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System Boot Configuration Options
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This section briefly discusses the system boot options you can configure on nPartition-capable servers. You can configure boot options that are specific to each nPartition in the server complex.

HP 9000 Boot Configuration Options. On nPartition-capable HP 9000 servers the configurable system boot options include boot device paths (PRI, HAA, and ALT) and the autoboot setting for the nPartition. To set these options from HP-UX use the setboot command. From the BCH system boot environment, use the PATH command at the BCH Main menu to set boot device paths, and use the PATHFLAGS command at the BCH Configuration menu to set autoboot options. For details issue HELP command at the appropriate BCH menu, where command is the command for which you want help.

HP Integrity Boot Configuration Options. On nPartition-capable HP Integrity servers you must properly specify the ACPI configuration value, which affects the OS startup process and on some servers can affect the shutdown behavior. You also can configure boot device paths and the autoboot setting for the nPartition. Details are given in the following list.

  • Boot Options List—HP Integrity Server Boot Device Paths. You can manage the boot options list for each nPartition either by using the bcfg command at the EFI Shell, or by using the Add a Boot Option, Delete Boot Option(s), and Change Boot Order menu items at the EFI Boot Option Maintenance menu.

    To set boot options from HP-UX use the setboot command.

  • Autoboot Setting. You can configure the autoboot setting for each nPartition either by using the autoboot command at the EFI Shell, or by using the Set Auto Boot TimeOut menu item at the EFI Boot Option Maintenance menu.

    To set autoboot from HP-UX use the setboot command.

  • ACPI Configuration Value—HP Integrity Server OS Boot. On nPartition-capable HP Integrity servers you must set the proper ACPI configuration for the OS that will be booted on the nPartition.

    To check the ACPI configuration value, issue the acpiconfig command with no arguments at the EFI Shell.

    To set the ACPI configuration value, issue the acpiconfig value command at the EFI Shell, where value is either default, windows, or single-pci-domain. Then reset the nPartition by issuing the reset EFI Shell command for the setting to take effect.

    The ACPI configuration settings for the supported operating systems are in the following list.

  • ACPI “Softpowerdown” Configuration—rx7620 and rx8620 OS Shutdown Behavior. On HP rx7620 servers and rx8620 servers you can configure the nPartition behavior when an OS is shutdown and halted. The two options are to have hardware power off when the OS is halted, or to have the nPartition be made inactive (all cells are in a boot-is-blocked state). The normal OS shutdown behavior on rx7620 servers and rx8620 servers depends on the ACPI configuration for the nPartition.

    You can run the acpiconfig command with no arguments to check the current ACPI configuration setting; however, softpowerdown information is displayed only when different from normal behavior.

    To change the nPartition behavior when an OS is shutdown and halted use either the acpiconfig enable softpowerdown EFI Shell command or the acpiconfig disable softpowerdown command and then reset the nPartition to make the ACPI configuration change take effect.

    • acpiconfig enable softpowerdown. When set, acpiconfig enable softpowerdown causes nPartition hardware to be powered off when the operating system issues a shutdown for reconfig command (for example, shutdown -h or shutdown /s).

      This is the normal behavior on rx8620 and rx7620 servers with a windows ACPI configuration setting.

      When softpowerdown is enabled on an rx7620 or rx8620 server, if one nPartition is defined in the server then halting the operating system powers off the server cabinet (including all cells and I/O chassis). On an rx7620 or rx8620 server with multiple nPartitions, halting the operating system from an nPartition with softpowerdown enabled causes only the resources on the local nPartition to be powered off.

      To power on hardware that has been powered off, use the PE command at the management processor command menu.

    • acpiconfig disable softpowerdown. When set, acpiconfig disable softpowerdown causes nPartition cells to remain at a boot-is-blocked state when the operating system issues a shutdown for reconfig command (for example, shutdown -h or shutdown /s). In this case an OS shutdown for reconfig makes the nPartition inactive.

      This is the normal behavior on rx8620 and rx7620 servers with an ACPI configuration setting of default or single-pci-domain.

      To make an inactive nPartition active, use the management processor BO command to boot the nPartition past the boot-is-blocked state.



Appendix A Operating System Boot and Shutdown
  		 


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