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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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1060045 Failed to Create an EVS Disk Snapshot

1060045 Failed to Create an EVS Disk Snapshot

Description

Failed to create an EVS disk snapshot.

Attribute

ID

Alarm Severity

Auto Clear

1060045

Minor

No

Parameters

Parameter

Description

ID

Indicates the event ID.

Object Type

Indicates the event type.

Generated At

Indicates the last time the event was generated.

Fault Location Info

TenantID

Indicates the ID of the tenant who is performing an operation when the event is generated.

VolumeID

Indicates the ID of the EVS disk for which the event is generated.

JobID

Indicates the ID of the task for which the event is generated.

Additional Info

Service

Indicates the service name.

MicroService

Indicates the microservice name.

Operation

Indicates the operation name.

ErrorPhase

Indicates the error phase.

ErrorMessage

Indicates the error message.

Impact on the System

None

Possible Causes

  • The connection to FusionSphere OpenStack Cinder is abnormal.
  • FusionSphere OpenStack Cinder failed to create the snapshot.
  • The status of the created snapshot is error.
  • An exception, such as a connection error, occurs when the API is called to query the snapshot status.

Procedure

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

    • The login address is https://Address for accessing ManageOne Maintenance Portal:31943, for example, https://oc.type.com:31943.
    • Default username: admin; default password: Huawei12#$

  2. In the navigation tree, choose Alarms > Event Logs. Click Filter to filter the event based on the event name.
  3. Query the following event information:

    • Fault Location Info (including VolumeID, TenantID, and JobID)
    • Additional Info

  4. If a joint locating with other components is required and the alarm information does not provide information for locating faults occurred on other components, obtain the location information from the log. If no, skip this step.

    1. Use PuTTY to log in to the CPT-SRV01 node using the IP address corresponding to the CPT-SRV01 field (searching in the xxx_export_all_EN.xlsm file) and log in to the CPT-SRV02 node using the IP address corresponding to the CPT-SRV02 field (searching in the xxx_export_all_EN.xlsm file).

      Default account: apicom, default password: Huawei12#$

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

      The default password of user root is Cloud12#$.

      sudo su root

    3. Run the following command to switch to the directory containing EVS disk logs:

      cd /var/log/apicom/taskmgr/dbs

    4. Run the following command to query all logs relating to the task based on JobID:

      grep -n "jobId" * | less

    5. If the obtained log information is too much for viewing, use query composition to query precise information.
      • An example is provided to query the metadata update:

        grep -n "jobId" * | grep "update volume\[disk ID\] metadata, new metadata is" | less

      • An example is provided to query the log information of one specific minute:

        grep -n "jobId" * | grep "2018-04-10 12:07" | less

  5. Query Additional Info. If Operation is createSnapshot, it indicates that the EVS disk snapshot fails to be created. Determine the phase when the error occurs based on ErrorPhase.

    If ErrorPhase is Failed to Create a Snapshot, check whether the error information contains the following information:

    • If create snapshot: No Valid host was found. No weighed hosts available is displayed, the cinder cannot find proper backend storage when scheduling backend storage. Perform the following operations to locate the fault:
      • On the Service OM page, check whether the backend storage in volume_type has sufficient virtual and physical capacity. If the backend storage capacity is insufficient, expand the storage pool or add a new storage pool by following the instructions in Capacity Expansion for Service Storage (SAN and FusionStorage Block) in HUAWEI CLOUD Stack 6.5.0 Capacity Expansion Guide.
    • If create snapshot: Bad or unexpected response from the storage volume backend API is displayed, the cinder-volume fails to create a snapshot. Check whether the error information contains the following information:
      • If The license has expired. or The snapshot license file is unavailable. is displayed, the device responds that the license has expired or is invalid when the cinder driver connects to the device. Log in to the device to ensure that the license is valid and try again.

    If the preceding information is not displayed or the failure cause cannot be identified, go to 6.

  6. Query Additional Info and determine the cause accordingly.

    • If Additional Info contains snapshot status is error, it indicates that the created snapshot is abnormal. Refer to Troubleshooting Guide for Typical Cinder Problems and provide the disk ID and occurrence time to the FusionSphere OpenStack Cinder O&M personnel to locate and rectify the fault.
    • If Additional Info contains ClientException or ConnectException, it indicates that the network is abnormal or an error message is returned when the snapshot is created. Refer to Troubleshooting Guide for Typical Cinder Problems and provide the snapshot ID and occurrence time to the FusionSphere OpenStack Cinder O&M personnel to locate and rectify the fault.

  7. After the fault is rectified, ask the user to create a snapshot again.

Related Information

None

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Updated: 2019-08-30

Document ID: EDOC1100062365

Views: 45789

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