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ALM-25500 KrbServer Service Unavailable

Updated on 2022-08-12 GMT+08:00

Description

The system checks the KrbServer service status every 30 seconds. This alarm is generated when the system detects that the KrbServer service is abnormal.

This alarm is cleared when the system detects that the KrbServer service is normal.

Attribute

Alarm ID

Alarm Severity

Auto Clear

25500

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

When this alarm is generated, no operation can be performed for the KrbServer component in the cluster. The authentication of KrbServer in other components will be affected. The running status of components that depend on KrbServer in the cluster is Bad.

Possible Causes

  • The node where the KrbServer service locates is faulty.
  • The OLdap service is abnormal.

Procedure

Check whether the node where the KrbServer service locates is faulty.

  1. On the FusionInsight Manager home page, choose Cluster > Name of the desired cluster > Services > KrbServer > Instance to go to the KrbServer instance page to obtain the host name of the node where the KrbServer service locates.
  2. On the Alarm page of the FusionInsight Manager system, check whether any alarm of Node Fault exists.

    • If yes, go to 3.
    • If no, go to 6.

  3. Check whether the host name in the alarm is consistent with the 1 host name.

    • If yes, go to 4.
    • If no, go to 6.

  4. Handle the alarm according to "ALM-12006 Node Fault".
  5. Check whether KrbServer Service Unavailable is cleared in the alarm list.

    • If yes, no further action is required.
    • If no, go to 6.

Check whether the OLdap service is normal.

  1. On the Alarm page of the FusionInsight Manager system, check whether any alarm of OLdap Resource Abnormal exists.

    • If yes, go to 7.
    • If no, go to 9.

  2. Handle the alarm according to "ALM-12004 OLdap Resource Abnormal".
  3. Check whether KrbServer Service Unavailable is cleared in the alarm list.

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

Collect fault information.

  1. On the FusionInsight Manager, choose O&M > Log > Download.
  2. Select KrbServer in the required cluster from the Service.
  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 logs.

Alarm Clearing

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

Related Information

None

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