Help Center/ MapReduce Service/ User Guide/ MRS Cluster O&M/ MRS Cluster Alarm Handling Reference/ ALM-12035 Unknown Data Status After Recovery Task Failure
Updated on 2024-09-23 GMT+08:00
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ALM-12035 Unknown Data Status After Recovery Task Failure

Description

After the recovery task fails, the system automatically rolls back every 60 minutes. If the rollback fails, data may be lost. If this occurs, an alarm is reported. This alarm is cleared when the next recovery task execution is successful.

Attribute

Alarm ID

Alarm Severity

Auto Clear

12035

Critical

Yes

Parameters

Name

Meaning

Source

Specifies the cluster or system for which the alarm is generated.

ServiceName

Specifies the service for which the alarm is generated.

RoleName

Specifies the role for which the alarm is generated.

HostName

Specifies the host for which the alarm is generated.

TaskName

Specifies the task.

Impact on the System

After the recovery task fails, the system automatically rolls back. If the rollback fails, data may be lost or the data status may be unknown, which may affect services.

Possible Causes

The alarm cause depends on the task details. Handle the alarm according to the logs and alarm details.

Procedure

Collect fault information.

  1. In the FusionInsight Manager, choose Cluster > Name of the desired cluster > Services, and check whether the running status of the component meets the requirements. (The OMS and DBService must be in the normal state, and other components must be stopped.)

    • If yes, go to 9.
    • If no, go to 2.

  2. Restore the component status as required and start the recovery task again.
  3. Log in to the FusionInsight Manager portal and click O&M > Alarm > Alarms.
  4. In the alarm list, click in the row where the alarm is located to obtain TaskName from Location.
  5. Choose O&M > Backup and Restoration > Restoration Management.
  6. Find the restoration task by Task Name and view the task details.
  7. Perform the recovery task again and check whether the recovery task execution is successful.

    • If yes, go to 8.
    • If no, go to 9.

  8. After 2 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 9.

Collect fault information.

  1. On the FusionInsight Manager portal, choose O&M > Log > Download.
  2. Select Controller from the Service and click OK.
  3. Click in the upper right corner, and set Start Date and End Date for log collection to 10 minutes ahead of and after the alarm generation time, respectively. Then, click Download.
  4. Contact the O&M personnel and send the collected log information.

Alarm Clearing

After the fault is rectified, the system automatically clears this alarm.

Related Information

None