HP rp7440 User Service Guide, Fourth Edition - HP Integrity rx7640 and HP 9000 - Page 116

Booting Red Hat Enterprise Linux, To load the Red Hat Enterprise Linux OS at the EFI Boot Manager menu

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• bcfg boot mv #a #b - Move the item number specified by #a to the position specified by #b in the boot options list. • bcfg boot add # file.efi "Description" - Add a new boot option to the position in the boot options list specified by #. The new boot option references file.efi and is listed with the title specified by Description. For example, bcfg boot add 1 \EFI\redhat\elilo.efi "Red Hat Enterprise Linux"adds a Red Hat Enterprise Linux item as the first entry in the boot options list. Likewise, bcfg boot add 1 \efi\SuSE\elilo.efi "SLES 9"adds a SuSE Linux item as the first entry in the boot options list. Refer to the help bcfg command for details. 4. Exit the console and management processor interfaces if you are finished using them. To exit the EFI environment press ^B (Control+B); this exits the system console and returns to the management processor Main Menu. To exit the management processor, enter X at the Main Menu. Booting Red Hat Enterprise Linux You can boot the Red Hat Enterprise Linux OS on HP Integrity servers using either of the methods described in this section. Refer to "Shutting Down Linux" (page 119) for details on shutting down the Red Hat Enterprise Linux OS. CAUTION: ACPI Configuration for Red Hat Enterprise Linux Must Be default On cell-based HP Integrity servers, to boot the Red Hat Enterprise Linux OS, an nPartition ACPI configuration must be value set to default. At the EFI Shell, enter the acpiconfig command with no arguments to list the current ACPI configuration. If the acpiconfig value is not set to default, then Red Hat Enterprise Linux could panic. In this situation, you must reconfigure acpiconfig to eliminate any bus address conflicts and ensure all I/O slots have unique addresses. To set the ACPI configuration for Red Hat Enterprise Linux: • At the EFI Shell enter the acpiconfig default command. • Enter the reset command for the nPartition to reboot with the proper (default) configuration for Red Hat Enterprise Linux. Use either of the following methods to boot Red Hat Enterprise Linux: • Choose a Red Hat Enterprise Linux entry from the EFI Boot Manager menu. To load the Red Hat Enterprise Linux OS at the EFI Boot Manager menu, choose its entry from the list of boot options. Choosing a Linux entry from the boot options list boots the OS using ELILO.EFI loader and the elilo.conf file. • Initiate the ELILO.EFI Linux loader from the EFI Shell. Refer to the procedure "Booting Red Hat Enterprise Linux (EFI Shell)" (page 117) for details. After choosing the file system for the boot device (for example, fs0:), you can initiate the Linux loader from the EFI Shell prompt by entering the full path for the ELILO.EFI loader. On a Red Hat Enterprise Linux boot device EFI System Partition, the full paths to the loader and configuration files are: 116 Booting and Shutting Down the Operating System

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•
bcfg boot mv
#a #b
— Move the item number specified by
#a
to the position specified
by
#b
in the boot options list.
•
bcfg boot add
# file.efi
"
Description
"
— Add a new boot option to the position in
the boot options list specified by
#
. The new boot option references
file.efi
and is listed
with the title specified by
Description
.
For example,
bcfg boot add 1 \EFI\redhat\elilo.efi "Red Hat
Enterprise Linux"
adds a Red Hat Enterprise Linux item as the first entry in the
boot options list.
Likewise,
bcfg boot add 1 \efi\SuSE\elilo.efi "SLES 9"
adds a SuSE Linux
item as the first entry in the boot options list.
Refer to the
help bcfg
command for details.
4.
Exit the console and management processor interfaces if you are finished using them.
To exit the EFI environment press
^B
(
Control+B
); this exits the system console and returns
to the management processor Main Menu. To exit the management processor, enter
X
at the
Main Menu.
Booting Red Hat Enterprise Linux
You can boot the Red Hat Enterprise Linux OS on HP Integrity servers using either of the methods
described in this section.
Refer to
“Shutting Down Linux” (page 119)
for details on shutting down the Red Hat Enterprise
Linux OS.
CAUTION:
ACPI Configuration for Red Hat Enterprise Linux Must Be default
On cell-based HP Integrity
servers, to boot the Red Hat Enterprise Linux OS, an nPartition ACPI configuration must be
value set to
default
.
At the EFI Shell, enter the
acpiconfig
command with no arguments to list the current ACPI
configuration. If the
acpiconfig
value is not set to
default
, then Red Hat Enterprise Linux
could panic. In this situation, you must reconfigure
acpiconfig
to eliminate any bus address
conflicts and ensure all I/O slots have unique addresses.
To set the ACPI configuration for Red Hat Enterprise Linux:
•
At the EFI Shell enter the
acpiconfig default
command.
•
Enter the
reset
command for the nPartition to reboot with the proper (
default
)
configuration for Red Hat Enterprise Linux.
Use either of the following methods to boot Red Hat Enterprise Linux:
•
Choose a Red Hat Enterprise Linux entry from the EFI Boot Manager menu.
To load the Red Hat Enterprise Linux OS at the EFI Boot Manager menu, choose its entry
from the list of boot options.
Choosing a Linux entry from the boot options list boots the OS using
ELILO.EFI
loader
and the
elilo.conf
file.
•
Initiate the
ELILO.EFI
Linux loader from the EFI Shell.
Refer to the procedure
“Booting Red Hat Enterprise Linux (EFI Shell)” (page 117)
for details.
After choosing the file system for the boot device (for example,
fs0:
), you can initiate the
Linux loader from the EFI Shell prompt by entering the full path for the
ELILO.EFI
loader.
On a Red Hat Enterprise Linux boot device EFI System Partition, the full paths to the loader
and configuration files are:
116
Booting and Shutting Down the Operating System