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FusionCloud 6.3.1.1 Troubleshooting Guide 02

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CPAS Fault

CPAS Fault

Symptom

When CPAS is faulty, the private network status of the site cannot be monitored. If this happens, the network communication status between sites cannot be monitored in real time. Therefore, the active/standby arbitration cannot be performed for each site.

Possible Causes

  • The file system on the service VM is corrupted.
  • The CPAS process is abnormal.

Fault Demarcation Methods

Figure 24-14 shows the fault demarcation methods.

Figure 24-14 Fault demarcation methods

Procedure

  1. Check whether you can log in to the VM where CPAS is deployed.

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

  2. Restore the VM. For details, see Cloud Service Management Plane Fault Diagnosis.
  3. Contact Technical Support to reinstall CPAS.

    No further action is required.

  4. Use PuTTY to log in to the CPAS service node.

    • Login address: management IP address of the CPAS node
    • Username: arbiter
    • Default password: tNsZg@123

  5. Run the following command to disable user logout upon system timeout:

    TMOUT=0

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

    sudo su - root

  7. Run the following command to check whether the ETCD service is running properly:

    systemctl status arbitration-etcd

    If the command output contains active (running), the ETCD service is running properly.
    • If ETCD is running properly, go to 10.
    • If ETCD is abnormal, go to 8.

  1. Run the following command to restart the ETCD service:

    systemctl restart arbitration-etcd

  2. Run the following command to check again whether the ETCD service is running properly:

    systemctl status arbitration-etcd

    • If ETCD is running properly, go to 10.
    • If ETCD is abnormal, contact technical support for assistance.

  3. Run the following command to check whether the Monitor service is running properly:

    systemctl status arbitration-monitor

    If the command output contains active (running), the Monitor service is running properly.

    • If Monitor is running properly, go to 13.
    • If Monitor is abnormal, go to 11.

  4. Run the following command to restart the Monitor service:

    systemctl restart arbitration-monitor

  5. Run the following command to check again whether the Monitor service is running properly:

    systemctl status arbitration-monitor

    • If Monitor is running properly, go to 13.
    • If Monitor is abnormal, contact technical support for assistance.

  6. Check whether CPAS is restored.

    • If yes, no further action is required.
    • If no, contact technical support for assistance.

  7. If multiple VMs are faulty, perform 1 to 13 for each faulty VM.
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Updated: 2019-06-10

Document ID: EDOC1100063248

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