How to configure a VMware ESX / ESXi host with an Emulex HBA to boot from SAN in a CLARiiON environment

Configuring the Emulex HBA BIOS to boot from SAN includes enabling the BootBIOS prompt and enabling BIOS.

A.  Enable the BootBIOS Prompt

When you configure the Emulex HBA BIOS to boot ESX/ESXi from SAN, you need to enable the BootBIOS prompt.


1. Run lputil.

2. Select 3. Firmware Maintenance.

3. Select an adapter.

4. Select 6. Boot BIOS Maintenance.

5. Select 1. Enable Boot BIOS.

B. Enable the BIOS


When you configure the Emulex HBA BIOS to boot ESX/ESXi from SAN, you need to enable BIOS.




1. Reboot the ESX/ESXi host.


2. To configure the adapter parameters, press ALT+E at the Emulex prompt & follow these steps.

a. Select an adapter (with BIOS support).

b. Select 2. Configure This Adapter’s Parameters.

c. Select 1. Enable or Disable BIOS.

d. Select 1 to enable BIOS.

e. Select x to exit and Esc to return to the previous menu.


3. To configure the boot device, follow these steps from the Emulex main menu.

a. Select the same adapter.

b. Select 1. Configure Boot Devices.

c. Select the location for the Boot Entry.

d. Enter the two-digit boot device.

e. Enter the two-digit (HEX) starting LUN (for example, 08).

f. Select the boot LUN.

g. Select 1. WWPN. (Boot this device using WWPN, not DID).

h. Select x to exit and Y to reboot.


4. Boot into the system BIOS and move Emulex first in the boot controller sequence.


5. Reboot and install on a SAN LUN.

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