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Dell PowerVault MD3400 series Deployment Manual

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See also: Owner's Manual
Dell PowerVault MD3400 and MD3420 Series
Storage Arrays
Deployment Guide

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Summary of Contents for Dell PowerVault MD3400 series

  • Page 1 Dell PowerVault MD3400 and MD3420 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

    Management Station Requirements ......................5 Introduction to Storage Arrays ........................6 Related Documentation ......................7 Locating Your System Service Tag ............................7 Contacting Dell ........................7 Documentation Feedback 2 Hardware Installation...................8 ....................8 Planning The Storage Configuration ......................8 Connecting The Storage Array ........................9 Cabling The Storage Array ................
  • Page 4 ..........................26 Least Path Weight ......27 Changing Load Balance Policies On The Windows Server Operating System...

  • Page 5: Introduction

    MDSM included on the PowerVault MD series resource media can be used to manage both the Dell PowerVault MD3400 and Dell PowerVault MD3420 systems and the earlier PowerVault MD series storage arrays. MDSM 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: Locating Your System Service Tag

    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 8: Hardware Installation

    • Owner’s Manual — The Owner’s Manual provides information about important concepts to set up your storage solution. See the Owner’s Manual at dell.com/support/manuals. Planning The Storage Configuration Consider the following before installing your storage array: •...

  • Page 9: Cabling The Storage Array

    Item Name Description Number 12 gbps SAS Host Ports (2) Allows you to connect host servers to the storage array. 7–segment display Displays status of the controller. 1G Ethernet Management (MGMT) Port (1) Allows for out of band management of storage array.

  • Page 10: Single Controller Configurations

    Single Controller Configurations The following figures show two and four hosts, each connected to only one RAID controller module. The hosts can share storage space but without redundant paths, if one path fails, the server on that path would be disconnected from the storage array. Figure 2.
  • Page 11 Figure 3. Two Hosts Connected to a Single Controller Using Two HBAs...
  • Page 12 Figure 4. Two Hosts Connected to a Single Controller Using One HBA...

  • Page 13: Dual Controller Configurations

    Figure 5. Four Hosts Connected to a Single Controller Dual Controller Configurations The following figures show two and four hosts, each connected to two RAID controller modules. Since each host has redundant paths, loss of a single path still allows access to the storage array through the alternate path.
  • Page 14 Figure 6. Two Hosts Connected to Two Controllers...
  • Page 15 Figure 7. Four Hosts Connected to Two Controllers Using Two HBAs...
  • Page 16 Figure 8. Four Hosts Connected to Two Controllers Using One HBA The following figure shows eight hosts, each connected to only one RAID controller module. This configuration allows the maximum number of hosts that can be connected, but provides no redundancy.
  • Page 17 Figure 9. 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 18 Figure 10. Four Cluster Nodes Connected to Two Controllers...

  • Page 19: Cabling Powervault Md1200 Series Expansion Enclosures

    Figure 11. Four Cluster Nodes Connected to Two Controllers Cabling PowerVault MD1200 Series Expansion Enclosures You can expand the capacity of your PowerVault MD3400 and MD3420 storage array by adding PowerVault MD1200 series expansion enclosures. You can expand the physical disk pool to a maximum of 120 slots (or 192, if enabled using Premium Feature activation) using a maximum of seven expansion enclosures.

  • Page 20: Expanding With Previously Configured Powervault Md1200 Series Expansion Enclosures

    Use this procedure if your expansion enclosure is directly attached to and configured on a Dell PowerEdge RAID Controller (PERC) H800 adapter. Data from virtual disks created on a PERC H800 adapter cannot be directly migrated to a PowerVault MD series storage array or to a PowerVault MD1200 series expansion enclosure connected to a PowerVault MD series storage array.

  • Page 21: Expanding With New Powervault Md1200 Series Expansion Enclosures

    PowerVault MD3400 or PowerVault MD3420 storage array: Before adding the expansion enclosure(s), ensure that the storage array software is installed and is up to date. For more information, see the Dell PowerVault MD34xx/38xx Series Support Matrix at dell.com/support/manuals. a. Install the software and driver package included on the PowerVault MD series resource media. For...

  • Page 22: Installing Powervault Md Storage Software

    Installing PowerVault MD Storage Software The Dell PowerVault MD series resource media contains software and drivers for both Linux and Microsoft Windows operating systems. The root of the media contains a readme.txt file covering changes to the software, updates, fixes, patches, and other important data applicable to both Linux and Windows operating systems.

  • Page 23: Graphical Installation (Recommended)

    If the MDCU does not launch automatically, launch it manually. • In a Windows-based operating system, click Start → Dell → Modular Disk Configuration Utility. • In a Linux-based operating system, double-click the Modular Disk Configuration Utility icon on the desktop.

  • Page 24: Silent Installation

    The autorun script in the root of the resource media detects when there is no graphical environment running and automatically starts the installer in a text-based mode. This mode provides the same options as graphical installation with the exception of the MDCU specific options. The MDCU requires a graphical environment to operate.

  • Page 25: Uninstalling Md Storage Software

    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 and run the file Uninstall Dell MD Storage Software.exe. When the uninstallation is complete, it goes back to the root prompt.

  • Page 26: 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 27 If more than one data path to the virtual disk has the same weight value, the round robin with subset path 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. Changing Load Balance Policies On The Windows Server Operating System Load balancing with the PowerVault MD series storage array can be done from the default round robin with subset by using either the:...

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Powervault md3420 series

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