Dell PowerVault MD3460 Series Manual

Storage arrays
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Dell PowerVault MD3460 Series Storage
Arrays
Deployment Guide

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Summary of Contents for Dell PowerVault MD3460 Series

  • Page 1 Dell PowerVault MD3460 Series Storage Arrays Deployment Guide...
  • Page 2 WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2014 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks of Dell Inc.
  • Page 3: Table Of Contents

    ..........................5 System Requirements ....................5 Management Station Requirements ......................5 Introduction To Storage Arrays ........................6 Related Documentation ............................6 Contacting Dell ........................7 Documentation Feedback 2 Hardware Installation....................9 ....................9 Planning The Storage Configuration ......................9 Connecting The Storage Array ........................10 Cabling The Storage Array ................
  • Page 4 ..........................27 Load Balance Policy ......................27 Round Robin With Subset ........................27 Least Queue Depth .......................... 27 Least Path Weight ....................28 Setting Load Balance Policies in Linux ..................28 Setting Load Balance Policies in VMware...
  • Page 5: Introduction

    The version of MD Storage Manager included on the PowerVault MD Series resource media can be used to manage both the PowerVault MD3460 Series and other PowerVault MD Series storage arrays. MD Storage Manager is compatible with both Microsoft Windows and Linux operating systems.
  • Page 6: Related Documentation

    Dell PowerVault MD Series Storage Arrays Administrator's Guide — Provides information about configuring and managing the system using the MDSM GUI. • Dell PowerVault Modular Disk Storage Arrays CLI Guide — Provides information about configuring and managing the system using the MDSM CLI. •...
  • Page 7: Documentation Feedback

    NOTE: If you have purchased a Dell system, you may be asked for the Service Tag. Documentation Feedback If you have feedback for this document, write to documentation_feedback@dell.com. Alternatively, you can click on the Feedback link in any of the Dell documentation pages, fill out the form, and click Submit to send your feedback.
  • Page 9: Hardware Installation

    Started Guide that is shipped with the storage array provides information to configure the initial setup of the system. • Dell PowerVault MD Series Storage Arrays Administrator's Guide — The Administrator's Guide provides information about important concepts you must know before setting up your storage solution. For more information, see dell.com/powervaultmanuals.
  • Page 10: Cabling The Storage Array

    Each PowerVault MD3460 storage array can be expanded to a maximum of 120 (or 180, if enabled using Premium Feature activation) physical disks through a maximum of two MD3060e series expansion enclosures. Cabling The Storage Array You can cable the storage array to host servers with: •...
  • Page 11 Figure 1. Two Hosts Connected to Two Controllers...
  • Page 12 Figure 2. Four Hosts Connected to Two Controllers...
  • Page 13 Figure 3. Four Hosts Connected to Two Controllers The following figure shows eight hosts, each connected to only one RAID controller module. This configuration allows the maximum number of hosts that may be connected, but provides no redundancy.
  • Page 14 Figure 4. Eight Hosts Connected to Two Controllers The following figures show up to four cluster nodes connected to two RAID controller modules. Since each cluster node has redundant paths, loss of a single path would still allow access to the storage array through the alternate path.
  • Page 15 Figure 5. Four Cluster Nodes Connected to Two Controllers...
  • Page 16: Cabling Powervault Md3060E Expansion Enclosures

    Figure 6. Four Cluster Nodes Connected to Two Controllers Cabling PowerVault MD3060e Expansion Enclosures You can expand the capacity of your PowerVault MD3460 Series storage array by adding PowerVault MD3060e expansion enclosures. You can expand the physical disk pool to a maximum of 120 (or 180, if enabled using Premium Feature activation) physical disks using a maximum of two expansion enclosures.
  • Page 17: Expanding With New Powervault Md3060E Expansion Enclosures

    NOTE: Hot plug of MD3060e expansion enclosure is not recommended. Power on all MD3060e expansion enclosures before you power on the array enclosure. For helpful videos and other resources on PowerVault MD series, see dell.com/PVresources. Expanding With New PowerVault MD3060e Expansion Enclosures...
  • Page 19: Installing Md Storage Manager

    For more information on supported hardware and software for Dell PowerVault systems, see the Support Matrix at dell.com/powervaultmanuals. NOTE: As a first step towards managing the array, always use MD Storage Resource DVD media to update and install MD Storage Manager.
  • Page 20: Installing Host Bus Adapters And Drivers

    • Console Installation — This installation procedure is useful for Linux users who do not desire to install an X-Window environment on their supported Linux platform. • Silent Installation — This installation procedure is useful if you prefer to create scripted installations. Installing Host Bus Adapters And Drivers Install the host bus adapters (HBAs).
  • Page 21: Console Installation

    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 dell.com/support. In addition, see the Support Matrix at dell.com/ powervaultmanuals for any additional settings and/or software required for your specific storage array.
  • Page 22: Enabling Premium Features (Optional)

    NOTE: On Red Hat Enterprise Linux 6 operating systems, run the following script from the root directory to install prerequisite packages: # md_prereq_install.sh Copy the custom_silent.properties file in the /linux directory 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.
  • Page 23: Post Installation Tasks

    NOTE: You can set the network configuration using a DHCP server. Launch MD Storage Manager. – Click Start → Programs → Dell → MD Storage Manager → Modular Disk Storage Manager Client on Microsoft Windows operating systems. – Click the PowerVault MD Storage Manager desktop icon on Linux operating systems.
  • Page 24: Initial Setup Tasks

    To see a list of all storage arrays found on the local network, expand Discovered Storage Arrays in the Devices tab of the EMW. The default name for a newly installed PowerVault MD3460 series storage array is Unnamed. If another name is displayed in MD Storage Manager, click the down arrow next to the name and click Unnamed in the drop-down list and rename the array.
  • Page 25: Uninstalling Md Storage Manager

    To uninstall PowerVault Modular Disk Storage Manager on Windows Server Core versions: Navigate to the Dell\MD Storage Software\Uninstall Dell MD Storage Software directory. NOTE: By default, MD Storage Manager is installed in the \Program Files(x86)\Dell\MD Storage Software directory. If another directory was used during installation, navigate to that directory before beginning the uninstallation procedure.
  • Page 26: 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 27: Load Balancing

    Load Balancing Load Balance Policy Multi-path drivers select the I/O path to a virtual disk through a specific RAID controller module. When the multi-path driver receives a new I/O to process, the driver tries to find a path to the current RAID controller module that owns the virtual disk.
  • Page 28: Setting Load Balance Policies In Linux

    selection policy is used to route I/O requests between the paths with the same weight value. The least path weight load balance policy is not supported on Linux operating systems. Setting Load Balance Policies in Linux Linux only supports round robin based load balancing. For more information, see Round Robin With Subset.

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