127 lines
3.3 KiB
Groff
127 lines
3.3 KiB
Groff
.\" $NetBSD: nfsd.8,v 1.24 2016/03/17 15:25:46 christos Exp $
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.\"
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.\" Copyright (c) 1989, 1991, 1993
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.\" The Regents of the University of California. All rights reserved.
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.\"
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.\" Redistribution and use in source and binary forms, with or without
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.\" modification, are permitted provided that the following conditions
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.\" are met:
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.\" 1. Redistributions of source code must retain the above copyright
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.\" notice, this list of conditions and the following disclaimer.
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.\" 2. Redistributions in binary form must reproduce the above copyright
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.\" notice, this list of conditions and the following disclaimer in the
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.\" documentation and/or other materials provided with the distribution.
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.\" 3. Neither the name of the University nor the names of its contributors
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.\" may be used to endorse or promote products derived from this software
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.\" without specific prior written permission.
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.\"
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.\" THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
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.\" ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
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.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
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.\" ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
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.\" FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
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.\" DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
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.\" OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
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.\" LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
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.\" OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
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.\" SUCH DAMAGE.
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.\"
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.\" @(#)nfsd.8 8.4 (Berkeley) 3/29/95
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.\"
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.Dd March 17, 2016
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.Dt NFSD 8
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.Os
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.Sh NAME
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.Nm nfsd
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.Nd remote
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.Tn NFS
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server
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.Sh SYNOPSIS
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.Nm
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.Op Fl 46drut
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.Op Fl n Ar num_threads
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.Sh DESCRIPTION
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.Nm
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runs on a server machine to service
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.Tn NFS
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requests from client machines.
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At least one
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.Nm
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must be running for a machine to operate as a server.
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.Pp
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Unless otherwise specified, four servers for
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.Tn UDP
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transport are started.
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.Pp
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The following options are available:
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.Bl -tag -width Ds
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.It Fl d
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Turn on debugging, don't fork and log to stderr.
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.It Fl r
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Register the
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.Tn NFS
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service with
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.Xr rpcbind 8
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without creating any servers.
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This option can be used along with the
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.Fl u
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or
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.Fl t
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options to re-register NFS if the portmap server is restarted.
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.It Fl n
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Specifies how many server threads to create.
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The default is 4.
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A server should run enough threads to handle
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the maximum level of concurrency from its clients.
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.It Fl 4
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Only listen to IPv4 requests.
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By default
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.Nm
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listens to both IPv6 and IPv4 and tries to register for both.
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.It Fl 6
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Only listen to IPv6 requests.
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.It Fl t
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Serve only
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.Tn TCP NFS
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clients.
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By default
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.Nm
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serves both
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.Tn TCP NFS
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and
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.Tn UDP NFS
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clients
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.It Fl u
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Serve only
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.Tn UDP NFS
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clients.
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.El
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.Pp
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.Nm
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listens for service requests at the port indicated in the
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.Tn NFS
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server specification; see
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.%T "Network File System Protocol Specification" ,
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RFC 1094 and
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.%T "NFS: Network File System Version 3 Protocol Specification" .
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.Sh EXIT STATUS
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.Ex -std nfsd
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.Sh EXAMPLES
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.Dq Li "nfsd -n 6"
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serves
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.Tn UDP
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and
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.Tn TCP
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transports using six threads.
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.Sh SEE ALSO
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.Xr nfsstat 1 ,
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.Xr nfssvc 2 ,
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.Xr mountd 8 ,
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.Xr rpcbind 8
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.Sh HISTORY
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The
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.Nm
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utility first appeared in
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.Bx 4.4 .
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