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author | Lennart Poettering <lennart@poettering.net> | 2010-07-02 00:29:15 +0200 |
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committer | Lennart Poettering <lennart@poettering.net> | 2010-07-02 00:29:15 +0200 |
commit | cdb788e4cdc67bf7da6b3b1b3f4f295ef5c25c67 (patch) | |
tree | 4983f4ab565cd2602917b6820cab5000d0a9eabd /man/systemd.mount.xml | |
parent | 3e5235b0d95020e8260d8deb6d7b070b0e0c60be (diff) |
man: document mount units
Diffstat (limited to 'man/systemd.mount.xml')
-rw-r--r-- | man/systemd.mount.xml | 230 |
1 files changed, 230 insertions, 0 deletions
diff --git a/man/systemd.mount.xml b/man/systemd.mount.xml new file mode 100644 index 0000000000..275e354d6d --- /dev/null +++ b/man/systemd.mount.xml @@ -0,0 +1,230 @@ +<?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 General Public License as published by + the Free Software Foundation; either version 2 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 + General Public License for more details. + + You should have received a copy of the GNU 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>systemd mount configuration files</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>systemd.mount</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para>A unit configuration file whose name ends in + .mount 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>.</para> + + <para>Mount units must be named after the file paths + they reflect. 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> + </refsect1> + + <refsect1> + <title><filename>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).</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>. If + <option>comment=systemd.mount</option> is specified as + mount option then 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>comment=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.</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>. The + options specific to the [Mount] section of service + 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 is not existing at + 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 + seperated 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. 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 comand 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> below.) + 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 + 60s.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>KillMode=</varname></term> + <listitem><para>Specifies how + processes of this mount shall be + killed. One of + <option>control-group</option>, + <option>process-group</option>, + <option>process</option>, + <option>none</option>.</para> + + <para>This option is mostly equivalent + to the <option>KillMode=</option> + option of service files. See + <citerefentry><refentrytitle>systemd.service</refentrytitle><manvolnum>5</manvolnum></citerefentry> + for details.</para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>8</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.device</refentrytitle><manvolnum>5</manvolnum></citerefentry>, + <citerefentry><refentrytitle>mount</refentrytitle><manvolnum>8</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |