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FusionServer Pro Rack Server iBMC (V260 to V278) User Guide 14

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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.

  • Only Huawei technical support personnel or personnel authorized by Huawei can perform this operation.
  • Default iBMC settings cannot be restored remotely.
  • All user settings, including user names, passwords, and IP addresses, will be restored to defaults. Perform this operation with caution.
  • Before using the jumper to restore the default iBMC settings, back up data and network settings and power off the server.

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

The following methods are available to restore default iBMC settings:

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

Product Model

U-Boot

Jumper

RH1288A V2

Supported

Supported

RH2288A V2

Supported

Supported

RH1288 V3

Supported

Supported

RH2288 V3

Supported

Supported

RH2288H V3

Supported

Supported

RH5885 V3

Supported

N/A

RH5885H V3

Supported

N/A

5288 V3

Supported

Supported

RH8100 V3

Supported

N/A

1288H V5

Supported

Supported

2288C V5

Supported

Supported

2288H V5

Supported

Supported

2488 V5

Supported

Supported

2488H V5

Supported

Supported

5288 V5

Supported

Supported

5885H V5

Supported

Supported

8100 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.

      For details, see 6.1 Logging In to a Server Over the Serial Port Using PuTTY.

    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 V3 servers and Admin@9000 for V5 servers.

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

      Product Model

      Jumper ID

      Silkscreen

      RH2288A V2

      J117

      CLR_BMC_PW

      RH1288A V2

      J117

      CLR_BMC_PW

      RH1288 V3

      J36

      CLR_BMC_PW

      RH2288 V3

      J36

      CLR_BMC_PW

      RH2288H V3

      J36

      CLR_BMC_PW

      5288 V3

      J36

      CLR_BMC_PW

      1288H V5

      J176

      BMC_RCV

      2288C V5

      J176

      BMC_RCV

      2288H V5

      J176

      BMC_RCV

      2488 V5

      J93

      CLEAR_BMC_PW

      2488H V5

      J93

      CLEAR_BMC_PW

      5288 V5

      J176

      CLR_BMC_PW

      5885H V5

      J93

      CLEAR_BMC_PW

      8100 V5

      J16

      CLEAR_BMC_PW

    3. Use a jumper cap or a tool to short-circuit the jumper.
    4. Press and hold the UID button for 6 seconds to restart the iBMC while keeping the jumper short-circuited.
      The restart process takes about 3 minutes. After the iBMC restarts, the iBMC default settings are restored.

      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: 2019-11-19

Document ID: EDOC1000177670

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