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-<?xml version='1.0'?> <!--*-nxml-*-->
-<?xml-stylesheet type="text/xsl" href="http://docbook.sourceforge.net/release/xsl/current/xhtml/docbook.xsl"?>
-<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.2//EN"
- "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd">
-
-<!--
- This file is part of systemd.
-
- Copyright 2010 Lennart Poettering
-
- systemd is free software; you can redistribute it and/or modify it
- under the terms of the GNU Lesser General Public License as published by
- the Free Software Foundation; either version 2.1 of the License, or
- (at your option) any later version.
-
- systemd is distributed in the hope that it will be useful, but
- WITHOUT ANY WARRANTY; without even the implied warranty of
- MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
- Lesser General Public License for more details.
-
- You should have received a copy of the GNU Lesser General Public License
- along with systemd; If not, see <http://www.gnu.org/licenses/>.
--->
-
-<refentry id="systemd.mount">
- <refentryinfo>
- <title>systemd.mount</title>
- <productname>systemd</productname>
-
- <authorgroup>
- <author>
- <contrib>Developer</contrib>
- <firstname>Lennart</firstname>
- <surname>Poettering</surname>
- <email>lennart@poettering.net</email>
- </author>
- </authorgroup>
- </refentryinfo>
-
- <refmeta>
- <refentrytitle>systemd.mount</refentrytitle>
- <manvolnum>5</manvolnum>
- </refmeta>
-
- <refnamediv>
- <refname>systemd.mount</refname>
- <refpurpose>Mount unit configuration</refpurpose>
- </refnamediv>
-
- <refsynopsisdiv>
- <para><filename>systemd.mount</filename></para>
- </refsynopsisdiv>
-
- <refsect1>
- <title>Description</title>
-
- <para>A unit configuration file whose name ends in
- <filename>.mount</filename> encodes information about
- a file system mount point controlled and supervised by
- systemd.</para>
-
- <para>This man page lists the configuration options
- specific to this unit type. See
- <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for the common options of all unit configuration
- files. The common configuration items are configured
- in the generic [Unit] and [Install] sections. The
- mount specific configuration options are configured
- in the [Mount] section.</para>
-
- <para>Additional options are listed in
- <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- which define the execution environment the
- <citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>
- binary is executed in, and in
- <citerefentry><refentrytitle>systemd.kill</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- which define the way the processes are
- terminated.</para>
-
- <para>Mount units must be named after the mount point
- directories they control. Example: the mount point
- <filename>/home/lennart</filename> must be configured
- in a unit file
- <filename>home-lennart.mount</filename>. For details
- about the escaping logic used to convert a file system
- path to a unit name see
- <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
-
- <para>Optionally, a mount unit may be accompanied by
- an automount unit, to allow on-demand or parallelized
- mounting. See
- <citerefentry><refentrytitle>systemd.automount</refentrytitle><manvolnum>5</manvolnum></citerefentry>.</para>
-
- <para>If a mount point is beneath another mount point
- in the file system hierarchy, a dependency between both
- units is created automatically.</para>
-
- <para>Mount points created at runtime independent on
- unit files or <filename>/etc/fstab</filename> will be
- monitored by systemd and appear like any other mount
- unit in systemd.</para>
- </refsect1>
-
- <refsect1>
- <title><filename>/etc/fstab</filename></title>
-
- <para>Mount units may either be configured via unit
- files, or via <filename>/etc/fstab</filename> (see
- <citerefentry><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for details). Mounts listed in
- <filename>/etc/fstab</filename> will be converted into
- native units dynamically at boot and when the
- configuration of the system manager is reloaded. See
- <citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
- for details about the conversion.</para>
-
- <para>When reading <filename>/etc/fstab</filename> a
- few special mount options are understood by systemd
- which influence how dependencies are created for mount
- points from <filename>/etc/fstab</filename>. systemd
- will create a dependency of type
- <option>Wants</option> from either
- <filename>local-fs.target</filename> or
- <filename>remote-fs.target</filename>, depending
- whether the file system is local or remote. If
- <option>x-systemd.automount</option> is set, an
- automount unit will be created for the file
- system. See
- <citerefentry><refentrytitle>systemd.automount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for details. If
- <option>x-systemd.device-timeout=</option> is
- specified it may be used to configure how long systemd
- should wait for a device to show up before giving up
- on an entry from
- <filename>/etc/fstab</filename>. Specify a time in
- seconds or explicitly specify a unit as
- <literal>s</literal>, <literal>min</literal>,
- <literal>h</literal>, <literal>ms</literal>.</para>
-
- <para>If a mount point is configured in both
- <filename>/etc/fstab</filename> and a unit file, the
- configuration in the latter takes precedence.</para>
- </refsect1>
-
- <refsect1>
- <title>Options</title>
-
- <para>Mount files must include a [Mount] section,
- which carries information about the file system mount points it
- supervises. A number of options that may be used in
- this section are shared with other unit types. These
- options are documented in
- <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- and
- <citerefentry><refentrytitle>systemd.kill</refentrytitle><manvolnum>5</manvolnum></citerefentry>. The
- options specific to the [Mount] section of mount
- units are the following:</para>
-
- <variablelist>
-
- <varlistentry>
- <term><varname>What=</varname></term>
- <listitem><para>Takes an absolute path
- of a device node, file or other
- resource to mount. See
- <citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>
- for details. If this refers to a
- device node, a dependency on the
- respective device unit is
- automatically created. (See
- <citerefentry><refentrytitle>systemd.device</refentrytitle><manvolnum>5</manvolnum></citerefentry> for more information.)
- This option is
- mandatory.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><varname>Where=</varname></term>
- <listitem><para>Takes an absolute path
- of a directory of the mount point. If
- the mount point does not exist at the
- time of mounting, it is created. This
- string must be reflected in the unit
- file name. (See above.) This option is
- mandatory.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><varname>Type=</varname></term>
- <listitem><para>Takes a string for the
- filesystem type. See
- <citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>
- for details. This setting is
- optional.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><varname>Options=</varname></term>
-
- <listitem><para>Mount options to use
- when mounting. This takes a comma
- separated list of options. This
- setting is optional.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><varname>DirectoryMode=</varname></term>
- <listitem><para>Directories of mount
- points (and any parent directories)
- are automatically created if
- needed. This option specifies the file
- system access mode used when creating
- these directories. Takes an access
- mode in octal notation. Defaults to
- 0755.</para></listitem>
- </varlistentry>
-
- <varlistentry>
- <term><varname>TimeoutSec=</varname></term>
- <listitem><para>Configures the time to
- wait for the mount command to
- finish. If a command does not exit
- within the configured time the mount
- will be considered failed and be shut
- down again. All commands still running
- will be terminated forcibly via
- SIGTERM, and after another delay of
- this time with SIGKILL. (See
- <option>KillMode=</option> in
- <citerefentry><refentrytitle>systemd.kill</refentrytitle><manvolnum>5</manvolnum></citerefentry>.)
- Takes a unit-less value in seconds, or
- a time span value such as "5min
- 20s". Pass 0 to disable the timeout
- logic. Defaults to
- 90s.</para></listitem>
- </varlistentry>
- </variablelist>
-
- <para>Check
- <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- and
- <citerefentry><refentrytitle>systemd.kill</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for more settings.</para>
- </refsect1>
-
- <refsect1>
- <title>Compatibility Options</title>
-
- <para>The following option is also available in the
- <literal>[Mount]</literal> section, but exists purely
- for compatibility reasons and should not be used in
- newly written mount files.</para>
-
- <variablelist>
- <varlistentry>
- <term><varname>FsckPassNo=</varname></term>
-
- <listitem><para>The pass number for
- the file system checking service for
- this mount. See
- <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>
- for more information on this setting.
- </para></listitem>
- </varlistentry>
- </variablelist>
- </refsect1>
-
- <refsect1>
- <title>See Also</title>
- <para>
- <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemctl</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd.unit</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd.exec</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd.kill</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd.device</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
- <citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
- </para>
- </refsect1>
-
-</refentry>