<title>Description</title>
<para>A unit configuration file whose name ends in
- <filename>.mount</filename> encodes information about
+ <literal>.mount</literal> encodes information about
a file system mount point controlled and supervised by
systemd.</para>
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. Note that the User= and Group= options are
- not particularly useful for mount units specifying a
- <literal>Type=</literal> option or using configuration
- not specified in <filename>/etc/fstab</filename>;
+ <citerefentry><refentrytitle>systemd.kill</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ which define the way the processes are terminated, and
+ in
+ <citerefentry><refentrytitle>systemd.resource-control</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ which configure resource control settings for the
+ processes of the service. Note that the User= and
+ Group= options are not particularly useful for mount
+ units specifying a <literal>Type=</literal> option or
+ using configuration not specified in
+ <filename>/etc/fstab</filename>;
<citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>
- will refuse options that aren't listed in
+ will refuse options that are not listed in
<filename>/etc/fstab</filename> if it is not run as
UID 0.</para>
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
+ 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
monitored by systemd and appear like any other mount
unit in systemd.
See <filename>/proc/self/mountinfo</filename> description
- in <citerefentry><refentrytitle>proc</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
+ in <citerefentry project='man-pages'><refentrytitle>proc</refentrytitle><manvolnum>5</manvolnum></citerefentry>.
</para>
<para>Some file systems have special semantics as API
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
+ configuration of the system manager is reloaded. In
+ general, configuring mount points through
+ <filename>/etc/fstab</filename> is the preferred
+ approach. See
<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>
for details about the conversion.</para>
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
+ <option>Wants</option> or <option>Requires</option>
+ (see option <option>nofail</option> below), 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>
+ whether the file system is local or remote.</para>
+
+ <variablelist class='fstab-options'>
+
+ <varlistentry>
+ <term><option>x-systemd.automount</option></term>
+
+ <listitem><para>An automount unit will be created
+ for the file system. See
+ <citerefentry><refentrytitle>systemd.automount</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ for details.</para></listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>x-systemd.device-timeout=</option></term>
+
+ <listitem><para>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 append a unit as
+ <literal>s</literal>, <literal>min</literal>,
+ <literal>h</literal>,
+ <literal>ms</literal>.</para>
+
+ <para>Note that this option can only be used in
+ <filename>/etc/fstab</filename>, and will be
+ ignored when part of <varname>Options=</varname>
+ setting in a unit file.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>nofail</option></term>
+ <term><option>fail</option></term>
+
+ <listitem><para>With <option>nofail</option> this
+ mount will be only wanted, not required, by the
+ <filename>local-fs.target</filename>. This means
+ that the boot will continue even if this mount
+ point is not mounted successfully. Option
+ <option>fail</option> has the opposite meaning and
+ is the default.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>noauto</option></term>
+ <term><option>auto</option></term>
+
+ <listitem><para>With <option>noauto</option>, this
+ mount will not be added as a dependency for
+ <filename>local-fs.target</filename>. This means
+ that it will not be mounted automatically during
+ boot, unless it is pulled in by some other
+ unit. Option <option>auto</option> has the
+ opposite meaning and is the default.</para>
+ </listitem>
+ </varlistentry>
+
+ <varlistentry>
+ <term><option>x-initrd.mount</option></term>
+
+ <listitem><para>An additional filesystem to be
+ mounted in the initramfs. See
+ <filename>initrd-fs.target</filename> description
+ in
+ <citerefentry><refentrytitle>systemd.special</refentrytitle><manvolnum>7</manvolnum></citerefentry>.
+ </para></listitem>
+ </varlistentry>
+ </variablelist>
<para>If a mount point is configured in both
<filename>/etc/fstab</filename> and a unit file that
- is stored below <filename>/usr</filename> the former
+ is stored below <filename>/usr</filename>, the former
will take precedence. If the unit file is stored below
- <filename>/etc</filename> it will take
+ <filename>/etc</filename>, it will take
precedence. This means: native unit files take
precedence over traditional configuration files, but
this is superseded by the rule that configuration in
setting is optional.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><varname>SloppyOptions=</varname></term>
+
+ <listitem><para>Takes a boolean
+ argument. If true, parsing of the
+ options specified in
+ <varname>Options=</varname> is
+ relaxed, and unknown mount options are
+ tolerated. This corresponds with
+ <citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>'s
+ <parameter>-s</parameter>
+ switch. Defaults to
+ off.</para></listitem>
+ </varlistentry>
+
<varlistentry>
<term><varname>DirectoryMode=</varname></term>
<listitem><para>Directories of 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
+ <constant>SIGTERM</constant>, and after another delay of
+ this time with <constant>SIGKILL</constant>. (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>
+ logic. The default value is set from the manager configuration
+ file's <varname>DefaultTimeoutStart=</varname> variable.</para></listitem>
</varlistentry>
</variablelist>
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 class='unit-directives'>
- <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>systemctl</refentrytitle><manvolnum>1</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.resource-control</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>proc</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
+ <citerefentry project='man-pages'><refentrytitle>proc</refentrytitle><manvolnum>5</manvolnum></citerefentry>,
<citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-fstab-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd.directives</refentrytitle><manvolnum>7</manvolnum></citerefentry>