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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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ALM-6037 VM Virtual Memory/Swap Partition Usage Exceeding the Thresholds

ALM-6037 VM Virtual Memory/Swap Partition Usage Exceeding the Thresholds

Description

FusionSphere OpenStack periodically (5 minutes for a KVM VM, 4 minutes for a Xen VM) checks the virtual memory/Swap partition usage of the VM. This alarm is generated when the virtual memory/Swap partition usage is greater than or equal to the specified alarm threshold. If the VM runs Windows, the monitoring data is the virtual memory usage of the VM. If the VM runs Linux, the monitoring data is the Swap partition usage of the VM.

Attribute

Alarm ID

Alarm Severity

Auto Clear

6037

Major

Yes

Parameters

Name

Meaning

Fault Location Info

instance_id: specifies the ID of the VM for which the alarm is generated.

Additional Info

  • instance_name: specifies the name of the VM for which the alarm is generated.
  • used: specifies the virtual memory/Swap partition usage of the VM.

Impact on the System

Services deployed on Service OM may run slowly.

Possible Causes

The VM virtual memory/Swap partition usage is too high.

Procedure

  1. Log in to Service OM and choose Service OM > Centralized O&M > Alarm > Alarm Settings. On the Alarm Thresholds page, query the VM alarm threshold setting based on alarm information.
  2. Use PuTTY to log in to the first FusionSphere OpenStack node through the IP address of the External OM plane.

    The default user name is fsp. The default password is Huawei@CLOUD8.

    The system supports both password and public-private key pair for identity authentication. If the public-private key pair is used for login authentication, see detailed operations in Using PuTTY to Log In to a Node in Key Pair Authentication Mode.

    NOTE:
    To obtain the IP address of the External OM plane, search for the required parameter on the Tool-generated IP Parameters sheet of the xxx_export_all.xlsm file exported from HUAWEI CLOUD Stack Deploy during software installation. The parameter names in different scenarios are as follows:
    • Region Type I scenario:

      Cascading system: Cascading-ExternalOM-Reverse-Proxy

      Cascaded system: Cascaded-ExternalOM-Reverse-Proxy

    • Region Type II and Region Type III scenarios: ExternalOM-Reverse-Proxy

  3. Run the following command and enter the password of user root to switch to user root:

    su - root

    The default password of user root is Huawei@CLOUD8!.

  4. Run the following command to disable user logout upon system timeout:

    TMOUT=0

  5. Import environment variables. For details, see Importing Environment Variables.
  6. Run the following command to query the virtual memory/Swap partition usages of the VM in the latest 10 times:

    ceilometer sample-list -m memory_swap_util -l 10 -q resource=VMID

    VMID indicates the VM ID.

    Information similar to the following is displayed.

  7. Check whether the threshold of the virtual memory/Swap partition usage is too low

    • If yes, go to 8.
    • If no, go to 9.

  8. On the VM Alarm Thresholds page, adjust the threshold of the VM, configure the virtual memory/Swap partition threshold offset which needs to be greater than the current monitoring value, and check whether the alarm is cleared after 10 minutes.

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

  9. Check whether VM specifications meet the requirement.

    • If yes, go to 11.
    • If no, go to 10.

  10. Log in to Service OM and choose Computing > ECS > Compute Instances. On the Compute Instances page, click the target VM name to switch to the VM details page. Choose Hardware > Flavor and modify the VM specifications. After 10 minutes, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 11.

  11. Contact technical support for assistance.

Related Information

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Updated: 2019-08-30

Document ID: EDOC1100062365

Views: 36006

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