<?xml version="1.0"?> <!--*-nxml-*--> <!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 2012 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-fstab-generator"> <refentryinfo> <title>systemd-fstab-generator</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-fstab-generator</refentrytitle> <manvolnum>8</manvolnum> </refmeta> <refnamediv> <refname>systemd-fstab-generator</refname> <refpurpose>Unit generator for /etc/fstab</refpurpose> </refnamediv> <refsynopsisdiv> <para><filename>/usr/lib/systemd/system-generators/systemd-fstab-generator</filename></para> </refsynopsisdiv> <refsect1> <title>Description</title> <para><filename>systemd-fstab-generator</filename> is a generator that translates <filename>/etc/fstab</filename> (see <citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry> for details) into native systemd units early at boot and when configuration of the system manager is reloaded. This will instantiate mount and swap units as necessary.</para> <para>The <varname>passno</varname> field is treated like a simple boolean, and the ordering information is discarded. However, if the root file system is checked, it is checked before all the other file systems.</para> <para>See <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry> and <citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry> for more information about special <filename>/etc/fstab</filename> mount options this generator understands.</para> <para><filename>systemd-fstab-generator</filename> implements <citerefentry><refentrytitle>systemd.generator</refentrytitle><manvolnum>7</manvolnum></citerefentry>.</para> </refsect1> <refsect1> <title>Kernel Command Line</title> <para><filename>systemd-fstab-generator</filename> understands the following kernel command line parameters:</para> <variablelist class='kernel-commandline-options'> <varlistentry> <term><varname>fstab=</varname></term> <term><varname>rd.fstab=</varname></term> <listitem><para>Takes a boolean argument. Defaults to <literal>yes</literal>. If <literal>no</literal>, causes the generator to ignore any mounts or swaps configured in <filename>/etc/fstab</filename>. <varname>rd.fstab=</varname> is honored only by initial RAM disk (initrd) while <varname>fstab=</varname> is honored by both the main system and the initrd.</para></listitem> </varlistentry> <varlistentry> <term><varname>root=</varname></term> <listitem><para>Takes the root filesystem to mount in the initrd. <varname>root=</varname> is honored by the initrd.</para></listitem> </varlistentry> <varlistentry> <term><varname>rootfstype=</varname></term> <listitem><para>Takes the root filesystem type that will be passed to the mount command. <varname>rootfstype=</varname> is honored by the initrd.</para></listitem> </varlistentry> <varlistentry> <term><varname>rootflags=</varname></term> <listitem><para>Takes the root filesystem mount options to use. <varname>rootflags=</varname> is honored by the initrd.</para></listitem> </varlistentry> <varlistentry> <term><varname>mount.usr=</varname></term> <listitem><para>Takes the <filename>/usr</filename> filesystem to be mounted by the initrd. If <varname>mount.usrfstype=</varname> or <varname>mount.usrflags=</varname> is set, then <varname>mount.usr=</varname> will default to the value set in <varname>root=</varname>.</para> <para>Otherwise this parameter defaults to the <filename>/usr</filename> entry found in <filename>/etc/fstab</filename> on the root filesystem.</para> <para><varname>mount.usr=</varname> is honored by the initrd. </para></listitem> </varlistentry> <varlistentry> <term><varname>mount.usrfstype=</varname></term> <listitem><para>Takes the <filename>/usr</filename> filesystem type that will be passed to the mount command. If <varname>mount.usr=</varname> or <varname>mount.usrflags=</varname> is set, then <varname>mount.usrfstype=</varname> will default to the value set in <varname>rootfstype=</varname>.</para> <para>Otherwise this value will be read from the <filename>/usr</filename> entry in <filename>/etc/fstab</filename> on the root filesystem.</para> <para><varname>mount.usrfstype=</varname> is honored by the initrd.</para></listitem> </varlistentry> <varlistentry> <term><varname>mount.usrflags=</varname></term> <listitem><para>Takes the <filename>/usr</filename> filesystem mount options to use. If <varname>mount.usr=</varname> or <varname>mount.usrfstype=</varname> is set, then <varname>mount.usrflags=</varname> will default to the value set in <varname>rootflags=</varname>.</para> <para>Otherwise this value will be read from the <filename>/usr</filename> entry in <filename>/etc/fstab</filename> on the root filesystem.</para> <para><varname>mount.usrflags=</varname> is honored by the initrd.</para></listitem> </varlistentry> </variablelist> </refsect1> <refsect1> <title>See Also</title> <para> <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, <citerefentry project='man-pages'><refentrytitle>fstab</refentrytitle><manvolnum>5</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd.mount</refentrytitle><manvolnum>5</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd.swap</refentrytitle><manvolnum>5</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd-cryptsetup-generator</refentrytitle><manvolnum>8</manvolnum></citerefentry> </para> </refsect1> </refentry>