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nPartition Administrator's Guide > Chapter 5 Booting and Resetting nPartitions

Booting and Shutting Down HP-UX

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This section has procedures for booting and shutting down HP-UX on cell-based HP servers and a procedure for adding HP-UX to the boot options list on HP Integrity servers.

HP-UX Support for Cell Local Memory

On servers based on the HP sx1000 chipset or HP sx2000 chipset, each cell has a cell local memory (CLM) parameter, which determines how firmware interleaves memory residing on the cell.

NOTE: HP-UX 11i Version 1 (B.11.11) does not support using CLM. Before booting HP-UX 11i Version 1 on an nPartition, you must ensure that the CLM parameter for each cell in the nPartition is set to zero (0). Although you might be able to boot HP-UX 11i Version 1 on an nPartition with CLM configured, any memory configured as cell local is unusable, and such a configuration is untested and unsupported.

HP-UX 11i Version 2 (B.11.23) and HP-UX 11i Version 3 (B.11.31) support using CLM. The optimal CLM settings depend on the applications and workload the OS is running.

To check CLM configuration details from an OS, use Partition Manager or the parstatus command. For example, the parstatus -V -c# command and parstatus -V -p# command report the CLM amount requested and CLM amount allocated for the specified cell (-c#, where # is the cell number) or the specified nPartition (-p#, where # is the nPartition number).

To check CLM configuration details from the EFI Shell on a cell-based HP Integrity server, use the info mem command. If the amount of "NonInterleaved Memory" reported is less than 512 MB then no CLM is configured for any cells in the nPartition (and the indicated amount of noninterleaved memory is used by system firmware). If the info mem command reports more than 512 MB of noninterleaved memory then use use Partition Manager or the parstatus command to confirm the CLM configuration details.

To set the CLM configuration, use Partition Manager or the parmodify command.

Adding HP-UX to the Boot Options List

This section describes how to add an HP-UX entry to the system boot options list.

You can add the \EFI\HPUX\HPUX.EFI loader to the boot options list from the EFI Shell or EFI Boot Configuration menu (or in some versions of EFI, the Boot Option Maintenance menu).

NOTE: On HP Integrity servers, the operating system installer automatically adds an entry to the boot options list.

Procedure 5-6 Adding an HP-UX Boot Option

This procedure adds an HP-UX item to the boot options list from the EFI Shell.

To add an HP-UX boot option when logged in to HP-UX use the setboot command. For details refer to the setboot(1M) manpage.

  1. Access the EFI Shell environment.

    Log in to the management processor and enter CO to access the system console.

    When accessing the console, confirm that you are at the EFI Boot Manager menu (the main EFI menu). If at another EFI menu, select the Exit option from the sub-menus until you return to the screen with the EFI Boot Manager heading.

    From the EFI Boot Manager menu, select the EFI Shell menu option to access the EFI Shell environment.

  2. Access the EFI System Partition (fsX: where X is the file system number) for the device from which you want to boot HP-UX.

    For example, enter fs2: to access the EFI System Partition for the bootable file system number 2. The EFI Shell prompt changes to reflect the file system currently accessed.

    The full path for the HP-UX loader is \EFI\HPUX\HPUX.EFI and it should be on the device you are accessing.

  3. At the EFI Shell environment, use the bcfg command to manage the boot options list.

    The bcfg command includes the following options for managing the boot options list:

    • bcfg boot dump — Display all items in the boot options list for the system.

    • bcfg boot rm # — Remove the item number specified by # from the boot options list.

    • 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\HPUX\HPUX.EFI "HP-UX 11i"adds an HP-UX 11i item as the first entry in the boot options list.

    See 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, type X at the Main Menu.

Booting HP-UX

This section covers the following methods of booting HP-UX:

Refer to “Shutting Down HP-UX” for details on shutting down the HP-UX OS.

CAUTION:

ACPI Configuration for HP-UX Must Be default. On cell-based HP Integrity servers, to boot the HP-UX OS 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 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.

HP-UX Booting

This section describes how to boot HP-UX on cell-based HP 9000 servers and cell-based HP Integrity servers.

Procedure 5-7 HP-UX Booting (BCH Menu)

From the BCH Menu, use the BOOT command to boot the HP-UX OS. The BCH Menu is available only on HP 9000 servers.

  1. Access the BCH Main Menu for the nPartition on which you want to boot HP-UX.

    Log in to the management processor (MP) and enter CO to access the Console list. Choose the nPartition console. When accessing the console, confirm that you are at the BCH Main Menu (the Main Menu: Enter command or menu> prompt). If you are at a BCH menu other than the Main Menu, then enter MA to return to the BCH Main Menu.

  2. Choose which device you want to boot.

    From the BCH Main Menu, use the PATH command to list any boot path variable settings. The primary (PRI) boot path normally is set to the main boot device for the nPartition. You also can use the SEARCH command to find and list potentially bootable devices for the nPartition.

    Main Menu: Enter command or menu > PATH Primary Boot Path: 0/0/2/0/0.13 0/0/2/0/0.d (hex) HA Alternate Boot Path: 0/0/2/0/0.14 0/0/2/0/0.e (hex) Alternate Boot Path: 0/0/2/0/0.0 0/0/2/0/0.0 (hex) Main Menu: Enter command or menu >
  3. Boot the device using the BOOT command from the BCH interface.

    You can issue the BOOT command in any of the following ways:

    • BOOT

      Issuing the BOOT command with no arguments boots the device at the primary (PRI) boot path.

    • BOOT bootvariable

      This command boots the device indicated by the specified boot path, where bootvariable is the PRI, HAA, or ALT boot path.

      For example, BOOT PRI boots the primary boot path.

    • BOOT LAN INSTALL or BOOT LAN.ip-address INSTALL

      The BOOT... INSTALL commands boot HP-UX from the default HP-UX install server or from the server specified by ip-address.

    • BOOT path

      This command boots the device at the specified path. You can specify the path in HP-UX hardware path notation (for example, 0/0/2/0/0.13) or in path label format (for example, P0 or P1) .

      If you specify the path in path label format, then path refers to a device path reported by the last SEARCH command.

    After you issue the BOOT command, the BCH interface prompts you to specify whether you want to stop at the ISL prompt.

    To boot the /stand/vmunix HP-UX kernel from the device without stopping at the ISL prompt, enter n to automatically proceed past ISL and execute the contents of the AUTO file on the chosen device. (By default the AUTO file is configured to load /stand/vmunix.)

    Main Menu: Enter command or menu > BOOT PRI Primary Boot Path: 0/0/1/0/0.15 Do you wish to stop at the ISL prompt prior to booting? (y/n) >> n ISL booting hpux Boot : disk(0/0/1/0/0.15.0.0.0.0.0;0)/stand/vmunix

    To boot an HP-UX kernel other than /stand/vmunix, or to boot HP-UX in single-user or LVM-maintenance mode, stop at the ISL prompt and specify the appropriate arguments to the hpux loader.

  4. Exit the console and management processor interfaces if you are finished using them.

    To exit the BCH environment, press ^B (Control-B); this exits the nPartition console and returns to the management processor Main Menu. To exit the management processor, type X at the Main Menu.

Procedure 5-8 HP-UX Booting (EFI Boot Manager)

From the EFI Boot Manager menu, choose an item from the boot options list to boot HP-UX using that boot option. The EFI Boot Manager is available only on HP Integrity servers.

Refer to “ACPI Configuration for HP-UX Must Be default” for required configuration details.

  1. Access the EFI Boot Manager menu for the nPartition on which you want to boot HP-UX.

    Log in to the management processor (MP) and enter CO to access the Console list. Choose the nPartition console.

    When accessing the console, confirm that you are at the EFI Boot Manager menu (the main EFI menu). If you are at another EFI menu, choose the Exit option from the submenus until you return to the screen with the EFI Boot Manager heading.

  2. At the EFI Boot Manager menu, choose an item from the boot options list.

    Each item in the boot options list references a specific boot device and provides a specific set of boot options or arguments to be used when booting the device.

  3. Press Enter to initiate booting using the chosen boot option.

  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 nPartition console and returns to the management processor Main Menu. To exit the management processor, type X at the Main Menu.

Procedure 5-9 HP-UX Booting (EFI Shell)

From the EFI Shell environment, to boot HP-UX on a device first access the EFI System Partition (for example fs0:) for the root device and then enter HPUX to initiate the loader. The EFI Shell is available only on HP Integrity servers.

Refer to “ACPI Configuration for HP-UX Must Be default” for required configuration details.

  1. Access the EFI Shell environment for the nPartition on which you want to boot HP-UX.

    Log in to the management processor (MP) and enter CO to access the Console list. Choose the nPartition console.

    When accessing the console, confirm that you are at the EFI Boot Manager menu (the main EFI menu). If you are at another EFI menu, choose the Exit option from the submenus until you return to the screen with the EFI Boot Manager heading.

    From the EFI Boot Manager menu, choose the EFI Shell menu option to access the EFI Shell environment.

  2. At the EFI Shell environment, issue the acpiconfig command to list the current ACPI configuration for the local nPartition.

    On cell-based HP Integrity servers, to boot the HP-UX OS an nPartition must have its ACPI configuration value set to default. If the acpiconfig value is not set to default, then HP-UX cannot boot; in this situation you must reconfigure acpiconfig or 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.

  3. At the EFI Shell environment, issue the map command to list all currently mapped bootable devices.

    The bootable file systems of interest typically are listed as fs0:, fs1:, and so on.

  4. Access the EFI System Partition (fsX: where X is the file system number) for the device from which you want to boot HP-UX.

    For example, enter fs2: to access the EFI System Partition for the bootable file system number 2. The EFI Shell prompt changes to reflect the file system currently accessed.

    The file system number can change each time it is mapped (for example, when the nPartition boots, or when the map -r command is issued).

  5. When accessing the EFI System Partition for the desired boot device, issue the HPUX command to initiate the HPUX.EFI loader on the device you are accessing.

    The full path for the loader is \EFI\HPUX\HPUX.EFI and when initiated it references the \EFI\HPUX\AUTO file and proceeds to boot HP-UX using the default boot behavior specified in the AUTO file.

    You are given 10 seconds to interrupt the automatic booting of the default boot behavior. Pressing any key during this 10-second period stops the HP-UX boot process and enables you to interact with the HPUX.EFI loader. To exit the loader (the HPUX> prompt), enter exit (this return you to the EFI Shell).

    To boot the HP-UX OS, do not type anything during the 10-second period given for stopping at the HPUX.EFI loader.

    Shell> map Device mapping table fs0 : Acpi(000222F0,269)/Pci(0|0)/Scsi(Pun8,Lun0)/HD(Part1,Sig72550000) blk0 : Acpi(000222F0,269)/Pci(0|0)/Scsi(Pun8,Lun0) blk1 : Acpi(000222F0,269)/Pci(0|0)/Scsi(Pun8,Lun0)/HD(Part1,Sig72550000) blk2 : Acpi(000222F0,269)/Pci(0|0)/Scsi(Pun8,Lun0)/HD(Part2,Sig72550000) blk3 : Acpi(000222F0,2A8)/Pci(0|0)/Scsi(Pun8,Lun0) blk4 : Acpi(000222F0,2A8)/Pci(0|1)/Scsi(Pun2,Lun0) Shell> fs0: fs0:\> hpux (c) Copyright 1990-2002, Hewlett Packard Company. All rights reserved HP-UX Boot Loader for IA64 Revision 1.723 Press Any Key to interrupt Autoboot \efi\hpux\AUTO ==> boot vmunix Seconds left till autoboot - 9
  6. 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 nPartition console and returns to the management processor Main Menu. To exit the management processor, type X at the Main Menu.

Single-User Mode HP-UX Booting

This section describes how to boot HP-UX in single-user mode on cell-based HP 9000 servers and cell-based HP Integrity servers.

Procedure 5-10 Single-User Mode HP-UX Booting (BCH Menu)

From the BCH Menu, you can boot HP-UX in single-user mode by issuing the BOOT command, stopping at the ISL interface, and issuing hpux loader options. The BCH Menu is available only on HP 9000 servers.

  1. Access the BCH Main Menu for the nPartition on which you want to boot HP-UX in single-user mode.

    Log in to the management processor (MP) and enter CO to access the Console list. Choose the nPartition console. When accessing the console, confirm that you are at the BCH Main Menu (the Main Menu: Enter command or menu> prompt). If you are at a BCH menu other than the Main Menu, then enter MA to return to the BCH Main Menu.

  2. Boot the desired device using the BOOT command at the BCH interface, and specify that the nPartition stop at the ISL prompt prior to booting (reply y to the "stop at the ISL prompt" question).

    Main Menu: Enter command or menu > BOOT 0/0/2/0/0.13 BCH Directed Boot Path: 0/0/2/0/0.13 Do you wish to stop at the ISL prompt prior to booting? (y/n) >> y Initializing boot Device. .... ISL Revision A.00.42 JUN 19, 1999 ISL>
  3. From the ISL prompt, issue the appropriate Secondary System Loader (hpux) command to boot the HP-UX kernel in the desired mode.

    Use the hpux loader to specify the boot mode options and to specify which kernel (such as: /stand/vmunix) to boot on the nPartition.

    • To boot HP-UX in single-user mode:

      ISL> hpux -is boot /stand/vmunix

    • To boot HP-UX at the default run level:

      ISL> hpux boot /stand/vmunix

    To exit the ISL prompt and return to the BCH interface, issue the EXIT command instead of specifying one of the hpux loader commands.

    Refer to the hpux(1M) manpage for a detailed list of hpux loader options.

    Example 5-1 Single-User HP-UX Boot

    ISL Revision A.00.42 JUN 19, 1999 ISL> hpux -is /stand/vmunix Boot : disk(0/0/2/0/0.13.0.0.0.0.0;0)/stand/vmunix 8241152 + 1736704 + 1402336 start 0x21a0e8 .... INIT: Overriding default level with level 's' INIT: SINGLE USER MODE INIT: Running /sbin/sh #
  4. Exit the console and management processor interfaces if you are finished using them.

    To exit the BCH environment, press ^B (Control-B); this exits the nPartition console and returns to the management processor Main Menu. To exit the management processor, type X at the Main Menu.

Procedure 5-11 Single-User Mode HP-UX Booting (EFI Shell)

From the EFI Shell environment, boot in single-user mode by stopping the boot process at the HPUX.EFI interface (the HP-UX Boot Loader prompt, HPUX>) entering the boot -is vmunix command. The EFI Shell is available only on HP Integrity servers.

Refer to “ACPI Configuration for HP-UX Must Be default” for required configuration details.

  1. Access the EFI Shell environment for the nPartition on which you want to boot HP-UX in single-user mode.

    Log in to the management processor (MP) and enter CO to access the Console list. Choose the nPartition console.

    When accessing the console, confirm that you are at the EFI Boot Manager menu (the main EFI menu). If you are at another EFI menu, choose the Exit option from the submenus until you return to the screen with the EFI Boot Manager heading.

    From the EFI Boot Manager menu, choose the EFI Shell menu option to access the EFI Shell environment.

  2. Access the EFI System Partition (fsX: where X is the file system number) for the device from which you want to boot HP-UX.

  3. When accessing the EFI System Partition for the desired boot device, issue the HPUX command to initiate the \EFI\HPUX\HPUX.EFI loader on the device you are accessing.

  4. Boot to the HP-UX Boot Loader prompt (HPUX>) by pressing any key within the 10 seconds given for interrupting the HP-UX boot process. You will use the HPUX.EFI loader to boot HP-UX in single-user mode in the next step.

    After you press any key, the HPUX.EFI interface (the HP-UX Boot Loader prompt, HPUX>) is provided. For help using the HPUX.EFI loader, enter the help command. To return to the EFI Shell, enter exit.

    fs0:\> hpux (c) Copyright 1990-2002, Hewlett Packard Company. All rights reserved HP-UX Boot Loader for IA64 Revision 1.723 Press Any Key to interrupt Autoboot \efi\hpux\AUTO ==> boot vmunix Seconds left till autoboot - 9 [User Types A Key to Stop the HP-UX Boot Process and Access the HPUX.EFI Loader ] Type 'help' for help HPUX>
  5. At the HPUX.EFI interface (the HP-UX Boot Loader prompt, HPUX>) enter the boot -is vmunix command to boot HP-UX (the /stand/vmunix kernel) in single-user (-is) mode.

    HPUX> boot -is vmunix > System Memory = 4063 MB loading section 0 ................................................... (complete) loading section 1 ........ (complete) loading symbol table loading System Directory(boot.sys) to MFS .... loading MFSFILES Directory(bootfs) to MFS ...... Launching /stand/vmunix SIZE: Text:25953K + Data:3715K + BSS:3637K = Total:33306K Console is on a Serial Device Booting kernel...
  6. 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 nPartition console and returns to the management processor Main Menu. To exit the management processor, type X at the Main Menu.

LVM-Maintenance Mode HP-UX Booting

This section describes how to boot HP-UX in LVM-maintenance mode on cell-based HP 9000 servers and cell-based HP Integrity servers.

Procedure 5-12 LVM-Maintenance Mode HP-UX Booting (BCH Menu)

From the BCH Menu, you can boot HP-UX in LVM-maintenance mode by issuing the BOOT command, stopping at the ISL interface, and issuing hpux loader options. The BCH Menu is available only on HP 9000 servers.

  1. Access the BCH Main Menu for the nPartition on which you want to boot HP-UX in LVM-maintenance mode.

    Log in to the management processor (MP) and enter CO to access the Console list. Choose the nPartition console. When accessing the console, confirm that you are at the BCH Main Menu (the Main Menu: Enter command or menu> prompt). If you are at a BCH menu other than the Main Menu, then enter MA to return to the BCH Main Menu.

  2. Boot the desired device using the BOOT command at the BCH interface, and specify that the nPartition stop at the ISL prompt prior to booting (reply y to the "stop at the ISL prompt" question).

  3. From the ISL prompt, issue the appropriate Secondary System Loader (hpux) command to boot the HP-UX kernel in the desired mode.

    To boot HP-UX in LVM-maintenance mode:

    ISL> hpux -lm boot /stand/vmunix

  4. Exit the console and management processor interfaces if you are finished using them.

    To exit the BCH environment, press ^B (Control-B); this exits the nPartition console and returns to the management processor Main Menu. To exit the management processor, type X at the Main Menu.

Procedure 5-13 LVM-Maintenance Mode HP-UX Booting (EFI Shell)

From the EFI Shell environment, boot in LVM-maintenance mode by stopping the boot process at the HPUX.EFI interface (the HP-UX Boot Loader prompt, HPUX>) entering the boot -lm vmunix command. The EFI Shell is available only on HP Integrity servers.

Refer to “ACPI Configuration for HP-UX Must Be default” for required configuration details.

  1. Access the EFI Shell environment for the nPartition on which you want to boot HP-UX in LVM-maintenance mode.

    Log in to the management processor (MP) and enter CO to access the Console list. Choose the nPartition console.

    When accessing the console, confirm that you are at the EFI Boot Manager menu (the main EFI menu). If you are at another EFI menu, choose the Exit option from the submenus until you return to the screen with the EFI Boot Manager heading.

    From the EFI Boot Manager menu, choose the EFI Shell menu option to access the EFI Shell environment.

  2. Access the EFI System Partition (fsX: where X is the file system number) for the device from which you want to boot HP-UX.

  3. When accessing the EFI System Partition for the desired boot device, issue the HPUX command to initiate the \EFI\HPUX\HPUX.EFI loader on the device you are accessing.

  4. Type any key within the 10 seconds given for interrupting the HP-UX boot process. This stops the boot process at the HPUX.EFI interface (the HP-UX Boot Loader prompt, HPUX>).

  5. At the HPUX.EFI interface, enter the boot -lm vmunix command to boot HP-UX (the /stand/vmunix kernel) in LVM-maintenance (-lm) mode.

  6. 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 nPartition console and returns to the management processor Main Menu. To exit the management processor, type X at the Main Menu.

Shutting Down HP-UX

When HP-UX is running on an nPartition, you can shut down HP-UX using the shutdown command.

On nPartitions you have the following options when shutting down HP-UX:

  • To shut down HP-UX and reboot an nPartition: shutdown -r

    On cell-based HP Integrity servers, the shutdown -r command is equivalent to the shutdown -R command.

  • To shut down HP-UX and halt an nPartition: shutdown -h

    On cell-based HP Integrity servers, the shutdown -h command is equivalent to the shutdown -R -H command.

  • To perform a reboot for reconfig of an nPartition: shutdown -R

  • To hold an nPartition at a shutdown for reconfig state: shutdown -R -H

For details refer to the shutdown(1M) manpage.

NOTE: On HP rx7620, rx7640, rx8620, and rx8640 servers, you can configure the nPartition behavior when an OS is shutdown and halted (shutdown -h or shutdown -R -H). 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 behavior for HP-UX shutdown and halt is for the nPartition to be made inactive.

For details refer to “ACPI Softpowerdown Configuration—OS Shutdown Behavior”.

Procedure 5-14 Shutting Down HP-UX

From the HP-UX command line, issue the shutdown command to shut down the HP-UX OS.

  1. Log in to HP-UX running on the nPartition that you want to shut down.

    You should log in to the MP for the server and use the Console menu to access the system console. Accessing the console through the MP enables you to maintain console access to the system after HP-UX has shut down.

  2. Issue the shutdown command with the appropriate command-line options.

    The command-line options you specify dictate the way in which HP-UX is shut down, whether the nPartition is rebooted, and whether any nPartition configuration changes (adding or removing cells) take place.

    Use the following list to choose an HP-UX shutdown option for your nPartition:

    • Shut down HP-UX and halt the nPartition.

      On HP 9000 servers only, issue the shutdown -h command to shut down and halt the nPartition. This leaves the nPartition and all its cells in an active state after HP-UX shuts down and halts.

      To reboot a halted nPartition, you must reset the nPartition using the RS command at the GSP command menu.

      On cell-based HP Integrity servers, the shutdown -h command puts an nPartition into the shutdown for reconfig state; for details refer to the discussion of shutdown -R -H in this list.

    • Shut down HP-UX and reboot the nPartition.

      Issue the shutdown -r command to shut down and reboot the nPartition.

      On cell-based HP Integrity servers, the shutdown -r command is equivalent to the shutdown -R command.

    • Perform a reboot for reconfig of the nPartition.

      Issue the HP-UX shutdown -R command to perform a reboot for reconfig.

      This shuts down HP-UX, reconfigures the nPartition if needed, and reboots the nPartition.

    • Reboot the nPartition and put it into the shutdown for reconfig state.

      Use the HP-UX shutdown -R -H command to hold the nPartition in the shutdown for reconfig state.

      This leaves the nPartition and all its cells in an inactive state (the nPartition can be reconfigured remotely), unless the normal behavior has been modified. For details on changing OS halt behavior on rx8620 and rx7620 servers, refer to “ACPI Softpowerdown Configuration—OS Shutdown Behavior”.

      To reboot the nPartition, you must do so manually by using the BO command at the management processor Command menu.

    If HP-UX is halted on the nPartition, thus not allowing you to use the shutdown command, you can reboot or reset the nPartition by issuing commands from the management processor Command menu.

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