HP Server rp4440 User Service Guide, Fifth Edition - HP 9000 rp4410/4440 - Page 235

B Utilities, Boot Console Handler, BCH Commands

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B Utilities This appendix describes the utilities that are part of the server. These include the Boot Console Handler (BCH) and the iLO MP. Boot Console Handler The BCH user interface provides the interface between you and the firmware through the menus and simple commands. The BCH is separate code in processor-dependent code (PDC). The BCH code has two purposes: • Enables the bootstrap code to know which path to boot from. • Enables you to interact with PDC to view and modify a set of specific system parameters. Booting is standard for PA RISC, but can be transparent depending on the state of the autoflags (boot, search, and start). If the autoflags are clear and you override autobooting, a boot sequence ends in the interactive portion of BCH where modification and viewing of some system parameters is possible. NOTE: When the autostart flag is off, autoboots are interrupted if a configuration change occurs, which causes reduced performance. Therefore, you must intervene before booting to the internal system loader (ISL). The auto boot halts at the BCH prompt. Continue booting by entering boot. BCH Commands The PDC user interface provides the following types of commands: User Commands Relate to common system management or administration tasks such as configuration or boot. Service Commands Available to qualified service personnel. The service commands are generally used to access information about faults that occur while the system is running. Table B-1 shows the BCH Main Menu, submenus and commands. Examples are provided in "BCH Main Menu Commands and Submenus" (page 236). Table B-1 BCH Main Menu, Submenus, and Commands Submenu BOot [PRI|ALT|] PAth [PRI|ALT] [] SEArch [DIsplay|IPL] [] Description Boots from the specified path. Displays or modify a path. Search for boot devices. COnfiguration menu INformation menu SERvice menu Displays or sets boot values. Displays hardware information. Displays service commands. DIsplay HElp [| RESET Redisplays the current menu. Displays help for menu or command. Restarts the system. The boot device paths specify the primary boot device (PRI boot path), the high-availability alternate device (HAA boot path), and the alternate device (ALT boot path). Boot Console Handler 235

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B Utilities
This appendix describes the utilities that are part of the server. These include the Boot Console
Handler (BCH) and the iLO MP.
Boot Console Handler
The BCH user interface provides the interface between you and the firmware through the menus
and simple commands.
The BCH is separate code in processor-dependent code (PDC). The BCH code has two purposes:
•
Enables the bootstrap code to know which path to boot from.
•
Enables you to interact with PDC to view and modify a set of specific system parameters.
Booting is standard for PA RISC, but can be transparent depending on the state of the autoflags
(
boot, search
, and
start
). If the autoflags are clear and you override autobooting, a boot
sequence ends in the interactive portion of BCH where modification and viewing of some system
parameters is possible.
NOTE:
When the
autostart
flag is off, autoboots are interrupted if a configuration change
occurs, which causes reduced performance. Therefore, you must intervene before booting to the
internal system loader (ISL).
The auto boot halts at the BCH prompt. Continue booting by entering
boot
.
BCH Commands
The PDC user interface provides the following types of commands:
User Commands
Relate to common system management or administration tasks such
as configuration or boot.
Service Commands
Available to qualified service personnel. The service commands are
generally used to access information about faults that occur while the
system is running.
Table B-1
shows the
BCH Main Menu
, submenus and commands. Examples are provided in
“BCH Main Menu Commands and Submenus” (page 236)
.
Table B-1 BCH Main Menu, Submenus, and Commands
Description
Submenu
Boots from the specified path.
BOot [PRI|ALT|<path>]
Displays or modify a path.
PAth [PRI|ALT] [<path>]
Search for boot devices.
SEArch [DIsplay|IPL] [<path>]
Displays or sets boot values.
COnfiguration menu
Displays hardware information.
INformation menu
Displays service commands.
SERvice menu
Redisplays the current menu.
DIsplay
Displays help for menu or command.
HElp [<menu>|<command>
Restarts the system.
RESET
The boot device paths specify the primary boot device (PRI boot path), the high-availability
alternate device (HAA boot path), and the alternate device (ALT boot path).
Boot Console Handler
235