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\"      @(#)nfsd.8      8.4 (Berkeley) 3/29/95
\"
Dd March 17, 2016
Dt NFSD 8
Os
Sh NAME
Nm nfsd
Nd remote
Tn NFS
server
Sh SYNOPSIS
Nm
Op Fl 46drut
Op Fl n Ar num_threads
Sh DESCRIPTION
Nm
runs on a server machine to service
Tn NFS
requests from client machines.
At least one
Nm
must be running for a machine to operate as a server.
Pp
Unless otherwise specified, four servers for
Tn UDP
transport are started.
Pp
The following options are available:
Bl -tag -width Ds
It Fl d
Turn on debugging, don't fork and log to stderr.
It Fl r
Register the
Tn NFS
service with
Xr rpcbind 8
without creating any servers.
This option can be used along with the
Fl u
or
Fl t
options to re-register NFS if the portmap server is restarted.
It Fl n
Specifies how many server threads to create.
The default is 4.
A server should run enough threads to handle
the maximum level of concurrency from its clients.
It Fl 4
Only listen to IPv4 requests.
By default
Nm
listens to both IPv6 and IPv4 and tries to register for both.
It Fl 6
Only listen to IPv6 requests.
It Fl t
Serve only
Tn TCP NFS
clients.
By default
Nm
serves both
Tn TCP NFS
and
Tn UDP NFS
clients
It Fl u
Serve only
Tn UDP NFS
clients.
El
Pp
Nm
listens for service requests at the port indicated in the
Tn NFS
server specification; see
%T "Network File System Protocol Specification" ,
RFC 1094 and
%T "NFS: Network File System Version 3 Protocol Specification" .
Sh EXIT STATUS
Ex -std nfsd
Sh EXAMPLES
Dq Li "nfsd -n 6"
serves
Tn UDP
and
Tn TCP
transports using six threads.
Sh SEE ALSO
Xr nfsstat 1 ,
Xr nfssvc 2 ,
Xr mountd 8 ,
Xr rpcbind 8
Sh HISTORY
The
Nm
utility first appeared in
Bx 4.4 .

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