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FusionServer G5500 Server iBMC (V300 or Later) User Guide 04

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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).
Restoring Default iBMC Settings

Restoring Default iBMC Settings

Scenario

Restore the default iBMC settings when the iBMC configuration data is damaged or the iBMC cannot start or be accessed.

You can use U-Boot commands or a jumper to restore the default iBMC settings.

  • Only Huawei technical support personnel or personnel authorized by Huawei can perform this operation.
  • Default iBMC settings can only be restored on-site.
  • All user settings, including user names, passwords, and IP addresses, will be restored to defaults. Perform this operation with caution.
  • Back up data and network before restoring iBMC default settings.

Default iBMC configurations can be restored using U-Boot commands or the jumper. Table 6-1 lists the product models and supported restoration methods.

NOTE:

The following methods are available to restore default iBMC configurations of the iBMC:

  • Use the U-Boot commands to restore the default iBMC configurations if you can log in to the U-Boot over a serial port.
  • Use a jumper to restore the default iBMC configurations if the U-Boot and iBMC are inaccessible.
Table 6-1  Product models and supported restoration methods
Product Model U-Boot Jumper
G560 Supported Supported
G530 V5 Supported Supported
G560 V5 Supported Supported

Procedure

  • To restore iBMC default settings using U-Boot commands, perform the following steps:
    1. Use PuTTY to log in to the server.
    2. Press and hold the UID button on the server for 6 seconds to restart the iBMC.
    3. When "Hit 'ctrl + b' to stop autoboot: 1" is displayed, press Ctrl + B.
    4. Enter the default U-Boot password.

      The default password of U-Boot is Huawei12#$ for the G560 and Admin@9000 for the G530 V5 and G560 V5.

      If "u-boot>" is displayed, you have successfully logged in to U-Boot.

    5. Run the following command to query the U-Boot version:

      printenv ver

    6. Restore datafs.

      • If the U-Boot version is 1.1.37 or earlier, run the following commands:

        fsload /usr/upgrade/datafs.jffs2

        datafs_cp

      • If the U-Boot version is later than 1.1.37, run the following command:

        datafs_reset

    7. Run the following command to restart the iBMC:

      reset

      The restart process takes about 3 minutes. After the iBMC restarts, the iBMC default settings are restored.

  • To restore iBMC default settings using the jumper, perform the following steps:
    1. Back up data.

      Back up data and network before restoring iBMC default settings.

    2. Remove the compute node from the chassis.
    3. Locate the jumper.

      The jumper number varies depending on the server model. Table 6-2 provides the jumper ID and silkscreen information. For details bout the location of the jumper, see "Mainboard Layout" in the user guide of the server you use.

      The jumper used to reset the iBMC is located on the mainboard of the G5500 compute node.

      Table 6-2 provides the silkscreen of the jumpers.

      Table 6-2  Jumper ID and silkscreen
      Product Model Jumper ID Silkscreen
      G560 J76 CLR PSW
      G530 V5 J76 CLR_BMC_PW
      G560 V5 J76 CLR_BMC_PW

    4. Use a jumper cap or a tool to short-circuit the jumper.
    5. Install the compute node in its original slot while the jumper is short-circuited, and restart the iBMC.

      The restart process takes about 3 minutes. After the iBMC restarts, the iBMC default settings are restored.

      After the compute node is installed, determine whether you need to manually start the OS based on the System State Upon Power Supply. For details about how to start the OS, see the user guide of the compute node you use.

      NOTE:

      Disconnect the jumper after the iBMC default settings are restored. Otherwise, the default settings are restored each time when the iBMC restarts.

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Updated: 2018-10-31

Document ID: EDOC1100031438

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