Configuring Boot From SAN Using iSCSI-Based Dell Storage Arrays
Introduction
This document provides instructions for configuring Dell™ PowerEdge™ 11G family of servers to boot the
Microsoft® Windows Server® 2008 SP2 or the Windows Server 2008 R2 from iSCSI SAN-based boot
images.
The evolution of server and storage virtualization as well as the adoption of Storage Area Networks
(SANs) by SMB, Departmental, and Enterprise markets has created the demand to boot servers directly
from SAN-based volumes (Logical Unit Numbers or LUNs). Beyond the obvious flexibility and power
efficiency benefits of not needing Direct-Attached Storage (DAS) Boot Disks in servers, Boot from SAN
allows for quick reconfiguration and deployment of multiple operating system- and application-specific
images.
Dell’s iSCSI solution offerings provide an extremely flexible and scalable platform to meet many
demanding customer environments. Dell iSCSI Array products ranging from Network-Attached Storage
(NAS) Appliances, MD3000i, EqualLogic™, and the full EMC iSCSI portfolio can all be configured to
support Boot from iSCSI.
Scope
The process for configuration boot from iSCSI can vary considerably based on which server-based NICs
are being used, which operating systems you are booting, what type of iSCSI SAN arrays you are using
for storing the boot volumes, and how your SAN architecture is designed to support varying levels of
I/O throughput performance and high availability by adding redundant systems and multi-path I/O
(MPIO).
In this document, we limit our focus to the steps required to configure the iSCSI SAN boot paths as
shown in the following table.
Boot Paths Covered By This Document
Operating Systems Windows Server 2008 SP2
Windows Server 2008 R2
Server Dell PowerEdge 11G Family
• Process validated on PowerEdge R710, system BIOS 1.3.6
Network Interface
Controllers
Broadcom NetXtreme II 5709c Gigabit Ethernet NIC
• Process validated using Broadcom NetExtreme II Ethernet
Boot Agent 5.0.5 and iSCSI Configuration Utility 4.1.1
Intel 10 GbE AT Server Adapter
1
• Process validated using Intel Boot Agent Utility (IBAUtil)
4.17.00.00 and flash firmware iSCSI Boot 2.4.06
1
Theprocedureinthisdocumentshouldworkwithother1GbEand10GbEIntelNICsprovidedbyDellthatusethe
sameInteloptionROM.
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