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book.book Page 1 Sunday, September 11, 2011 10:24 PM
Dell PowerVault MD3200i and
MD3220i Storage Arrays
Deployment Guide
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book.book Page 2 Sunday, September 11, 2011 10:24 PM Notes, Cautions, and Warnings NOTE: A NOTE indicates important information that helps you make better use of your computer. CAUTION: A CAUTION indicates potential damage to hardware or loss of data if instructions are not followed. WARNING: A WARNING indicates a potential for property damage, personal injury, or death. ____________________ Information in this publication is subject to change without notice. © 2011 Dell Inc. All right
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book.book Page 3 Sunday, September 11, 2011 10:24 PM Contents 1 Introduction . . . . . . . . . . . . . . . . . . . . . . . . 7 System Requirements . . . . . . . . . . . . . . . . . . . 7 Management Station Requirements . . . . . . . . . 7 Introduction to Storage Arrays . . . . . . . . . . . . . . 8 2 Hardware Installation . . . . . . . . . . . . . . . 11 Planning the Storage Configuration. . . . . . . . . . . 11 Connecting the Storage Array . . . . . . . . . . . . . . 12 Cabling the Storage
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book.book Page 4 Sunday, September 11, 2011 10:24 PM 3 Installing PowerVault MD Storage Software . . . . . . . . . . . . . . . . . . . . . . . . . 27 Graphical Installation (Recommended). . . . . . . 28 Console Installation. . . . . . . . . . . . . . . . . 30 Silent Installation . . . . . . . . . . . . . . . . . . 30 Upgrading PowerVault MD Storage Software . . . . . 31 4 Post Installation Tasks. . . . . . . . . . . . . . 33 Before You Begin. . . . . . . . . . . . . . . . . . . . . 33 i
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book.book Page 5 Sunday, September 11, 2011 10:24 PM Uninstalling PowerVault MD Storage Software From Linux . . . . . . . . . . . . . . . . . . . . . . . . 54 A Appendix—Manual Configuration of iSCSI . . . . . . . . . . . . . . . . . . . . . . . . . . 55 Step 1: Discover the Storage Array (Out-of-band Management Only) . . . . . . . . . . . . 56 Default Management Port Settings . . . . . . . . 56 Automatic Storage Array Discovery . . . . . . . . 57 Manual Storage Array Discovery . . . .
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book.book Page 6 Sunday, September 11, 2011 10:24 PM Step 7: Connect to the Target Storage Array From he Host Server . . . . . . . . . . . . . . . . . . . . . . 70 Step 8: (Optional) Set Up In-Band Management. . . . . 74 B Appendix—Using Internet Storage Naming Service . . . . . . . . . . . . . . . . . . . . 75 C Appendix—Load Balancing . . . . . . . . . . 77 Load Balance Policy . . . . . . . . . . . . . . . . . . . 77 Round Robin With Subset. . . . . . . . . . . . . . 77 Least Queue D
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book.book Page 7 Sunday, September 11, 2011 10:24 PM 1 Introduction This guide provides information about deploying Dell PowerVault MD MD3200i and Dell PowerVault MD3220i storage arrays. The deployment process includes: • Hardware installation • Modular Disk Storage Manager (MDSM) software installation • Initial system configuration Other information provided include system requirements, storage array organization, and utilities. NOTE: For more information on product documentation see,
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book.book Page 8 Sunday, September 11, 2011 10:24 PM • Display resolution of 1024x768 with 16 million colors (1280x1024 32-bit recommended) • Microsoft Windows, Red Hat Enterprise Linux, and SUSE Linux Enterprise Server. NOTE: Operating system installations can be either native or hypervisor guest configurations. NOTE: Supported hypervisors include Microsoft Hyper-V, Citrix XenServer, and VMware. For information about the supported versions, see the Support Matrix at support.dell.com
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book.book Page 9 Sunday, September 11, 2011 10:24 PM Unconfigured capacity comprises of physical disks not already assigned to a disk group. When a virtual disk is created using unconfigured capacity, a disk group is automatically created. If the only virtual disk in a disk group is deleted, the disk group is also deleted. Free capacity is space in a disk group that is not assigned to any virtual disk. Data is written to the physical disks in the storage array using RAID technology. RAID
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book.book Page 10 Sunday, September 11, 2011 10:24 PM 10 Introduction
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book.book Page 11 Sunday, September 11, 2011 10:24 PM 2 Hardware Installation Before using this guide, ensure that you review the instructions in the: • Getting Started Guide—The Getting Started Guide that shipped with the storage array provides information to configure the initial setup of the system. • Planning section of the Owner’s Manual—The planing section provides information about important concepts you must know before setting up your storage solution. See the Owner’s Manual at
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book.book Page 12 Sunday, September 11, 2011 10:24 PM Connecting the Storage Array The storage array is connected to a host using two hot-swappable RAID controller modules. The RAID controller modules are identified as RAID controller module 0 and RAID controller module 1. Each RAID controller module has four iSCSI In port connectors that provide Ethernet connections to the host server or switches. Each RAID controller module also contains an Ethernet management port and a SAS Out port.
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book.book Page 13 Sunday, September 11, 2011 10:24 PM Direct-Attached Configurations You can connect the Ethernet ports of the host servers directly to the storage array RAID controller module iSCSI ports. Single Path Data Configurations With a single path configuration, a group of heterogeneous hosts can be connected to the storage array through a single physical Ethernet port. Since there is only one port, there is no redundancy, although each iSCSI portal supports multiple connections.
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book.book Page 14 Sunday, September 11, 2011 10:24 PM Figure 2-1 shows a non-redundant cabling configuration to the RAID controller modules using a single path data configuration. Figure 2-1. Four Hosts Connected to a Single Controller Server 1 Server 2 Server 3 Server 4 Storage array Corporate, public, or private network 14 Hardware Installation
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book.book Page 15 Sunday, September 11, 2011 10:24 PM Figure 2-2 shows two hosts connected to a single controller array. Figure 2-2. Two Hosts Connected to a Single Controller Server 1 Server 2 Storage array Corporate, public, or private network Hardware Installation 15
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book.book Page 16 Sunday, September 11, 2011 10:24 PM Figure 2-3 shows eight stand-alone hosts supported in a dual controller array configuration with a single data path. Figure 2-3. Eight Hosts in a Dual-Controller Configuration Up to 8 hosts Server 1 Server 3 Server 4 Server 8 Server 2 Storage array Corporate, public, or private network 16 Hardware Installation
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book.book Page 17 Sunday, September 11, 2011 10:24 PM Dual-Path Data Configuration In Figure 2-4, 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. In Figure 2-5, up to f
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book.book Page 18 Sunday, September 11, 2011 10:24 PM Figure 2-4. Four Hosts Connected to Two Controllers Server 1 Server 2 Server 3 Server 4 Storage array Corporate, public, or private network 18 Hardware Installation
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book.book Page 19 Sunday, September 11, 2011 10:24 PM Figure 2-5. Four Hosts Connected in a Dual-Controller Configuration Four node cluster server Storage array Corporate, public, or private network Hardware Installation 19
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book.book Page 20 Sunday, September 11, 2011 10:24 PM Network-Attached Configurations You can also cable the host servers to the RAID controller module iSCSI ports through industry-standard 1GB Ethernet switches. An iSCSI configuration that uses Ethernet switches is frequently referred to as an IP SAN. By using an IP SAN, the PowerVault MD3200i series storage array can support up to 64 hosts simultaneously. This configuration supports either single- or dual-path data configurations and e
