HP 3PAR RedHat and Oracle Linux Implementation Guide

A SAN boot on hardware iSCSI requires the SAN boot driver for the installation.
"linux dd" can be used to load the driver disk source during the installation.
A networking device, IP address, gateway, and DNS are also required during the install.
Select Specialized Storage Devices to discover the iSCSI boot LUN. See Figure 14 (page 73).
Figure 14 Specialized Storage Devices
Once the boot LUN is discovered, select the multipath devices to install the RHEL
(Figure 15 (page 74)).
Configuring RHEL 6 or RHEL 5 for Software and Hardware iSCSI 73