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