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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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ALM-70104 Used Memory of a Host Exceeds the Total Host Memory

ALM-70104 Used Memory of a Host Exceeds the Total Host Memory

Description

This alarm is generated when the used memory of a host exceeds the total memory of the host.

Attribute

Alarm ID

Alarm Severity

Auto Clear

70104

Warning

Yes

Parameters

Name

Meaning

Fault Location Info

servicename: specifies the name of the service for which the alarm is generated.

Additional Info

  • memory_mb: specifies the total memory size of the cluster where the host for which the alarm is generated is located.
  • memory_mb_used: specifies the size of allocated memory in the cluster where the host for which the alarm is generated is located.
  • hostname: specifies the name of the host for which the alarm is generated.

Impact on the System

When FusionSphere OpenStack is interconnected with FusionCompute, VMs on the FusionCompute host consume a large number of memory resources for processing services, which deteriorates the VM performance. Alternatively, the stopped VMs on the FusionCompute host may fail to power on, which adversely affects user experience.

Possible Causes

  • Multiple VMs are created on the host when its memory resources are about to be exhausted.
  • The HA resource reservation function is enabled for the connected FusionCompute cluster.

Procedure

  1. Locate the FusionCompute cluster of the fc-nova-compute node for which the alarm is generated according to the alarm location information.
  2. To handle the alarm, use one of the following methods:

    • Migrate some VMs in the cluster of the fc-nova-compute node for which the alarm is generated to other fc-nova-compute nodes.

      For details, see "Migrating a VM" in the HUAWEI CLOUD Stack 6.5.0 O&M Guide.

    • Check whether the HA resource reservation function is enabled for the FusionCompute cluster for which the alarm is generated. If the function is enabled, use the following method to handle the issue:

  3. If any of the preceding operations fails, contact technical support for assistance.

Related Information

None

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Updated: 2019-08-30

Document ID: EDOC1100062365

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