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HUAWEI CLOUD Stack 6.5.0 Alarm and Event Reference 04

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ALM-70127 Usage of NVMe SSDs Exceeds the Threshold

ALM-70127 Usage of NVMe SSDs Exceeds the Threshold


FusionSphere OpenStack periodically (every 5 minutes by default) checks the usage of NVMe SSDs in a host group. This alarm is generated when the usage of NVMe SSDs reaches 85% in the host group.

This alarm is cleared when the usage of NVMe SSDs is reduced to 70%.


Alarm ID

Alarm Severity

Auto Clear







Fault Location Info

  • aggregate_id: specifies the ID of the host group to which the NVMe SSD belongs.
  • SSD_type: specifies the type of the NVMe SSD for which the alarm is generated.

Additional Info

  • Service: specifies the service for which the alarm is generated.
  • MicroService: specifies the microservice for which the alarm is generated.
  • total: specifies the total capacity of NVMe SSDs.
  • used: specifies the used capacity of NVMe SSDs.
  • threshold: specifies the capacity threshold of NVMe SSDs.

Impact on the System

VMs with NVMe SSDs installed may fail to create due to insufficient resources of NVMe SSDs.

Possible Causes

The usage of NVMe SSDs in the host group is too high.


  1. Add NVMe SSDs of the same type as the original ones to the servers, expand the capacity of the NVMe SSDs, or release the excessive VMs that use NVMe SSDs to release the disk resources.
  2. After you release the disk resources or expand the disk capacity and the usage of NVMe SSDs is lower than 70%, check whether the alarm is cleared.

    • If yes, no further action is required.
    • If no, go to 3.

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

Related Information


Updated: 2019-08-30

Document ID: EDOC1100062365

Views: 34771

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