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NetApp Knowledgebase

NFS mount fails due to firewall maintenance

Views:
376
Visibility:
Public
Votes:
0
Category:
ontap-9
Specialty:
nfs
Last Updated:

Applies to

  • NFS
  • Clustered Data ONTAP
  • Firewall between NetApp and clients

Issue

  • After a firewall maintenance, between NetApp and client, NFS mount suddenly fails.
  • ONTAP reports:

"kernel: nfs: server <IP> not responding, still trying"

  • In a packet trace, ONTAP gets a TCP SYN packet from the client on an already established session.

 

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