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doc-exports/docs/mrs/umn/ALM-24000.html
Yang, Tong 2195db241c MRS UMN 20231220 version update 
Reviewed-by: Pruthi, Vineet <vineet.pruthi@t-systems.com>
Reviewed-by: Rechenburg, Matthias <matthias.rechenburg@t-systems.com>
Co-authored-by: Yang, Tong <yangtong2@huawei.com>
Co-committed-by: Yang, Tong <yangtong2@huawei.com>
2024-05-16 09:40:21 +00:00

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ALM-24000 Flume Service Unavailable

Description

The alarm module checks the Flume service status every 180 seconds. This alarm is generated if the Flume service is abnormal.

This alarm is automatically cleared after the Flume service recovers.

Attribute

Alarm ID

Alarm Severity

Auto Clear

24000

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.

HostName

Specifies the host for which the alarm is generated.

Impact on the System

Flume cannot work and data transmission is interrupted.

Possible Causes

All Flume instances are faulty.

Procedure

  1. Log in to a Flume node as user omm and run the ps -ef|grep "flume.role=server" command to check whether the Flume process exists on the node.

    • If yes, go to 3.
    • If no, restart the faulty Flume node or Flume service and go to 2.

  2. In the alarm list, check whether alarm "Flume Service Unavailable" is cleared.

    • If yes, no further action is required.
    • If no, go to 3.

Collect the fault information.

  1. On MRS Manager, choose O&M. In the navigation pane on the left, choose Log > Download.
  2. Expand the Service drop-down list, and select Flume for the target cluster.
  3. Click in the upper right corner, and set Start Date and End Date for log collection to 1 hour ahead of and after the alarm generation time, respectively. Then, click Download.
  4. Contact O&M personnel and provide the collected logs.

Alarm Clearing

This alarm is automatically cleared after the fault is rectified.

Related Information

None