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NFS server not responding during cluster switch update

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Category:
ontap-9
Specialty:
core
Last Updated:

Applies to

  • ONTAP 9
  • NFS
  • Cluster Network

Issue

During a cluster switch upgrade NFS shares became unresponsive with Linux server reporting the following errors:
 
2025-07-14T02:13:02.341815+02:00 myserver kernel: [30932169.532534][T28683] nfs: server dns.myserver.net not responding, still trying
2025-07-14T02:13:06.435760+02:00 myserver kernel: [30932173.628533][T64992] nfs: server dns.myserver.net not responding, timed out

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