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Why do EBS volume show as offline in the AWS EC2 console after a CVO HA upgrade?

Last Updated:

Applies to

  • Cloud Volumes ONTAP (CVO) HA pair
  • Cloud Manager
  • AWS (Amazon Web Services)
  • EC2 (Elastic Compute Cloud) console
  • EBS (Elastic Block Store)


  • AWS CVO HA-pair upgraded using Cloud Manager.
  • AWS EC2 console shows the EBS volume of the EC2 instances hosting AWS CVO as offline for short time after upgrade complete. 


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