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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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ALM-9408 Metadata Service Connection Failure

ALM-9408 Metadata Service Connection Failure


The connection between Service OM and the metadata service is checked. This alarm is generated when the connection is abnormal.


Alarm ID

Alarm Severity

Auto Clear







Fault Location Info

IP: specifies the fixed IP address of the VM whose metadata fails to be obtained.

Additional Info

Service: The value is fixed at OM.

MicroService: The value is fixed at System.

Fixed IP: specifies the fixed IP address of the VM whose metadata fails to be obtained.

Impact on the System

If Service OM fails to connect to the metadata service, the network synchronization and domain name synchronization functions are unavailable on Service OM.

Possible Causes

Routes to the metadata service are unavailable, leading to request timeout.


  1. Check whether the IP address in the alarm object is that of the External API network for Service OM.

    • If yes, go to 2.
    • If no, manually clear the alarm, and no further action is required.

  2. Use PuTTY to log in to Service OM using the management IP address of Service OM.

    Default username: galaxmanager; default password: IaaS@OS-CLOUD9!

  3. Run the following command and enter the password of the root user (IaaS@OS-CLOUD8!) to switch to the root user:

    su - root

  4. Run the following command to restart the eth2 NIC:

    ifdown eth2; ifup eth2

  5. Three minutes later, check whether the alarm is automatically cleared.

    • If yes, no further action is required.
    • If no, contact technical support for assistance.

Updated: 2019-08-30

Document ID: EDOC1100062365

Views: 48186

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