Help Center> MapReduce Service> User Guide> Alarm Reference (Applicable to MRS 3.x)> ALM-45477 Failed to Restore Data After a Disk of Kudu Is Replaced
Updated on 2024-05-07 GMT+08:00
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ALM-45477 Failed to Restore Data After a Disk of Kudu Is Replaced

Alarm Description

This alarm is generated when Kudu fails to restore data by invoking the script in SetupTool after a disk is replaced.

This alarm is cleared when the data is successfully restored.

Alarm Attributes

Alarm ID

Alarm Severity

Auto Cleared

45477

Critical

Yes

Alarm Parameters

Type

Parameter

Description

Location Information

Source

Specifies the cluster for which the alarm was generated.

ServiceName

Specifies the service for which the alarm was generated.

RoleName

Specifies the role for which the alarm was generated.

HostName

Specifies the host for which the alarm was generated.

Impact on the System

Kudu fails to restore data, and historical data is unavailable.

Possible Causes

Kudu fails to restore the UUID or the data from the remote end.

Handling Procedure

Collect fault information.

  1. On FusionInsight Manager, choose O&M. In the navigation pane on the left, choose Log > Download.
  2. Expand the Service drop-down list, and select Kudu for the target cluster.
  3. Click the edit icon 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.

    Collect NodeAgent logs and check whether data is successfully restored after the disk replacement.

    The logs are saved in the following directory:

    /var/log/Bigdata/nodeagent/scriptlog/disk_manager_notify.log
    Figure 1 Collecting NodeAgent logs

  4. Contact O&M personnel and provide the collected logs.

Alarm Clearance

This alarm is automatically cleared after the fault is rectified.

Related Information

None