.\"	$OpenBSD: nfsiod.8,v 1.7 1998/12/15 01:20:41 aaron Exp $
.\"	$NetBSD: nfsiod.8,v 1.6 1995/03/18 14:59:04 cgd Exp $
.\"
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.\"     @(#)nfsiod.8	8.2 (Berkeley) 2/22/94
.\"
.Dd February 22, 1994
.Dt NFSIOD 8
.Os
.Sh NAME
.Nm nfsiod
.Nd local
.Tn NFS
asynchronous I/O server
.Sh SYNOPSIS
.Nm nfsiod
.Op Fl n Ar num_servers
.Sh DESCRIPTION
.Nm
runs on an
.Tn NFS
client machine to service asynchronous I/O requests to its server.
It improves performance but is not required for correct operation.
.Pp
Unless otherwise specified, a single server is started.
.Pp
The options are as follows:
.Bl -tag -width Ds
.It Fl n
Specify how many servers are to be started.
.El
.Pp
A client should run enough daemons to handle its maximum
level of concurrency, typically four to six.  The system maximum is twenty.
.Pp
The
.Nm
utility exits 0 on success or >0 if an error occurred.
.Sh SEE ALSO
.Xr nfsstat 1 ,
.Xr nfssvc 2 ,
.Xr mountd 8 ,
.Xr portmap 8
.Sh HISTORY
The
.Nm
utility first appeared in
.Bx 4.4 .