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Cluster not responding to SSH or System Manager due to DNS server outage

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Category:
cloud-volumes-ontap-cvo
Specialty:
cloud_provider_agnostic
Last Updated:

Applies to

  • Cloud Volumes ONTAP
  • ONTAP 9

Issue

  • When attempting to access a Cloud Volumes ONTAP cluster deployed in Microsoft Azure, the cluster management LIF (cluster_mgmt) is inaccessible via SSH or System Manager.
  • CIFS shares are unavailable to all users.
  • The affected SVM is configured with only one DNS server, which is not reachable due to internal maintenance, resulting in loss of network connectivity to management and CIFS LIFs.

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