Operating System Boot and Shutdown
Booting HP-UX
Appendix A
176
Booting HP-UX
This section covers the following methods of booting HP-UX:
• HP-UX Booting — The standard ways to boot HP-UX. Typically this results in booting HP-UX in
multi-user mode.
• Single-User Mode HP-UX Booting — How to boot HP-UX in single-user mode.
• LVM-Maintenance Mode HP-UX Booting — How to boot HP-UX in LVM-maintenance mode.
See “Shutting Down HP-UX” on page 193 for details on shutting down the HP-UX operating system.
CAUTION ACPI Configuration for HP-UX Must Be “default”
On nPartition-capable HP Integrity servers, to boot the HP-UX operating system an nPartition
must have its ACPI configuration value set to default.
At the EFI Shell interface, enter the acpiconfig command with no arguments to list the
current ACPI configuration. If the acpiconfig value is not set to default, then HP-UX cannot
boot; in this situation you must reconfigure acpiconfig or else booting will be interrupted with
a panic when launching the HP-UX kernel.
To set the ACPI configuration for HP-UX: at the EFI Shell interface enter the acpiconfig
default command, and then enter the reset command for the nPartition to reboot with the
proper (default) configuration for HP-UX.
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