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HUAWEI CLOUD Stack 6.5.0 Troubleshooting Guide 02

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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).
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Message "System Is In Restricted Mode" Is Displayed When I Attempt to Log In To The Backup manager Or Backup Server

Symptom

The backup manager or backup server GUI displays a message indicating "system is in restricted mode" when I log in to eBackup GUI.

Possible Causes
Procedure
  1. Possible cause 1: The database is abnormal, or the database memory is insufficient.

    1. Use PuTTY to log in to the eBackup server (backup manager or backup server).

      Login address: The management IP address can be obtained from the address of the backup manager or backup server GUI.

      Default account: hcp; default password: PXU9@ctuNov17!

    2. Run the su root command and enter the password of account root to switch to user root.

      The default password of the root account is Cloud12#$.

    3. Run TMOUT=0 to prevent system timeout.
      NOTE:

      After you run this command, the system continues to run when no operation is performed, posing a risk. For security purposes, you are advised to run exit to exit the system after completing your operations.

    4. Run df -h /opt to check whether the remaining capacity of the storage where the database file resides is insufficient. If the capacity usage is higher than 96%, the remaining capacity is insufficient.
      • If yes, run rm Filename or rm -rf Folder name to delete unneeded files or folders other than eBackup software.
      • If no, go to 1.e.
    5. Run free -m to check whether the available memory capacity is insufficient. If the available memory capacity is smaller than 1 GB, the capacity is insufficient.
      • If yes, terminate unneeded processes to release capacities.
      • If no, go to 1.f.
    6. Log in to eBackup GUI again.
    7. If the problem persists, see 2.

  2. Possible cause 2: The sshd_config configuration file is incorrectly configured.

    During the installation of eBackup as well as the configuration of backup servers or backup proxies, no comment tag is added to Match User sftpuser in the sshd_config configuration file. Therefore, a message indicating "System Is in Restricted Mode" is displayed when you log in to the backup server GUI.

    1. Use PuTTY to log in to the backup server.

      Login address: The management IP address can be obtained from the address of backup server GUI.

      Default account: hcp; default password: PXU9@ctuNov17!

    2. Run the su root command and enter the password of user root to switch to user root.

      The default password of the root account is Cloud12#$.

    3. Run the TMOUT=0 command to prevent PuTTY from exiting due to timeout.
      NOTE:

      After the preceding command is executed, the system remains running even when no operation is performed, which results in security risks. For security purposes, run the exit command to exit after you finish performing operations.

    4. Run the following command to stop the eBackup service.

      service hcp stop

    5. Enable the rpcbind and nfs services.
      1. Run the vi /etc/ssh/sshd_config command to check whether the following SFTP configurations exist at the end of the file.
        Match User sftpuser
        ChrootDirectory /home/sftp
        ForceCommand inernal-sftp
        • If the SFTP configurations exist at the end of the file, comment out the configurations, and save and exit.
        • If the SFTP configurations do not exist at the end of the file, contact technical support engineers.
      2. Run the following command to restart the rpcbind and nfs services.

        service rpcbind restart

        service nfs restart

      3. Run the following command to enable automatic startup for the rpcbind and nfs services.

        chkconfig rpcbind on

        chkconfig nfs on

    6. Run the cd Directory where the backupsoftware installation package resides command to go to the directory.
    7. Run the following command to initialize the configuration of eBackup again.

      sh ebackup_utilities.sh eBackup_Config.ini

    8. Move the three lines with the comment tags in 2.e.i to the end of the configuration file, delete the comment tags (#), save the file, and exit.
    9. Repeat the preceding steps on backup proxies.
    10. Log in to the eBackup GUI again.
    11. If the problem persists, contact technical support.

The Login Page Is Not Displayed When a User Wants to Log In to the eBackup Page Using a Browser

Symptom

After a user input https://xxx.xxx.xxx.xxx:port in the address box of a browser, the login page is not displayed.

xxx.xxx.xxx.xxx indicates the backup management plane IP address of the backup manager or backup server and port indicates a port number, which is 8088 by default. You can also enter the backup management plane IP address of the backup manager or backup server directly in the address bar, and press Enter.

Possible Causes

The eBackup system serves as servers that support the TLS 1.1 and TLS 1.2 protocols. However, TLS 1.1 or TLS 1.2 may not be configured on the browser.

Procedure
  1. Perform operations based on the browser type.

    • Internet Explorer (IE)

      Internet Explorer 11 is used as an example.

      1. On the menu bar of Internet Explorer, choose Tools > Internet Options (If the menu bar is unavailable, press Alt to display it.).
      2. In the Internet Options dialog box, click the Advanced tab.
      3. In the Security check box, select Enable TLS 1.1 and Enable TLS 1.2.
      4. Click OK.
    • Mozilla Firefox (Firefox)

      Mozilla Firefox 27 is used as an example.

      1. In the address box of Firefox, enter about:config.
      2. In the search bar, enter security.tls.version for searching.
      3. Set the value of security.tls.version.max to 3.
    • Google Chrome (Chrome)

      Google Chrome 60 is used as an example.

      1. Copy the shortcut icon of Chrome.
      2. Right-click the new shortcut icon and choose Properties. The Properties dialog box is displayed.
      3. In Targets, enter a space and --ssl-version-max=tls1.2.
      4. Click OK.

  2. Re-log in to the eBackup.
  3. If the problem persists, contact technical support engineers.
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Updated: 2019-06-01

Document ID: EDOC1100062375

Views: 1240

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