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X6800 Server Node iBMC (V300 or Later) User Guide 07

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Huawei uses machine translation combined with human proofreading to translate this document to different languages in order to help you better understand the content of this document. Note: Even the most advanced machine translation cannot match the quality of professional translators. Huawei shall not bear any responsibility for translation accuracy and it is recommended that you refer to the English document (a link for which has been provided).
Power Control

Power Control

Function Description

The Power Control page allows you to perform the following operations:
  • Power on, power off, or reset the server OS, or trigger the OS to generate a non-maskable interrupt (NMI).
  • Set the power restore policy for the server OS.

An NMI is a special interrupt that cannot be masked by using a standard interrupt masking technology. An NMI is generated typically when a non-recoverable hardware error occurs. Some NMIs can be masked by using special methods.

Before you perform power control on a server, ensure that the operation does not affect services.

GUI

Choose Power from the main menu, and select Power Control from the navigation tree.

The Power Control page is displayed.



Page Element Description

Table 3-29 Elements on the Virtual Power Buttons area

Element

Description

System Power

Current status of the server OS.

Power On

Starts the server OS.

Power Off

Shuts down the server OS.

Power-off Timeout

The iBMC acts according to the setting of Power-off Timeout after the Power Off button is clicked to shut down the server OS.

  • If Power-off Timeout is enabled, the iBMC forcibly shuts down the OS when the OS fails to shut down within the specified timeout period.
  • If Power-off Timeout is disabled, the iBMC does not interfere with the OS shutdown process.

The value range and default value of Timeout Period vary depending on the server model. For details, see the information displayed on the WebUI.

  • To enable the function for power-off timeout, set this parameter to . Click , enter a value in the text box, and click Save.
  • To disable the function of power-off timeout, set this parameter to .

Forced Power Off

NOTICE:

A forced power-off may cause data corruption or data loss.

Forcibly powers off the server OS within 6 seconds after this button is clicked.

Forced System Reset

NOTICE:

A forced reset may damage user programs or unsaved data.

Resets the server OS.

NOTE:
  • Forced System Reset does not work if the OS is already shut down.

  • This operation affects the power-off operation being performed.

Forced Power Cycle

NOTICE:

A forced power cycle may cause data corruption or data loss.

Forcibly shuts down the server OS, and about 6 seconds later, starts the OS again.

NMI

Triggers a non-maskable interrupt (NMI).

Click this button to trigger an NMI only when the OS is abnormal. Do not click this button when the OS is operating properly.

NOTICE:

Click this button only for internal commissioning. Before clicking this button, ensure that the OS has the NMI processing program. Otherwise, the OS may crash.

Disable Panel Power Button

Disables the power button on the server panel.

Click or , and click Save.

Default value:

If you set this parameter to , the power button on the server panel does not work.

Table 3-30 Options in the System State Upon Power Supply area

Option

Description

Power On

Automatically starts the OS after the power supply is restored.

Restore Previous State

Restores the OS to the state before the power failure.
  • If the server OS is started before the power failure, the server OS starts automatically after the power supply is restored.
  • If the server OS is shut down before the power failure, the server OS is shut down after the power supply is restored.

Remain Off

Keeps the server OS shut down even after the power supply is restored.

Procedure

Table 3-31 Power control operations

Operation

Procedure

Start the server OS.

  1. On the Power Control page, click the Power On button under Virtual Power Buttons.

    The following message is displayed:
    Are you sure you want to perform this operation?
  2. Click Yes.

    The server OS startup time varies according to the server configuration. If "Operation Successful" is displayed, the OS starts successfully.

    After the OS starts, System Power changes to On.

Shut down the server OS.

  1. On the Power Control page, click the Power Off button under Virtual Power Buttons.

    The following message is displayed:
    Are you sure you want to perform this operation?
  2. Click Yes.

    If "Operation Successful" is displayed, the server OS is shut down successfully.

    After the server OS is shut down, System Power changes to Off.

Forcibly shut down the server OS.

  1. On the Power Control page, click the Forced Power Off button under Virtual Power Buttons.

    The following message is displayed:
    Are you sure you want to perform this operation?
  2. Click Yes.

    If "Operation Successful" is displayed, the server OS is forcibly shut down.

    After the server OS is forcibly shut down, System Power changes to Off.

Forcibly Reset the server OS.

  1. On the Power Control page, click the Forced System Reset button under Virtual Power Buttons.

    The following message is displayed:
    Are you sure you want to perform this operation?
  2. Click Yes.

    If "Operation Successful" is displayed, the server OS is forcibly reset.

Power cycle the server OS.

  1. On the Power Control page, click the Forced Power Cycle button under Virtual Power Buttons.

    The following message is displayed:
    Are you sure you want to perform this operation?
  2. Click Yes.

    The time required varies according to the server configuration. If "Operation Successful" is displayed, the server OS is powered off and then on successfully.

    During the power cycle process, System Power changes from On to Off and then to On.

Trigger an NMI

NOTICE:

Perform this operation only when the OS is abnormal. Before clicking this button, ensure that the OS has the NMI processing program. Otherwise, the OS may crash.

  1. On the Power Control page, click the NMI button under Virtual Power Buttons.

    The following message is displayed:
    Generating an NMI may cause data corruption or data loss. Are you sure you want to continue?
  2. Click Yes.

    The time required varies according to the server configuration. If "Operation Successful" is displayed, an NMI is triggered successfully.

Set the power restore policy.

  1. On the Power Control page, select the power restore policy under System State Upon Power Supply.

    For details about the options, see Table 3-30.

  2. Click Save.

    If "Operation Successful" is displayed, the setting is successful.

Set the power-off timeout period.

  1. On the Power Control page, check that Power-off Timeout is set to .

  2. Click , enter a value in the text box.

    Click to view the value range. The value range varies according to the server model.

    The default value is 600.

  3. Click Save.

    If "Operation Successful" is displayed, the setting is successful.

Check the power-off timeout period.

On the Power Control page, check the value of Timeout Period (s) next to Power-off Timeout under the Virtual Power Buttons area.

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Updated: 2019-02-28

Document ID: EDOC1100019360

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