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Index: head/usr.sbin/nfsd/nfsd.8
===================================================================
--- head/usr.sbin/nfsd/nfsd.8
+++ head/usr.sbin/nfsd/nfsd.8
@@ -34,8 +34,7 @@
.Sh NAME
.Nm nfsd
.Nd remote
-.Tn NFS
-server
+NFS server
.Sh SYNOPSIS
.Nm
.Op Fl ardute
@@ -49,23 +48,18 @@
.Sh DESCRIPTION
The
.Nm
-utility runs on a server machine to service
-.Tn NFS
-requests from client machines.
+utility runs on a server machine to service NFS requests from client machines.
At least one
.Nm
must be running for a machine to operate as a server.
.Pp
-Unless otherwise specified, eight servers per CPU for
-.Tn UDP
-transport are started.
+Unless otherwise specified, eight servers per CPU for UDP transport are
+started.
.Pp
The following options are available:
.Bl -tag -width Ds
.It Fl r
-Register the
-.Tn NFS
-service with
+Register the NFS service with
.Xr rpcbind 8
without creating any servers.
This option can be used along with the
@@ -74,16 +68,15 @@
.Fl t
options to re-register NFS if the rpcbind server is restarted.
.It Fl d
-Unregister the
-.Tn NFS
-service with
+Unregister the NFS service with
.Xr rpcbind 8
without creating any servers.
.It Fl V Ar virtual_hostname
Specifies a hostname to be used as a principal name, instead of
the default hostname.
.It Fl n Ar threads
-Specifies how many servers to create. This option is equivalent to specifying
+Specifies how many servers to create.
+This option is equivalent to specifying
.Fl Fl maxthreads
and
.Fl Fl minthreads
@@ -114,13 +107,14 @@
daemon needs to start it.
This option can only be used on one server and specifies that this server
will be the MetaData Server (MDS) for the pNFS service.
-This can only be done if there is at least one FreeBSD system configured
+This can only be done if there is at least one
+.Fx
+system configured
as a Data Server (DS) for it to use.
.Pp
The
.Ar pnfs_setup
string is a set of fields separated by ',' characters:
-.Bl -tag -width Ds
Each of these fields specifies one DS.
It consists of a server hostname, followed by a ':'
and the directory path where the DS's data storage file system is mounted on
@@ -159,7 +153,6 @@
.Dq /export1
and nfsv4-data1 will be used to store data files for
.Dq /export2 .
-.El
.sp
When using IPv6 addresses for DSs
be wary of using link local addresses.
@@ -201,28 +194,20 @@
layout.
If mirroring is not enabled, the server will use the File layout
by default, but this default can be changed to the Flexible File layout if the
-.Xr sysctl 1
+.Xr sysctl 8
vfs.nfsd.default_flexfile
is set non-zero.
.It Fl t
-Serve
-.Tn TCP NFS
-clients.
+Serve TCP NFS clients.
.It Fl u
-Serve
-.Tn UDP NFS
-clients.
+Serve UDP NFS clients.
.It Fl e
Ignored; included for backward compatibility.
.El
.Pp
For example,
.Dq Li "nfsd -u -t -n 6"
-serves
-.Tn UDP
-and
-.Tn TCP
-transports using six daemons.
+serves UDP and TCP transports using six daemons.
.Pp
A server should run enough daemons to handle
the maximum level of concurrency from its clients,
@@ -231,8 +216,7 @@
The
.Nm
utility listens for service requests at the port indicated in the
-.Tn NFS
-server specification; see
+NFS server specification; see
.%T "Network File System Protocol Specification" ,
RFC1094,
.%T "NFS: Network File System Version 3 Protocol Specification" ,
@@ -245,15 +229,10 @@
If
.Nm
detects that
-.Tn NFS
-is not loaded in the running kernel, it will attempt
-to load a loadable kernel module containing
-.Tn NFS
-support using
+NFS is not loaded in the running kernel, it will attempt
+to load a loadable kernel module containing NFS support using
.Xr kldload 2 .
-If this fails, or no
-.Tn NFS
-KLD is available,
+If this fails, or no NFS KLD is available,
.Nm
will exit with an error.
.Pp
@@ -271,7 +250,7 @@
The
.Nm ipfw
utility
-would then be used to block nfs-related packets that come in on the outside
+would then be used to block NFS-related packets that come in on the outside
interface.
.Pp
If the server has stopped servicing clients and has generated a console message
@@ -337,8 +316,8 @@
.Nm
is started when
.Xr gssd 8
-is not running, it will service AUTH_SYS requests only. To fix the problem
-you must kill
+is not running, it will service AUTH_SYS requests only.
+To fix the problem you must kill
.Nm
and then restart it, after the
.Xr gssd 8
@@ -351,6 +330,6 @@
.Dq tightly coupled
variant of
the Flexible File layout or the
-.Xr sysctl 1
+.Xr sysctl 8
vfs.nfsd.flexlinuxhack
must be set to one on the MDS as a workaround.

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