NFS server messages "nfsd: peername failed (err 107)!", NFS clients freeze for a few minutes

Solution Unverified - Updated -

Issue

  • NFS clients keep freezing for a few minutes.
  • NFS server /var/log/messages contains
Sep 20 04:38:03 myserver kernel: nfsd: peername failed (err 107)!  
Sep 20 04:45:38 myserver kernel: nfsd: peername failed (err 107)!  

or

Sep 20 04:50:10 myserver kernel: xs_tcp_setup_socket: connect returned unhandled error -107
Sep 20 04:51:04 myclient kernel: nfs: server myserver not responding, still trying
Sep 20 04:51:04 myclient kernel: nfs: server myserver OK

Environment

  • Red Hat Enterprise Linux 5
  • Red Hat Enterprise Linux 6
  • NFS server

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