NFS through SSH tunneling hangs after 5-10 days

Solution Unverified - Updated -

Issue

  • NFS access via ssh tunnelling hangs after 5-10 days and requires a reboot to fix
  • Hang does not happen on all clients at once, only on individual clients
  • On few servers, may notice "NFS not responding errors" prior to the issue, but not always

Environment

  • Red Hat Enterprise Linux 6 NFS server
  • Red Hat Enterprise Linux 6 NFS client

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