Help Center > > User Guide> FusionInsight Manager Operation Guide (Applicable to 3.x)> Alarm Reference (Applicable to MRS 3.x)> ALM-29100 Kudu Service Unavailable

ALM-29100 Kudu Service Unavailable

Updated at: Mar 25, 2021 GMT+08:00

Description

The system checks the Kudu service status every 60 seconds. This alarm is generated when the system detects that all Kudu instances are abnormal and considers that the Kudu service is unavailable.

This alarm is cleared when at least one Kudu instance becomes normal and the system considers that the Kudu instance service is restored.

Attribute

Alarm ID

Alarm Severity

Automatically Cleared

29100

Critical

Yes

Parameters

Name

Meaning

Source

Specifies the cluster 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.

Trigger Condition

Specifies the threshold for triggering the alarm.

Impact on the System

Users cannot use the Kudu service.

Possible Causes

Some Kudu instances are abnormal.

Procedure

Handle the Kudu instance exceptions.

  1. On FusionInsight Manager, choose O&M > Alarm > Alarms. On the displayed page, locate the alarm ALM-29100 Kudu Service Unavailable.
  2. In the Location Information column, record the host name and role name.
  3. Choose Cluster > Services > Kudu > Instance. Click the role name corresponding to the host name in 2 to restore the instance. Then, check whether the alarm is cleared.

    • If yes, go to 4.
    • If no, go to 5.

  4. Choose O&M > Alarm > Alarms and check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 5.

Collect the fault information.

  1. On FusionInsight Manager, choose O&M > Log > Download.
  2. In the Service area, select the following nodes of the desired cluster.

    • Kudu

  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 O&M personnel and provide the collected logs.

Alarm Clearing

After the fault that triggers the alarm is rectified, the alarm is automatically cleared.

Related Information

None

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