 3. Log in to Navisphere Express by entering the username and password that you specified when you initialized the storage system.

  • Page 50: Connecting Iscsi Ports

    Connecting iSCSI Ports Connecting iSCSI Ports This section describes how to connect iSCSI data ports on iSCSI storage systems to a 1-gigabit Ethernet LAN and how to connect server iSCSI data ports to either a 10/100 or 1-gigabit Ethernet LAN. Before You Start To complete this procedure, you need: An Administrative Worksheet completed with your network...
  • Page 51 Connecting iSCSI Ports SP B iSCSI Data Port, iSCSI-1000 Switch 1 Gbit 1 Gbit CAT 6 Cables iSCSI Data LAN Cable 10/100 HBA or NIC SP A Host EMC3041 iSCSI Data Port, iSCSI-1000 Connecting iSCSI Ports to a LAN (Sample) Figure 20 AX100-Series - Installing an iSCSI Storage System with a Network Connection to a Windows Server...

  • Page 52: Setting Network Parameters For Storage-System Iscsi Ports

    Setting Network Parameters for Storage-System iSCSI Ports Setting Network Parameters for Storage-System iSCSI Ports You use Navisphere Express to set the network parameters for the storage-system iSCSI ports. Start Navisphere Express 1. Open an Internet browser, such as Internet Explorer or Netscape, on the server or on any host on the same LAN as the storage system.
  • Page 53 Setting Network Parameters for Storage-System iSCSI Ports 3. Enter the IP address, subnet mask and gateway for the selected port from section B of the Administration Worksheet. IMPORTANT If you do not have a gateway, set Default gateway to 0.0.0.0; do not leave it blank. 4.

  • Page 54: Configuring Iscsi Initiators For A Configuration Without Isns

    Configuring iSCSI Initiators for a Configuration without iSNS Configuring iSCSI Initiators for a Configuration without iSNS If you are using iSNS, this section is not for you. Instead, go to Configuring the iSNS Client on the Storage System on page 58. Before an iSCSI initiator can send data to or receive data from the storage system, you must configure the network parameters for the NIC or iSCSI HBA iSCSI initiators to connect with the storage-system...
  • Page 55 Configuring iSCSI Initiators for a Configuration without iSNS 4. In the Advanced Settings dialog box under the General tab, specify which NIC to use for the discovery session: a. Use the Local adapter pull-down menu to select Microsoft iSCSI Initiator. b.
  • Page 56 Configuring iSCSI Initiators for a Configuration without iSNS g. Verify that Enable multi-path is not selected, even if multiple paths are present. h. Click OK to return to the Targets tab. 10. From the Targets tab, verify that the status of the storage system is Connected.
  • Page 57 Configuring iSCSI Initiators for a Configuration without iSNS 7. In the Security Check window, enter your password and click The default password is config. 8. Select Config Parameters. 9. Select and enable all the targets that you want to connect to the server.

  • Page 58: Configuring The Isns Client On The Storage System

    Configuring the iSNS Client on the Storage System Configuring the iSNS Client on the Storage System iSNS (Internet Storage Naming Service) is supported only for Windows iSCSI environments. iSNS provides the same function as the Simple Name Server (SNS) service in a Fibre Channel fabric - automated discovery, management, and configuration of iSCSI devices.

  • Page 59: Configuring Iscsi Initiators For A Configuration With Isns

    Configuring iSCSI Initiators for a Configuration with iSNS Configure the iSNS Client For each iSNS server to which you want the storage system to connect: 1. In the Manage iSCSI page, click iSNS to open the iSNS Servers page. 2. Click Add to open the Add iSNS Servers dialog box. 3.
  • Page 60 Configuring iSCSI Initiators for a Configuration with iSNS 1. Start the Microsoft iSCSI Software Initiator by double-clicking Microsoft iSCSI Initiator on the desktop. You can also start the Initiator by clicking Start > Settings > Control Panel and then selecting the iSCSI Initiator icon. 2.
  • Page 61 Configuring iSCSI Initiators for a Configuration with iSNS Configure HBA Initiators on Windows Servers for iSNS You use the use QLogic SANsurfer package to configure the network parameters for each HBA iSCSI initiator. 1. Open QLogic SANsurfer as described in the QLogic documentation.

  • Page 62: Registering The Server With The Storage System

    Registering the Server with the Storage System Registering the Server with the Storage System Read this section for all configurations. You must run the Navisphere Server Utility on each server connected to the storage system to register the server’s NICs or iSCSI HBAs with the storage system.
  • Page 63 Registering the Server with the Storage System Start Navisphere Express 1. Open an Internet browser, such as Internet Explorer or Netscape, on the server or on any host on the same LAN as the storage system. 2. Enter the IP address of an SP in the storage system. The IP address is one you assigned when you initialized the storage system If Navisphere Express does not open, make sure that the storage...
  • Page 64 Registering the Server with the Storage System Verify NIC or iSCSI HBA Registration 1. In the Navisphere Express navigation pane, under Manage, click Connections to display the Manage Connections page. 2. Verify that the SP/Port status is for each NIC or iSCSI Active HBA connected to the storage system.

  • Page 65: Configuring A New Storage System

    Configuring a New Storage System Configuring a New Storage System Read this section if you are configuring a new AX100SCi or AX100i storage system. A new storage system is one that was not already connected to a server when you started the installation procedure. Before You Start You need to complete the configuration planning worksheets from Planning Your AX100-Series iSCSI Storage-System Configuration in the...
  • Page 66 Configuring a New Storage System Configure a New Storage System 1. Locate your completed storage-system configuration planning worksheet so you can refer to it in the steps that follow. 2. Create a hot spare. A hot spare is a single global spare disk that serves as a temporary replacement for any failed disk in the storage system.
  • Page 67 Configuring a New Storage System operating system disks in a disk pool with other disks, each of the other disks loses space for your data equal to the system data space on an operating system disk. 4. Create one or more virtual disks on the disk pools. A virtual disk is a grouping of disk partitions into one span of disk storage space.
  • Page 68 Configuring a New Storage System 7. Use the Event Notification page to configure the storage system to send an E-mail message when the storage system encounters a problem. To display the Events Notification page - In the Navisphere Express navigation pane, under System, click Settings, and then click Event Notification.

  • Page 69: Configuring An Existing Storage System

    Configuring an Existing Storage System Configuring an Existing Storage System Read this section if you are configuring an existing AX100SCi or AX100i storage system. An existing storage system is one that was already connected to a server when you started the installation procedure.
  • Page 70 Configuring an Existing Storage System Configure an Existing Storage System 1. Locate your completed storage-system configuration planning worksheet so you can refer to it in the steps that follow. 2. If you need additional disk pools for virtual disks for the server, create one or more disk pools.
  • Page 71 Configuring an Existing Storage System 5. Verify that the virtual disks were assigned to the server by looking at the Manage Servers page. To display the Manage Servers page - In the Navisphere Express navigation pane, under Manage, click Servers. You should see the virtual disks you assigned to the server listed in the Virtual Disks column of the server’s row.

  • Page 72: Preparing Virtual Disks To Receive Data

    Preparing Virtual Disks to Receive Data Preparing Virtual Disks to Receive Data CAUTION If you want to use CHAP security, set up and enable CHAP security on both the storage system and the server before preparing virtual disks to receive data. If you set up and enable CHAP security after preparing the disks to receive data, you lose visibility to your virtual disks.
  • Page 73 Preparing Virtual Disks to Receive Data 4. If the Write Signature and Upgrade Disk Wizard opens, write a signature to each disk and upgrade it to a dynamic disk, if desired: a. In the wizard, click Next. b. In the Select Disks to Write Signature screen, select all the disks and click Next.
  • Page 74 Preparing Virtual Disks to Receive Data Create Partitions on a Basic Disk On a basic disk, you can create four primary partitions or one extended partition and three primary partitions. 1. In the Disk Management window, right-click the free space area of the basic disk that you want to partition, and click Create Partition.

  • Page 75: Sending Windows Disk Information To The Storage System

    Sending Windows Disk Information to the Storage System Sending Windows Disk Information to the Storage System Read this section for all configurations. You must rerun the Navisphere Server Utility to send to the storage system the Windows device name and volume or file system information for each virtual disk that the server sees.

  • Page 76: Verifying Your Configuration

    Verifying Your Configuration Verify That the Storage System Received the Disk Information 1. For each virtual disk in the storage system that is connected to the server, display its Navisphere Express Details page: a. In the Navisphere Express navigation panel, under Manage, click Virtual Disks.
  • Page 77 Verifying Your Configuration Verify Your Configuration with PowerPath 1. If you connected a new server to an existing storage system, stop all applications accessing the storage system and disable user logins to the server. 2. Launch PowerPath Administrator by double-clicking the PowerPath Monitor on the Windows task bar.
  • Page 78 Verifying Your Configuration 10. Right-click the PowerPath Monitor icon on the task bar, and select All Tasks and Restore All Devices. 11. After several seconds, look at the details pane and verify that none of the disks in the storage system have red slashes through them, their status is optimal, and their path metric is n/n.
  • Page 79 Verifying Your Configuration 4. In the left pane, expand Disks. 5. Verify the paths between the virtual disks and the server: For each virtual disk: a. Click the disk. A list of the paths to the disk is displayed. b. Verify that all paths are listed and one path is active. If a path is missing or failed, it does not appear in the list of paths.
  • Page 80 Verifying Your Configuration 12. Verify the paths to the disk to which you are writing data: a. Under PowerPath iSCSI (under Computer Management), expand Disks. b. Click the disk to which you are writing data and verify that its path list has all paths listed and that one path is active. If one path is not active or any path is missing from the list, refer to the "Troubleshoot"...

  • Page 81: Setting Up Chap Security

    Setting Up CHAP Security Setting Up CHAP Security Challenge Handshake Authentication Protocol (CHAP) is a method of authenticating iSCSI users. The iSCSI storage system can use CHAP to authenticate initiators and initiators can likewise authenticate targets such as the storage system. CAUTION If you do not configure CHAP security for the storage system, any host connected to the same IP network as the storage-system iSCSI...
  • Page 82 Setting Up CHAP Security If you are setting up optional mutual CHAP, use the Advanced option to enter the mutual CHAP user data. This is the target user account data that the storage system sends to initiators. 3. If you are using a network interface card (NIC) for your iSCSI connection, enable CHAP on the storage system.
  • Page 83 Setting Up CHAP Security Setting Up Basic Initiator CHAP — NIC Initiators With basic CHAP security, the storage system uses the same username and secret to authenticate all host initiators. CHAP credentials are configured for the entire storage system, and are required for CHAP security.
  • Page 84 Setting Up CHAP Security 8. In Step 3 on the screen, click Apply to add the CHAP credential and return to the Add Initiator CHAP Credentials - Basic page. 9. Click View all initiator CHAP credentials and confirm that the new CHAP entry exists.
  • Page 85 Setting Up CHAP Security 6. In the User name box, enter the same CHAP username you entered when configuring CHAP on the storage system (step 6 on page 83). 7. In the Target Secret box, enter the secret that you specified in Navisphere Express.
  • Page 86 Setting Up CHAP Security When you have configured basic CHAP for each NIC initiator in the server, you have set and enabled basic security on the server and storage system. What Next? If you did not already prepare your virtual disks to receive data, go to Preparing Virtual Disks to Receive Data (page 72).
  • Page 87 Setting Up CHAP Security You can allow any initiator to log in with the credentials you specify, (the equivalent of basic CHAP), or you can restrict access to a specific initiator. To restrict access, you must create a CHAP user for each host/initiator. 7.
  • Page 88 Setting Up CHAP Security 3. In the iSCSI Security - Advanced page, click Mutual CHAP Configuration. 4. In the Mutual CHAP Configuration - Advanced page, click Add. The Add Mutual CHAP Credentials - Advanced page opens. 5. In Step 1 on the screen, enter a CHAP username for the storage system.
  • Page 89 Setting Up CHAP Security 1. On the server, open the Microsoft iSCSI Software Initiator. (You can open the program from a desktop shortcut or the Control Panel.) 2. If you are setting up mutual CHAP, click the General tab. If you are not setting up mutual CHAP, skip to step 5. 3.
  • Page 90 Setting Up CHAP Security 16. In the Log On to Target dialog box a. Select the Automatically restore this connection when the system boots check box. Do not select Enable Multi-path, even if multiple paths are available. b. Click Advanced. 17.
  • Page 91 Setting Up CHAP Security Set Up Basic Initiator CHAP — HBA Initiators With basic CHAP security, the storage system uses the same username and secret to authenticate all host initiators. CHAP credentials are configured for the entire storage system, and are required for CHAP security.
  • Page 92 Setting Up CHAP Security 9. Click View all initiator CHAP credentials and confirm that the new CHAP entry exists. CAUTION CHAP security on the storage system must not be enabled when you configure CHAP security on the HBA initiator servers. Enable CHAP security on the storage system after you configure CHAP security on the HBA initiators in the server, or you will temporarily lose access to your virtual disks.
  • Page 93 Setting Up CHAP Security Enable Basic Initiator CHAP on the Storage System For the basic CHAP security to work, you must enable it on the storage system: 1. Open Navisphere Express for the storage system you are configuring. 2. In the Navisphere Express navigation pane, under Manage, click iSCSI to open the Manage iSCSI screen.
  • Page 94 Setting Up CHAP Security 4. In the iSCSI Security - Advanced page, click Initiator CHAP Configuration. 5. In the Initiator CHAP Configuration - Advanced page, click Add to open the Add Initiator CHAP Credentials - Advanced page. 6. In Step 1 on the screen, select the initiator or initiators that will use the new CHAP credentials.
  • Page 95 Setting Up CHAP Security Set Up Mutual Initiator CHAP on the Storage System For optional mutual initiator CHAP, you enter the mutual CHAP username and secret that you entered on each target on each initiator as well. If mutual CHAP is enabled, the target sends its username and secret when it responds to the initiator.
  • Page 96 Setting Up CHAP Security Configure Advanced or Mutual CHAP on the iSCSI HBA Initiators on the Server 1. Open the SANsurfer software. 2. Select the Target Settings tab. 3. Select Config Authentication from the bottom of the pane. In the password prompt, use the password: config.
  • Page 97 Setting Up CHAP Security Enable Mutual Initiator CHAP on the Storage System For CHAP security to work, you must enable it on the storage system: 1. In the Navisphere Express navigation pane, under Manage, click iSCSI to open the Manage iSCSI screen. 2.
  • Page 98 Setting Up CHAP Security Copyright © 2004-2005 EMC Corporation. All Rights Reserved. EMC believes the information in this publication is accurate as of its publication date. The information is subject to change without notice. THE INFORMATION IN THIS PUBLICATION IS PROVIDED "AS IS." EMC CORPORATION MAKES NO REPRESENTATIONS OR WARRANTIES OF ANY KIND WITH RESPECT TO THE INFORMATION IN THIS PUBLICATION, AND SPECIFICALLY DISCLAIMS IMPLIED WARRANTIES OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR PURPOSE.

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