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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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ALM-37007 DataNode Process Is Abnormal

ALM-37007 DataNode Process Is Abnormal

Description

This alarm is generated if:
  • The postgresql.conf configuration file does not exist in the DataNode instance data directory, or a parameter in the file is incorrectly configured.
  • The DataNode instance thread cannot monitor IP addresses or be bound with monitoring ports.
  • The DataNode instance has no read or write permission on its data directory.

Attribute

Alarm ID

Alarm Severity

Auto Clear

37007

Major

Yes

Parameters

Name

Meaning

ServiceName

Identifies the service for which the alarm is generated.

RoleName

Identifies the role for which the alarm is generated.

HostName

Identifies the host for which the alarm is generated.

Instance

Identifies the instance for which the alarm is generated.

Impact on the System

  • If the active DataNode instance fails to be started, the system reports the failure. After 120s, the cluster switches the standby DataNode instance to the active one, maintaining system availability.
  • If the standby DataNode instance fails to be started, the system reports the failure and remains available.

Possible Causes

  • The postgresql.conf configuration file does not exist in the DataNode instance data directory, or a parameter in the file is incorrectly configured.
  • The DataNode instance thread cannot monitor IP addresses or be bound with monitoring ports.
  • The DataNode instance has no read or write permission on its data directory.

Procedure

Identify the alarm cause and collect fault information.

  1. Log in to the FusionInsight Manager.

    1. Log in to the ManageOne OM plane using a browser, then choose Alarms.
      • Login address: https://URL for the homepage of the ManageOne OM plane:31943. Example: https://oc.type.com:31943.
      • Default username: admin, default password: Huawei12#$.
    2. In the alarm list, locate and click the target alarm name in the Name column. The Alarm Details and Handling Recommendations dialog box is displayed.
    3. Locate the value in the IP Address/URL/Domain Name column, which is the float IP address of the FusionInsight Manager.
    4. Log in to the FusionInsight Manager using a browser.
      • Login address: https://float IP address of the FusionInsight Manager:28443/web. Example: https://10.10.192.100:28443/web.
      • Default username: admin, default password: obtain it from the system administrator.

  2. On FusionInsight Manager, choose System > Log Download.
  3. Select MPPDB from the Services drop-down list box and click OK.
  4. Set Start Time for log collection to 1 hour ahead of the alarm generation time and End Time to 1 hour after the alarm generation time, and click Download.
  5. Contact Technical Support 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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Updated: 2019-08-30

Document ID: EDOC1100062365

Views: 37611

Downloads: 31

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