Help Center> MapReduce Service> User Guide> Alarm Reference (Applicable to MRS 3.x)> ALM-45476 Kudu Failed to Enter the Maintenance Mode
Updated on 2024-05-07 GMT+08:00
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ALM-45476 Kudu Failed to Enter the Maintenance Mode

Alarm Description

Kudu will enter the maintenance mode during disk replacement. This alarm is generated when Kudu fails to enter the maintenance mode.

This alarm is cleared when Kudu successfully enters the maintenance mode.

Alarm Attributes

Alarm ID

Alarm Severity

Auto Cleared

45476

Major

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.

Additional Information

Trigger Condition

Specifies the threshold for triggering the alarm.

Impact on the System

A slow or faulty disk cannot be replaced.

Possible Causes

  • The Kudu instance is abnormal, and the process cannot be stopped.
  • The permission on the etc configuration directory of Kudu is abnormal, and data cannot be written into the configuration file.

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.
  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