bios B

bios

Enables the basic input/output system (BIOS) in preparation for Boot Over SAN. The BIOS is the firmware code that, when first powered on, is a type of boot loader.

NOTE

Refer to the Brocade Adapters Installation and Reference Manual for more information about configuring BIOS.

Synopsis bcu bios --query <port_id>

bcu bios --enable<port_id> [-s speed] [-o autoflashfirstlun] [-p pos] {-b pwwn,lun}*

bcu bios --disable<port_id>

Description You must enable BIOS to support boot over SAN for a port. If disabled, the host system cannot boot from Fibre Channel disk drives. BIOS must be enabled on only one adapter port per host in order to boot from SAN. The default setting for the boot BIOS is enabled.

The port ID can be any of the following:

Adapter ID

Port ID

Port WWN

Port name

Port hardware path

Operands

--query

Queries the boot-over-SAN configuration.

 

port_id

Specifies the ID of the port for which you want to display information.

 

--enable

Enables the boot over SAN configuration.

 

port_id

Specifies the ID of the port for which you want to set the port’s boot from SAN

 

 

attributes.

 

s speed

Specifies the port speed as auto-negotiate.

oautoflashfirstlun

 

Specifies the following options for obtaining boot LUN information:

 

auto - Enables auto-discovery. When enabled, the boot LUN identification

 

is provided by the fabric.

 

flash - The adapter obtains the boot LUN information from flash memory.

 

Values are saved to flash when you configure them and save them

 

through the BIOS Configuration Utility, HCM, and BCU.

 

firstlun - The host boots from the first LUN visible to the adapter that is

 

discovered in the fabric.

p pos

Specifies the position for storing the boot LUN information in the -b pwwn, lun

 

operand. The range is 0-3. The LUN information specified in position 0 is used

 

first to boot from SAN, then information specified for positions 1, 2, and 3.

Brocade Adapters Administrator’s Guide

131

53-1001583-01

 

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Brocade Communications Systems 804 manual Bios, Synopsis bcu bios --query portid, Operands Query