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Unable to monitor a cluster after restarting AIQUM due to DNS NXDOMAIN

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active-iq-unified-manager
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Applies to

  • Active IQ Unified Manager (AIQUM) 9.14 or later
  • ONTAP 9.14.1 or later
  • The cluster was originally added to AIQUM 9.14 or later while the cluster was running ONTAP 9.13.1 or earlier

Issue

When restarting AIQUM, EMS log in the cluster shows error:

[Cluster-01: mgwd: mhost.ca.connect.failure:error]: Cluster agent connection of the client: UnifiedManager_<AIQUM_UUID> is not healthy. Attempting to reconnect. Error: AMQP transport failed for connection "UnifiedManager_<AIQUM_UUID>". Reason: Error during websocket handshake: DNS NXDOMAIN.

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