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Dell PowerVault MD3260i Deployment Manual
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Dell PowerVault MD3260i Deployment Manual

Dell PowerVault MD3260i Deployment Manual

Powervault md3260i series storage arrays
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Dell PowerVault MD3260i Series Storage Arrays
Deployment Guide

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Summary of Contents for Dell PowerVault MD3260i

  • Page 1 Dell PowerVault MD3260i Series Storage Arrays Deployment Guide...

  • Page 2: Notes, Cautions, And Warnings

    CAUTION: A CAUTION indicates either potential damage to hardware or loss of data and tells you how to avoid the problem. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. © 2012 Dell Inc. Trademarks used in this text: Dell , the Dell logo, Dell Boomi , Dell Precision , OptiPlex...

  • Page 3: Table Of Contents

    Contents Notes, Cautions, and Warnings....................2 1 Introduction..........................7 ...............................7 System Requirements ........................7 Management Station Requirements ..........................7 Introduction To Storage Arrays 2 Hardware Installation.........................9 ........................9 Planning The Storage Configuration ..........................9 Connecting The Storage Array ............................9 Cabling The Storage Array ....................10 Redundant And Non-Redundant Configurations ........................10 Direct-Attached Configurations ........................14...
  • Page 4 ............................27 Using A DHCP server ..........................27 Using A Static IP Address ............................28 Using A DNS Server ............................28 Using A WINS Server ..............................28 Linux Host Setup ..............................28 Using DHCP ..........................29 Using A Static IP Address 6 Uninstalling MD Storage Manager..................31 ....................31 Uninstalling MD Storage Manager From Windows Uninstall MD Storage Manager From Microsoft Windows Operating Systems Other Than Microsoft ............................31...
  • Page 5 ......................42 For Windows Server 2008 GUI Version ......................42 For Windows Server 2008 Core Version ...............................43 For Linux Server ....................44 Step 8: (Optional) Set Up In-Band Management 8 Appendix — Using Internet Storage Naming Service............45 9 Appendix — Load Balancing....................47 ..........................47 Windows Load Balance Policy ............................47 Round Robin With Subset...

  • Page 7: Introduction

    MD Storage Manager included on the PowerVault MD Series resource media can be used to manage both the PowerVault MD3260i Series and other PowerVault MD Series storage arrays. MD Storage Manager is compatible with both Microsoft Windows and Linux operating systems.
  • Page 8 Different RAID levels offer different levels of accessibility, redundancy, and capacity. You can set a specified RAID level for each disk group and virtual disk on your storage array. For more information about using RAID and managing data in your storage solution, see the Administrator's Guide at support.dell.com/manuals.

  • Page 9: Hardware Installation

    Each PowerVault MD3260i Series storage array can be expanded to a maximum of 120 (or 180, if enabled using Premium Feature activation) physical disks through a maximum of seven PowerVault MD3060e Series expansion enclosures.

  • Page 10: Redundant And Non-Redundant Configurations

    Redundant And Non-Redundant Configurations Non-redundant configurations are configurations that provide only a single data path from a host to the storage array. This type of configuration is only recommended for non-critical data storage. Path failure from a failed or removed cable, a failed HBA, or a failed or removed RAID controller module results in loss of host access to storage on the storage array.
  • Page 11 Figure 1. Eight Hosts With a Single Data Path In the following figure, up to four servers are directly attached to the RAID controller modules. If the host server has a second Ethernet connection to the array, it can be attached to the iSCSI ports on the array's second controller. This configuration provides improved availability by allowing two separate physical paths for each host, which ensures full redundancy if one of the paths fail.
  • Page 12 Figure 2. Four Hosts Connected to Two Controllers In the following figure, up to four cluster nodes are directly attached to two RAID controller modules. Since each cluster node has redundant paths, loss of a single path would still allow access to the to the storage array through the alternate path.
  • Page 13 Figure 3. Four Cluster Nodes Connected to Two Controllers...

  • Page 14: Network-Attached Configurations

    An iSCSI configuration that uses Ethernet switches is frequently referred to as an IP SAN. By using an IP SAN, the PowerVault MD3260i Series storage array can support up to 64 hosts simultaneously. This configuration supports single-path data configurations.
  • Page 15 Figure 4. 64 Servers Connected to Two Controllers...

  • Page 16: Cabling Powervault Md3060E Expansion Enclosures

    CAUTION: If a PowerVault MD3060e Series expansion enclosure that was previously attached to PERC H800 adapter is used as an expansion enclosure to a PowerVault MD3260i Series storage array, the physical disks of the expansion enclosure are reinitialized and data is lost. You must backup all data on the expansion enclosure before attempting the expansion.

  • Page 17: Expanding With New Powervault Md3060E Expansion Enclosures

    1. Expanding With New PowerVault MD3060e Expansion Enclosures Perform the following steps to attach new PowerVault MD3060e expansion enclosures to a PowerVault MD3260i Series storage array: Before adding the expansion enclosure(s), ensure that the storage array software is installed and is up to date.

  • Page 19: Installing Md Storage Manager

    SMagent and SMmonitor. Installing management software only on a virtual disk may prevent access to recovery information in the event of multiple physical disk or enclosure failures. For more information on supported hardware and software for Dell PowerVault systems, see the Support Matrix at support.dell.com/manuals.

  • Page 20: Graphical Installation (Recommended)

    NOTE: The MD Storage Manager installer automatically installs the required drivers, firmware, and operating system patches/hotfixes to operate your storage array. These drivers and firmware are also available at support.dell.com. In addition, see the Support Matrix at support.dell.com/manuals for any additional settings and/or software required for your specific storage array.

  • Page 21: Silent Installation

    Silent Installation Silent Installation On Windows To run silent installation on a Windows system: Copy the custom_silent.properties file in the /windows folder of the installation media or image to a writable location on the host server. Modify the custom_silent.properties file to reflect the features, models and installation options to be used. Then, save the file.

  • Page 23: Post Installation Tasks

    Post Installation Tasks Before using the storage array for the first time, complete a number of initial configuration tasks in the order shown. These tasks are performed using the MD Storage Manager. NOTE: If Dynamic Host Configuration Protocol (DHCP) is not used, initial configuration using the management station must be performed on the same physical subnet as the storage array.

  • Page 24: Iscsi Configuration Worksheet

    iSCSI Configuration Worksheet IPv4 Settings — Worksheet IPv6 Settings — Worksheet helps you plan your configuration. Recording host server and storage array IP addresses at a single location enables you to configure your setup faster and more efficiently. Guidelines For Configuring Your Network For iSCSI provides general network setup guidelines for both Windows and Linux environments.
  • Page 25 Keep the following guidelines in mind for the storage array and host configuration: Support Matrix at • For optimal performance, ensure your network configuration is valid. See the storage array's support.dell.com/manuals. • If your host has multiple network interfaces, it is recommended that each network interface uses a separate subnet.

  • Page 26: Post Connection Establishment Steps

    Launch the utility (if it is not launched automatically) from the server with access to the management ports of the storage array(s) to be configured. – For Windows, click Start → All Programs → Dell → MD Storage Software → Modular Disk Configuration Utility. –...

  • Page 27: Guidelines For Configuring Your Network For Iscsi

    Guidelines For Configuring Your Network For iSCSI This section provides general guidelines for setting up your network environment and IP addresses for use with the iSCSI ports on your host server and storage array. Your specific network environment may require different or additional steps than shown here, so make sure you consult with your system administrator before performing this setup.

  • Page 28: Using A Dns Server

    Restart network services using the following command: /etc/init.d/network restart Using A DNS Server If you are using static IP addressing: In the Control Panel, select Network connections or Network and Sharing Center and then click Manage network connections. Right-click the network connection you want to configure and select Properties. On the General tab (for a local area connection) or the Networking tab (for all other connections), select Internet Protocol (TCP/IP), and then click Properties.

  • Page 29: Using A Static Ip Address

    NETWORKING=yes HOSTNAME=mymachine.mycompany.com Edit the configuration file for the connection you want to configure, either /etc/sysconfig/network-scripts/ifcfg-ethX (for Red Hat Enterprise Linux) or /etc/sysconfig/network/ifcfg-eth-id-XX:XX:XX:XX:XX (for SUSE Enterprise Linux). BOOTPROTO=dhcpm Also, verify that an IP address and netmask are not defined. Restart network services using the following command: /etc/init.d/network restart Using A Static IP Address If you are using a static IP address (root users only):...

  • Page 31: Uninstalling Md Storage Manager

    Navigate to the Dell\MD Storage Software\Uninstall Dell Modular Disk MD3260i Storage Software directory. NOTE: By default, MD Storage Manager is installed in the \Program Files\Dell\MD Storage Software directory. If another directory was used during installation, navigate to that directory before beginning the uninstallation procedure.

  • Page 32: Uninstalling Md Storage Manager From Linux

    Uninstalling MD Storage Manager From Linux By default, PowerVault MD Storage Manager is installed in the /opt/dell/mdstoragemanager directory. If another directory was used during installation, navigate to that directory before beginning the uninstallation procedure. From the installation directory, open the Uninstall Dell MD Storage Software directory.

  • Page 33: Appendix - Manual Configuration Of Iscsi

    Appendix — Manual Configuration Of iSCSI The following sections contain step-by-step instructions for configuring iSCSI on your storage array. However, before beginning, it is important to understand where each of these steps occur in relation to your host server or storage array environment.

  • Page 34: Automatic Storage Array Discovery

    Unnamed in the drop-down list. Click the Initial Setup Tasks option to see links to the remaining post-installation tasks. For more information about each task, see the Administrator's Guide at support.dell.com/manuals. Perform these tasks in the order shown in the following table.

  • Page 35: Step 2: Configure The Iscsi Ports On The Storage Array

    Task Purpose degrades or fails, or an adverse environmental condition occurs. Configure a storage array To create virtual disks and map them to hosts. Step 2: Configure The iSCSI Ports On The Storage Array By default, the iSCSI ports on the storage array are set to the following IPv4 settings: Controller 0, Port 0: IP: 192.168.130.101 Subnet Mask: 255.255.255.0 Port: 3260 Controller 0, Port 1: IP: 192.168.131.101 Subnet Mask: 255.255.255.0 Port: 3260 Controller 0, Port 2: IP: 192.168.132.101 Subnet Mask: 255.255.255.0 Port: 3260...

  • Page 36: For Windows Server 2003 Or Windows Server 2008 Gui Version

    For Windows Server 2003 Or Windows Server 2008 GUI Version Click Start→ Programs→ Microsoft iSCSI Initiator or click Start→ All Programs→ Administrative Tools→ iSCSI Initiator. Click the Discovery tab. Under Target Portals, click Add and enter the IP address or DNS name of the iSCSI port on the storage array. If the iSCSI storage array uses a custom TCP port, change the Port number.

  • Page 37: Step 4: Configure Host Access

    Edit the following entries in the /etc/iscsi/iscsid.conf file: a) Edit or verify that the node.startup = manual line is disabled. b) Edit or verify that the node.startup = automatic line is enabled. This enables automatic startup of the service at boot time. c) Verify that the following time-out value is set to 30 by running the following command: node.session.timeo.replacement_timeout = 30 d) Save and close the /etc/iscsi/iscsid.conf file.

  • Page 38: Target Chap

    Target CHAP In target CHAP, the storage array authenticates all requests for access issued by the iSCSI initiator(s) on the host server using a CHAP secret. To set up target CHAP authentication, you must enter a CHAP secret on the storage array, then configure each iSCSI initiator on the host server to send that secret each time it attempts to access the storage array.

  • Page 39: Configuring Mutual Chap Authentication On The Storage Array

    CHAP Setting Description None This is the default selection. If None is the only selection, the storage array allows an iSCSI initiator to log on without supplying any type of CHAP authentication. None and CHAP The storage array allows an iSCSI initiator to log on with or without CHAP authentication.

  • Page 40: For Windows Server 2008 Core Version

    If you are using mutual CHAP authentication, click the General tab and select Secret. At Enter a secure secret, enter the mutual CHAP secret you entered for the storage array Click the Discovery tab. Under Target Portals, select the IP address of the iSCSI port on the storage array and click Remove. The iSCSI port you configured on the storage array during target discovery disappears.

  • Page 41: For Red Hat Enterprise Linux 5 Or 6, Suse Linux Enterprise Server 10 Or 11

    The final configuration contained in the /etc/iscsi/iscsid.conf file may look like this: node.session.auth.authmethod = CHAP node.session.auth.username = iqn.2005- 03.com.redhat01.78b1b8cad821 node.session.auth.password = password_1 node.session.auth.username_in= iqn.1984- 05.com.dell:powervault.123456 node.session.auth.password_in = test1234567890 discovery.sendtargets.auth.authmethod = CHAP discovery.sendtargets.auth.username = iqn.2005- 03.com.redhat01.78b1b8cad821 discovery.sendtargets.auth.password = password_1 discovery.sendtargets.auth.username = iqn.1984- 05.com.dell:powervault.

  • Page 42: Step 7: Connect To The Target Storage Array From The Host Server

    NOTE: To enable the higher throughput of multipathing I/O, the host server must connect to both iSCSI ports on each controller, ideally from separate host-side NICs. Repeat step 3 through step 7 for each iSCSI port on each controller. If using a duplex PowerVault MD3260i configuration, then LUNs must also be balanced between the controllers.

  • Page 43: For Linux Server

    For example, your log on command may look like this: iscsicli PersistentLoginTarget iqn.1984- 05.com.dell:powervault.6001372000ffe3332xx0000046 72edf2 3260 T 192.168.130.101 * * * 0x2 * * * * * * * * * 0 To view active sessions to the target, run the following command:...

  • Page 44: Step 8: (Optional) Set Up In-Band Management

    NOTE: The management station you are using must be configured for network communication to the same IP subnet as the PowerVault MD3260i host ports. Establish an iSCSI session to the PowerVault MD3260i RAID storage array. Restart the SMagent service. Launch MD Storage Manager.

  • Page 45: Appendix - Using Internet Storage Naming Service

    Appendix — Using Internet Storage Naming Service Internet Storage Naming Service (iSNS) server, supported only on Microsoft Windows iSCSI environments, eliminates the need to manually configure each individual storage array with a specific list of initiators and target IP addresses. Instead, iSNS automatically discovers, manages, and configures all iSCSI devices in your environment.

  • Page 47: Appendix - Load Balancing

    Changing Load Balance Policies In Windows Sever 2008 Load balancing with the PowerVault MD3260i series is only available for Windows Server 2008 or later versions of the operating system. You can change the load balance policies from the default round robin with subset by using one of the following: •...

  • Page 48: Changing The Load Balance Policy Using The Windows Server 2008 Disk Management Options

    The multi-path failover driver that Dell provides for the MD3260i Series storage array can be used to configure the storage array so that all ports are used for simultaneous I/O access.
  • Page 49 Figure 5. Initiator Configuration Two sessions with one TCP connection are configured from the host to each controller (one session per port), for a total of four sessions. The multi-path failover driver balances I/O access across the sessions to the ports on the same controller.

  • Page 51: Appendix - Stopping And Starting Iscsi Services In Linux

    Appendix — Stopping And Starting iSCSI Services In Linux To manually stop the iSCSI services in Linux, certain steps must be followed to maintain parallel processing between the storage array and the host server. Stop all I/O. Unmount all correlated file systems. Stop iSCSI service by running the following command: /etc/init.d/open-iscsi stop...

  • Page 53: Ipv4 Settings - Worksheet

    IPv4 Settings — Worksheet NOTE: If you need additional space for more than one host server, use an additional sheet. Static IP address (host server) Subnet A Default gateway (must be different for each NIC) iSCSI port 1 ___ . ___ . ___ . ___ ___ .
  • Page 54 Static IP address (host server) Subnet A Default gateway (must be different for each NIC) iSCSI port 0, In 2 ___ . ___ . ___ . ___ ___ . ___ . ___ . ___ ___ . ___ . ___ . ___ iSCSI port 0, In 3 ___ .

  • Page 55: Ipv6 Settings - Worksheet

    IPv6 Settings — Worksheet NOTE: If you need additional space for more than one host server, use an additional sheet. Host iSCSI port 1 Host iSCSI port 2 Link local IP ___ . ___ . ___ . ___ Link local IP address ___ .
  • Page 56 Router IP address ____ : ____ : ____ : ____ : ____ : ____ : ____ : ____ iSCSI controller 0, In 1 IP address FE80 : 0000 : 0000 : 0000 : ____ : ____ : ____ : ____ Routable IP address 1 ____ : ____ : ____ : ____ : ____ : ____ : ____ : ____ Routable IP address 2...
  • Page 57 iSCSI controller 1, In 3 IP address FE80 : 0000 : 0000 : 0000 : ____ : ____ : ____ : ____ Routable IP address 1 ____ : ____ : ____ : ____ : ____ : ____ : ____ : ____ Routable IP address 2 ____ : ____ : ____ : ____ : ____ : ____ : ____ : ____ Router IP address...

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