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HUAWEI CLOUD Stack 6.5.0 Troubleshooting Guide 02

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Cloud Platform Troubleshooting

Cloud Platform Troubleshooting

This section describes how to identify cloud service provisioning failures and cloud service instance operation failures by collecting logs, and viewing operation logs and alarms.

Symptom

  • Cloud service provisioning fails. For example, an ECS, an EVS disk, or a VPN fails to be created.
  • Cloud service instance operation fails. For example, an EVS disk or a vNIC fails to be mounted.

Possible Cause

  • Insufficient computing, storage, or network resources in the resource pool
  • Incorrect configurations of ECS or EVS disk

Troubleshooting Process

Prerequisites

ManageOne has been interconnected with the resource pool.

Procedure

  1. Log in to ManageOne Maintenance Portal using a browser.

    URL: https://Address for accessing the homepage of ManageOne Maintenance Portal:31943, for example, https://oc.type.com:31943

    Default account: admin; default password: Huawei12#$

  2. Click on the main menu.
  3. Click Cloud Platform Troubleshooting under the assurance area.

    TheDiagnose page is displayed.

Viewing operation logs

  1. In the navigation pane, click Operation Log Viewing tab to view operation logs. For details, see section "Tenant Operation Logs" in HUAWEI CLOUD Stack 6.5.0 O&M Guide.
  2. Enter the Operation ID to query the operation logs of the failed task. For details about how to obtain operation IDs, see Obtaining Operation Log IDs.

    If the query result is empty, contact technical support for assistance.

  3. Locate the row that contains the fault and click to view the log details.
  4. Check whether the fault is rectified.

    • If yes, no further action is required.
    • If no, go to 8.

  5. Click the call chain link on the right of the row that contains the log to access the Topo page. On this page, you can view component calling relationships and identify abnormal components to locate faults, as shown in Table 3-1.

    Figure 3-1 Topology information
    Table 3-1 Topology information

    Parameter

    Description

    Related Operation

    Success

    A green aperture node indicates a normal node whose components have no error.

    Click a red aperture node to display the error information of the corresponding component. Click a green aperture node to display the IP address of the corresponding component.

    Error

    A red aperture node indicates an abnormal node whose components have errors.

    First Service

    A node in the gray background indicates the first service, that is, the first component called.

  6. Click a red aperture node to display the Error Information of the corresponding component.
  7. Click any exception data record to go to the Trace Details page, as shown in Table 3-2.

    Table 3-2 Trace details

    UI Label

    Description

    ID

    Indicates the trace ID, which is the unique identifier of the trace information generated during a service call.

    URL

    Specifies the URL of the service dotting entrance.

    Method

    Specifies the execution method.

    Response Code

    Specifies the HTTP response code returned from the service entrance call.

    Duration

    Specifies the time that the call requires.

    Generation Time

    Specifies the start time of service call.

    Service Name

    Specifies the service name.

    Status

    In the Status column, indicates that the logs are normal, and indicates that the logs are abnormal.

    Operation/URL

    Specifies the operation method and the URL of the service dotting entrance.

    Time Axis

    Specifies the response duration during service execution.

  8. Click the specified Operation/URL to go to the Details dialog box, as shown in Figure 3-2.

    Figure 3-2 Details

  9. Click the Exception Analysis tab to view and analyze the details about the call and call exceptions, as shown in Figure 3-3.

    Request ID and Job ID are IDs of the associated service logs.
    • Request ID indicates the associated logs of FusionSphere OpenStack components.
    • Job ID indicates the associated logs of cloud services.
      Figure 3-3 Exception analysis

  10. If the current log information is insufficient for fault locating, perform 14 through 15 to download logs and analyze the fault.
  11. On the Trace Details page, click the Log Collection tab to go to the log collection page.

  12. Click the tab to deliver the log collection task. When the task status reaches 100%, click Log Download to download the log.

  13. Analyze and rectify the fault based on the downloaded logs. If the cause cannot be identified, send the downloaded logs to R&D engineers for fault locating and analysis.
  14. Check whether the fault is rectified.

    • If yes, no further action is required.
    • If no, go to 18.

Checking the alarm information

  1. On Cloud Platform Troubleshooting page, click Alarm Handling to go to the Alarm Handling page.
  2. Check whether any uncleared alarm exists. If yes, clear the alarm according to the alarm online help.
  3. Check whether the fault is rectified.

    • If yes, no further action is required.
    • If no, contact technical support for assistance and provide the trace logs collected in 16. Go to 21.

  4. Technical support personnel analyze the provided trace logs and formulate troubleshooting solutions.

    Check whether the fault is rectified according to the solution provided by the technical personnel.
    • If yes, no further action is required.
    • If no, go to 22.

Collecting log information

  1. On the Cloud Platform Troubleshooting page, click Log Collection. On the displayed Log Collection page, collect logs.

    On the displayed Log Collection page, collect logs according to the log collection plan offered by the technical support .

    NOTE:

  2. Check whether the fault is rectified.

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

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Updated: 2019-06-01

Document ID: EDOC1100062375

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