Dell Brocade 825 Brocade Adapters Installation and Reference Manual - Page 188

Installation on systems supporting UEFI

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4 Boot over SAN 14. When you reboot the system, be sure to set up BIOS to boot from the LUN where you installed ESX. Installation on systems supporting UEFI The newer IBM 3xxx M2 and Dell 11G x86_64 systems can operate in either UEFI mode or Legacy BIOS mode. There are various differences in loading the operating system and drivers to these systems for HBAs, CNAs, or Fabric Adapters with ports configured in CNA or HBA modes. Following are procedures for three different installation scenarios that supplement procedures in "Operating system and driver installation on boot LUNs" on page 148. UEFI mode install and boot with HBAs NOTE These procedures are for HBAs installed on SLES 11 and SLES 11 SP1 systems only. For Fabric Adapter ports configured in HBA mode, refer to "Installing Linux (SLES 10 and later) and the driver" on page 153 If the LUN you have targeted for booting over SAN already has an operating system installed, be sure to use options for reformatting the LUN operating system installation. Refer to your operating system documentation for details. 1. Set the appropriate mode, depending on your host system. Following are some examples: • Dell 11G systems - Set UEFI boot mode. • IBM 3xxx M2 systems - Move boot option "Legacy only" below UEFI boot entries in the boot options menu. 2. Insert the SLES 11 product CD in your host system and follow your system procedures to boot from the CD. 3. Proceed with the SLES 11 installation, making certain to set up the UEFI /boot/efi partition and to select the "elilo" boot loader. During the installation, the boot loader installation process will display an error dialog box. Retrying the boot loader installation will not correct the problem, so just continue with installation. The problem will be corrected using the UEFI system boot options functions. 4. Allow the installation to continue through the reboot. When the system is rebooting, watch for an opportunity to set UEFI boot options using the UEFI boot manager menu. 5. From the boot manager menu, select Add Option to navigate to the appropriate drive from which you will boot over SAN, and select the efi directory and the elilo.efi program. This corrects the boot loader installation failure that was reported during installation. 6. Use the UEFI start option to boot the OS entry for the SAN drive (elilo.efi). The boot operation will load the SLES 11 kernel and initrd then start the Linux system When the Linux kernel attempts to mount the root file system a second error may occur which is caused by the boot installation setup selecting the wrong disk partition for the root file system. After the kernel's initial failure to mount the root file system it will attempt to mount a fall-back root file system. This will be the proper root file system and the SLES system should 160 Brocade Adapters Installation and Reference Manual 53-1002144-01

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160
Brocade Adapters Installation and Reference Manual
53-1002144-01
Boot over SAN
4
14.
When you reboot the system, be sure to set up BIOS to boot from the LUN where you installed
ESX.
Installation on systems supporting UEFI
The newer IBM 3xxx M2 and Dell 11G x86_64 systems can operate in either UEFI mode or Legacy
BIOS mode. There are various differences in loading the operating system and drivers to these
systems for HBAs, CNAs, or Fabric Adapters with ports configured in CNA or HBA modes. Following
are procedures for three different installation scenarios that supplement procedures in
“Operating
system and driver installation on boot LUNs”
on page 148.
UEFI mode install and boot with HBAs
NOTE
These procedures are for HBAs installed on SLES 11 and SLES 11 SP1 systems only. For Fabric
Adapter ports configured in HBA mode, refer to
“Installing Linux (SLES 10 and later) and the driver”
on page 153
If the LUN you have targeted for booting over SAN already has an operating system installed, be
sure to use options for reformatting the LUN operating system installation. Refer to your operating
system documentation for details.
1.
Set the appropriate mode, depending on your host system. Following are some examples:
•
Dell 11G systems - Set UEFI boot mode.
•
IBM 3xxx M2 systems - Move boot option “Legacy only” below UEFI boot entries in the boot
options menu.
2.
Insert the SLES 11 product CD in your host system and follow your system procedures to boot
from the CD.
3.
Proceed with the SLES 11 installation, making certain to set up the UEFI /boot/efi partition
and to select the “elilo” boot loader.
During the installation, the boot loader installation process will display an error dialog box.
Retrying the boot loader installation will not correct the problem, so just continue with
installation. The problem will be corrected using the UEFI system boot options functions.
4.
Allow the installation to continue through the reboot. When the system is rebooting, watch for
an opportunity to set UEFI boot options using the UEFI boot manager menu.
5.
From the boot manager menu, select
Add Option
to navigate to the appropriate drive from
which you will boot over SAN, and select the efi directory and the elilo.efi program.
This corrects the boot loader installation failure that was reported during installation.
6.
Use the UEFI start option to boot the OS entry for the SAN drive (elilo.efi).
The boot operation will load the SLES 11 kernel and initrd then start the Linux system
When the Linux kernel attempts to mount the root file system a second error may occur which
is caused by the boot installation setup selecting the wrong disk partition for the root file
system. After the kernel's initial failure to mount the root file system it will attempt to mount a
fall-back root file system. This will be the proper root file system and the SLES system should