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X6800 Server Node iBMC (Earlier Than V250) User Guide 30

This document describes the underlying management software Intelligent Baseboard Management Controller (iBMC) of the servers.
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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).
Troubleshooting Remote Virtual Console Problems

Troubleshooting Remote Virtual Console Problems

Remote Virtual Console Cannot Be Started

Symptom
Symptom Possible Causes

The remote virtual console cannot be started.

The Java Runtime Environment (JRE) is not installed correctly or the installed version is incompatible with iBMC.

Solution
  1. Check whether the JRE is installed correctly.

    JRE versions supported by iBMC: JRE 1.7 and JRE 1.8.

    • If yes, go to 3.
    • If no, go to 2.

  2. Install a JRE version supported by iBMC.

    Different JRE versions have different compatibility with iBMC.

    • If the installed JRE version is JRE 1.7, go to 3.
    • If the installed JRE version is JRE 1.8, go to 3.

  3. Solve the JRE incompatibility with iBMC.

    You can solve the incompatibility by modifying the Java security configuration.

    1. Check the Java version of the client.

      On the Windows command line interface (CLI) or Linux terminal, enter java –version.

    2. Open the Java control panel.
      • In Windows, access the Java control panel through the Control Panel.
      • In Linux:
        1. Open the client.
        2. Access the Java installation directory, for example, /usr/java/jre1.7/bin.
        3. Run the Java control panel.
    3. Modify the Java security configuration.
      • If the Java version is JRE 1.7, perform the following:
        1. On the Java control panel, set the security level to Medium.
        2. Click OK and restart the web browser.
      • If the Java version is JRE 1.8, perform the following:
        1. On the Security tab page, click Edit Site List.
        2. Add the iBMC IP address and the port id (443 by default) to the list, just as https://192.168.2.10:443/.
        3. Save the settings and restart the browser.
        4. Log in to the remote virtual console again and ignore any security prompt.

Plug-In Not Supported by Google Chrome

Symptom
Symptom Possible Causes

When the user attempts to start the remote virtual console in Google Chrome, a message is displayed indicating that the plug-in is not supported.

Netscape Plugin Application Programming Interface (NPAPI) is not enabled or supported by Google Chrome.

NOTE:
Running the remote virtual console requires a Java plug-in that uses NPAPI. Before starting the remote virtual console in Google Chrome, ensure that NPAPI is enabled.
Solution
  • Enable NPAPI manually.

    For Google Chrome 42, 42, and 44, manually enable NPAPI.

    Enablement method:

    • Enter chrome://flags/#enable-npapi in the address box of Google Chrome and press Enter.

    • Restart Google Chrome.

  • Use other web browsers to start the remote virtual console.

    Google Chrome 45 and later versions no longer support NPAPI. You can use other web browsers to start the remote virtual console.

In Linux, the Remote Virtual Console Cannot Be Started Due to an Old Firefox Plug-In

Symptom
Symptom Possible Causes

When the user attempts to start the remote virtual console using Firefox in Linux, Firefox prompts the user to upgrade the plug-in.

The plug-in version is too old.

Solution
  1. Access the Firefox plug-in directory.

    For example, run the command cd /usr/lib/mozilla/plugins.

  2. Create a soft link to the libnpjp2.so file in the java installation directory.

    For example, run the command ln -s /usr/java/jre1.6.0_25/lib/libnpjp2.so.

  3. Restart Firefox.

Mouse and Keyboard Unavailable on the Remote Virtual Console

Symptom
Symptom Possible Causes

The mouse and keyboard do not work on the remote virtual console.

The LSISAS3108 RAID controller card is configured and Configuring The Persistent Keyboard And Mouse is disabled.

Solution
  1. Check whether the server is configured with the LSISAS3108 RAID controller card.

    You can check on the Component Info page.

    • If yes, go to 2.
    • If no, go to 4.

  2. On the Remote page, check whether Configuring The Persistent Keyboard And Mouse is enabled.

    • If yes, go to 4.
    • If no, go to 3.

  3. Enable Configuring The Persistent Keyboard And Mouse and restart the server. After the restart is complete, check whether the problem is solved.

    • If yes, no further action is required.
    • If no, go to 4.

  4. Contact Huawei technical support.

Java Web Start Icon Can Be Viewed But KVM Cannot Be Accessed

Symptom
Problem Description Possible Causes

Only the Java web start page is displayed when a user accesses the KVM. After the start page is close, the KVM is not displayed.

When the KVM is started using the Java web start mode, the java temporary file setting need to be enabled. However, this configuration item is not set on the client.
Solution
  1. Open the Java control panel on the client.
  2. Click Settings on the General tab page.
  3. In the Temporary Files Settings window, select Keep temporary files on my computer and click OK, as shown in Figure 3-20.

    Figure 3-20 Setting the historical file processing mode

  4. Save the settings and restart the browser.

Unauthorized User on KVM

Symptom
Problem Description Possible Causes
  1. The Java web start icon is displayed when a user accesses the KVM.
  2. The KVM is displayed long time after the icon disappears.
  3. After the KVM is displayed, the message "Unauthorized User" is displayed.
The authentication during the KVM startup needs to be performed when the client is connected to the Internet. If the client network is offline, the authentication may time out, which results in startup failure.
Solution

    Solution 1

    Connect the client used for accessing the KVM to the Internet.

    Solution 2:

    Set the Java parameters.

    1. Open the Java control panel on the client.
    2. On the Advanced tab page, select Do not check for Perform signed code certificate revocation checks on, as shown in Figure 3-21.

      Figure 3-21 Modifying Java parameters

    3. Save the settings and restart the browser.
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Updated: 2019-06-04

Document ID: EDOC1000066341

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