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Node Join Failure During ONTAP Cluster Expansion

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Applies to

  • NetApp ONTAP 9.16.1P4 (Cluster-Mode)
  • AFF-A400 systems
  • Cluster expansion from 4 nodes to 6 nodes
  • System Manager and CLI node join procedures

Issue

During a planned cluster expansion from 4 to 6 nodes, attempts to add new nodes using System Manager failed with the following error:

The partner node details weren't found for the node with the following serial number: 952123456789.If all the nodes weren't found, then check the node connections, reload the cluster setup wizard, and then try to set up the cluster again.

Additional symptoms observed:

  • New nodes were not automatically discovering existing cluster interfaces.
  • Cluster interconnect ports were not being detected correctly.

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