.\" $NetBSD: autounmountd.8,v 1.3 2018/01/14 03:17:28 uwe Exp $
.\"
.\" Copyright (c) 2017 The NetBSD Foundation, Inc.
.\" Copyright (c) 2016 The DragonFly Project
.\" Copyright (c) 2014 The FreeBSD Foundation
.\" All rights reserved.
.\"
.\" This code is derived from software contributed to The NetBSD Foundation
.\" by Tomohiro Kusumi.
.\"
.\" This software was developed by Edward Tomasz Napierala under sponsorship
.\" from the FreeBSD Foundation.
.\"
.\" Redistribution and use in source and binary forms, with or without
.\" modification, are permitted provided that the following conditions
.\" are met:
.\" 1. Redistributions of source code must retain the above copyright
.\"    notice, this list of conditions and the following disclaimer.
.\" 2. Redistributions in binary form must reproduce the above copyright
.\"    notice, this list of conditions and the following disclaimer in the
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.\" THIS SOFTWARE IS PROVIDED BY THE AUTHORS AND CONTRIBUTORS ``AS IS'' AND
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.\" $FreeBSD$
.\"
.Dd November 25, 2017
.Dt AUTOUNMOUNTD 8
.Os
.Sh NAME
.Nm autounmountd
.Nd daemon unmounting automounted file systems
.Sh SYNOPSIS
.Nm
.Op Fl r Ar time
.Op Fl t Ar time
.Op Fl dv
.Sh DESCRIPTION
The
.Nm
daemon is responsible for unmounting file systems mounted by
.Xr automountd 8 .
On startup,
.Nm
retrieves a list of file systems that have the
.Li automounted
mount option set.
The list is updated every time a file system is mounted or unmounted.
After a specified time passes,
.Nm
attempts to unmount a file system, retrying after some time if necessary.
.Pp
These options are available:
.Bl -tag -width ".Fl v"
.It Fl d
Debug mode: increase verbosity and do not daemonize.
.It Fl r
Number of seconds to wait before trying to unmount an expired file system
after a previous attempt failed, possibly due to file system being busy.
The default value is 600, or ten minutes.
.It Fl t
Number of seconds to wait before trying to unmount a file system.
The default value is 600, or ten minutes.
.It Fl v
Increase verbosity.
.El
.Sh EXIT STATUS
.Ex -std
.Sh SEE ALSO
.Xr auto_master 5 ,
.Xr autofs 5 ,
.Xr automount 8 ,
.Xr automountd 8
.Sh HISTORY
The
.Nm
daemon appeared in
.Fx 10.1 .
The
.Nm
daemon appeared in
.Dx 4.5 .
The
.Nm
command appeared in
.Nx 9.0 .
.Sh AUTHORS
.An -nosplit
The
.Nm
was developed by
.An Edward Tomasz Napierala Aq Mt trasz@FreeBSD.org
under sponsorship from the
.Fx
Foundation.
.Pp
.Nm
was ported to
.Dx
and
.Nx
by
.An Tomohiro Kusumi Aq Mt kusumi.tomohiro@gmail.com .