• NAME
  
  rpc.nfsd - NFS server process
• SYNOPSIS
  
  /usr/sbin/rpc.nfsd [ options ] nproc
• DESCRIPTION
  
  The rpc.nfsd program implements the user level part of the NFS service. The main functionality is handled by the nfsd kernel module; the user space program merely starts the specified number of kernel threads. The rpc.mountd server provides an ancillary service needed to satisfy mount requests by NFS clients.
• OPTIONS
  

  -H or --host  hostname

  specify a particular hostname (or address) that NFS requests will be accepted on. By default, rpc.nfsd will accept NFS requests on all known network addresses. Note that lockd (which performs file locking services for NFS) may still accept request on all known network addresses.  This may change in future releases of the Linux Kernel.

  -p or --port  port

  specify a diferent port to listen on for NFS requests. By default, rpc.nfsd will listen on port 2049.

  -N or --no-nfs-version vers

  This option can be used to request that rpc.nfsd does not offer certain versions of NFS. The current version of rpc.nfsd can support both NFS version 2,3 and the newer version 4.

  -T or --no-tcp

  Disable rpc.nfsd from accepting TCP connections from clients.

  -U or --no-udp

  Disable rpc.nfsd from accepting UDP connections from clients.

  nproc

  specify the number of NFS server threads. By default, just one thread is started. However, for optimum performance several threads should be used. The actual figure depends on the number of and the work load created by the NFS clients, but a useful starting point is 8 threads. Effects of modifying that number can be checked using the nfsstat(8) program. Note that if the NFS server is already running, then the options for specifying host, port, and protocol will be ignored.  The number of processes given will be the only option considered, and the number of active nfsd processes will be increased or decreased to match this number. In particular rpc.nfsd 0 will stop all threads and thus close any open connections.
  

• SEE ALSO
  
  rpc.mountd(8) , exports(5) , exportfs(8) , rpc.rquotad(8) , nfsstat(8) .
• AUTHOR
  
  Olaf Kirch, Bill Hawes, H. J. Lu, G. Allan Morris III, and a host of others.

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