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HUAWEI CLOUD Stack 6.5.0 Troubleshooting Guide 02

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Docker Troubleshooting

Docker Troubleshooting


  • Docker is suspended.
  • The node where Docker resides and the corresponding pod are abnormal.

Possible Causes

High-concurrent requests cause Docker suspension.

Troubleshooting Method

  1. Use PuTTY to log in to the manage_lb1_ip node.

    The default username is paas, and the default password is QAZ2wsx@123!.

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

    su - root

    Default password: QAZ2wsx@123!

  3. Run the following command to check whether the node is normal:

    kubectl get nodes --all-namespaces

    fst-manage paas-10-120-193-12 Ready 4h
    fst-manage paas-10-120-193-243 Ready 4h
    fst-manage paas-10-120-193-9 NotReady 4h
    fst-manage manage-cluster1-42074173-09j3n Ready 2h

    The preceding command output shows that paas-10-120-193-9 is abnormal.

  4. Check whether the abnormality is caused by Docker.

    1. Run the following command to obtain the IP address of the abnormal node:

      kubectl get nodes NODENAME -n NAMESPACE -o yaml

      NODENAME indicates the name of the abnormal node. NAMESPACE indicates the namespace of the abnormal node.

        externalID: paas-
        loginSecret: {}
        schedulerHints: {}
        - address:
          type: InternalIP
        - address: paas-
          type: Hostname
        - address:
          type: DataIP

      The preceding command output shows that the IP address is

    2. Log in to the abnormal node as user paas, switch to user root, and run the following command:
      sudo docker ps
      • If the output is displayed normally, Docker is not suspended.
      • If the output is not displayed for a long time, perform the subsequent step, because Docker is suspended.

  5. Run the following command to restart Docker:

    sudo service docker restart

  6. If the fault persists, contact technical support for assistance.
Updated: 2019-06-01

Document ID: EDOC1100062375

Views: 1650

Downloads: 12

Average rating:
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