Users Guide

11–iSCSI Protocol
iSCSI Boot
Doc No. BC0054508-00 Rev. R
January 21, 2021 Page 125 Copyright © 2021 Marvell
Booting
After that the system has been prepared for an iSCSI boot and the operating
system is present on the iSCSI target, the last step is to perform the actual boot.
The system will boot to Windows or Linux over the network and operate as if it
were a local disk drive.
1. Reboot the server.
2. Press the CTRL+S keys.
3. To boot through an offload path, set the HBA Boot Mode to Enabled.
To boot through a non-offload path, set the HBA Boot Mode to Disabled.
(This parameter cannot be changed when the adapter is in multi-function
mode.)
If CHAP authentication is needed, enable CHAP authentication after determining
that booting is successful (see “Enabling CHAP Authentication” on page 112).
Other iSCSI Boot Considerations
Consider these additional factors when configuring a system for iSCSI boot.
Changing the Speed and Duplex Settings in Windows Environments
Changing the Speed & Duplex settings on the boot port using Windows Device
Manager when performing iSCSI boot through the offload path is not supported.
Booting through the NDIS path is supported. The Speed & Duplex settings can be
changed using the QCS management utility for iSCSI boot through the offload and
NDIS paths.
Locally Administered Address
A user-defined MAC address assigned through the Locally Administered
Address property of the Advanced section on the applicable utility
Configurations page is not supported on iSCSI boot-enabled devices.
Virtual LANs
Virtual LAN (VLAN) tagging is not supported for iSCSI boot with the Microsoft
iSCSI software initiator.
“DD” Method of Creating an iSCSI Boot Image
If installation directly to a remote iSCSI target is not an option, use the “DD”
method as an alternate way to create such an image. This method requires you to
install the image directly to a local hard drive, and then create an iSCSI boot
image for the subsequent boot.