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NFS access fails with Nblade.CallbackTimedOut after upgrading the ONTAP

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Applies to

  • ONTAP 9
  • NFSv3

Issue

After upgrading ONTAP, the NFS access fails with Nblade.CallbackTimedOut message
 
Example:
2/9/2023 23:51:59 cluster-01 ERROR Nblade.CallbackTimedOut: SM NOTIFY: Vserver 28, Vif 1042: PORTMAP program (Program number:100000 Program version:2) on client xx.xxx.xxx.xxx is not responding

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