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AFF300 to AFF400 controller upgrade fails because of FC link flapping on storage ports

  1. Last updated
    May 9, 2025
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Category:
metrocluster
Specialty:
metrocluster
Last Updated:
5/9/2025, 12:02:16 PM

Applies to

  • ONTAP 9
  • AFF300 -> AFF400 controller upgrade
  • 2 node stretch MetroCluster

Issue

  • New controller:
    • In maintenance mode all ports slot 1 (disk access) go intermittently offline and online
    • FC link up/down events seen for the ports connecting to ATTO FibreBridges
    • Node may panic with error "no disk access" after some time

 

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