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Diffstat (limited to 'man/systemd-fsck@.service.xml')
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diff --git a/man/systemd-fsck@.service.xml b/man/systemd-fsck@.service.xml new file mode 100644 index 0000000..45104bb --- /dev/null +++ b/man/systemd-fsck@.service.xml @@ -0,0 +1,121 @@ +<?xml version="1.0"?> +<!--*-nxml-*--> +<!DOCTYPE refentry PUBLIC "-//OASIS//DTD DocBook XML V4.5//EN" + "http://www.oasis-open.org/docbook/xml/4.2/docbookx.dtd"> +<!-- SPDX-License-Identifier: LGPL-2.1-or-later --> +<refentry id="systemd-fsck@.service"> + + <refentryinfo> + <title>systemd-fsck@.service</title> + <productname>systemd</productname> + </refentryinfo> + + <refmeta> + <refentrytitle>systemd-fsck@.service</refentrytitle> + <manvolnum>8</manvolnum> + </refmeta> + + <refnamediv> + <refname>systemd-fsck@.service</refname> + <refname>systemd-fsck-root.service</refname> + <refname>systemd-fsck-usr.service</refname> + <refname>systemd-fsck</refname> + <refpurpose>File system checker logic</refpurpose> + </refnamediv> + + <refsynopsisdiv> + <para><filename>systemd-fsck@.service</filename></para> + <para><filename>systemd-fsck-root.service</filename></para> + <para><filename>systemd-fsck-usr.service</filename></para> + <para><filename>/usr/lib/systemd/systemd-fsck</filename></para> + </refsynopsisdiv> + + <refsect1> + <title>Description</title> + + <para><filename>systemd-fsck@.service</filename>, <filename>systemd-fsck-root.service</filename>, and + <filename>systemd-fsck-usr.service</filename> are services responsible for file system checks. They are + instantiated for each device that is configured for file system checking. + <filename>systemd-fsck-root.service</filename> and <filename>systemd-fsck-usr.service</filename> are + responsible for file system checks on the root and /usr file system, respectively, but only if the root + filesystem was not checked in the initrd. <filename>systemd-fsck@.service</filename> is used for all + other file systems and for the root file system in the initrd.</para> + + <para>These services are started at boot if <option>passno</option> in <filename>/etc/fstab</filename> + for the file system is set to a value greater than zero, but only if it is also configured to be + mounted at boot (i.e. without <literal>noauto</literal> option). The file system check for root is + performed before the other file systems. Other file systems may be checked in parallel, except when + they are on the same rotating disk.</para> + + <para><filename>systemd-fsck</filename> does not know any details + about specific filesystems, and simply executes file system + checkers specific to each filesystem type + (<filename>fsck.<replaceable>type</replaceable></filename>). These checkers will decide if + the filesystem should actually be checked based on the time since + last check, number of mounts, unclean unmount, etc.</para> + + <para><filename>systemd-fsck-root.service</filename> and <filename>systemd-fsck-usr.service</filename> + will activate <filename>reboot.target</filename> if <filename>fsck</filename> returns the "System + should reboot" condition, or <filename>emergency.target</filename> if <filename>fsck</filename> + returns the "Filesystem errors left uncorrected" condition.</para> + + <para><filename>systemd-fsck@.service</filename> will fail if + <filename>fsck</filename> returns with either "System should reboot" + or "Filesystem errors left uncorrected" conditions. For filesystems + listed in <filename>/etc/fstab</filename> without <literal>nofail</literal> + or <literal>noauto</literal> options, <literal>local-fs.target</literal> + will then activate <filename>emergency.target</filename>.</para> + </refsect1> + + <refsect1> + <title>Kernel Command Line</title> + + <para><filename>systemd-fsck</filename> understands these kernel + command line parameters:</para> + + <variablelist class='kernel-commandline-options'> + <varlistentry> + <term><varname>fsck.mode=</varname></term> + + <listitem><para>One of <literal>auto</literal>, + <literal>force</literal>, <literal>skip</literal>. Controls + the mode of operation. The default is <literal>auto</literal>, + and ensures that file system checks are done when the file + system checker deems them necessary. <literal>force</literal> + unconditionally results in full file system checks. + <literal>skip</literal> skips any file system + checks.</para></listitem> + </varlistentry> + + <varlistentry> + <term><varname>fsck.repair=</varname></term> + + <listitem><para>One of <literal>preen</literal>, + <literal>yes</literal>, <literal>no</literal>. Controls the + mode of operation. The default is <literal>preen</literal>, + and will automatically repair problems that can be safely + fixed. <literal>yes</literal> will answer yes to all + questions by fsck and <literal>no</literal> will answer no to + all questions. </para></listitem> + </varlistentry> + </variablelist> + </refsect1> + + <refsect1> + <title>See Also</title> + <para> + <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry><refentrytitle>systemd-quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck.btrfs</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck.cramfs</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck.ext4</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck.fat</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck.hfsplus</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck.minix</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck.ntfs</refentrytitle><manvolnum>8</manvolnum></citerefentry>, + <citerefentry project='man-pages'><refentrytitle>fsck.xfs</refentrytitle><manvolnum>8</manvolnum></citerefentry> + </para> + </refsect1> + +</refentry> |