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CIFS or NFS become hung with not responding errors

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Category:
ontap-9
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nas
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Applies to

  • ONTAP 9
  • NFS
  • CIFS
  • Firewall in between client and ONTAP

Issue

  • NFS server goes into hung state intermittently with error "nfs_server not responding"

Feb 04 01:43:24 nfs_client kernel: nfs: server nfs_server not responding, timed out
Feb 04 01:43:24 nfs_client kernel: nfs: server nfs_server not responding, timed out

  • NFS and/or CIFS clients experience delays, hangs, or are unable to connect to the share or export.

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