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man: beef up systemd-fsck description

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Zbigniew Jędrzejewski-Szmek 2014-06-28 13:21:01 -04:00
parent 8eea868708
commit a17f2dc15b
1 changed files with 43 additions and 15 deletions
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58
man/systemd-fsck@.service.xml
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@ -56,21 +56,41 @@
<refsect1> <refsect1>
<title>Description</title> <title>Description</title>
<para><filename>systemd-fsck@.service</filename> is a <para><filename>systemd-fsck@.service</filename> and
service responsible for file system checks. It is <filename>systemd-fsck-root.service</filename> are
instantiated for each device that requires a file services responsible for file system checks. They are
system instantiated for each device that is configured for
check. <filename>systemd-fsck-root.service</filename> is file system checking.
responsible for file system checks on the root <filename>systemd-fsck-root.service</filename> is
file system. The root file system check is performed responsible for file system checks on the root file
before the other file systems. Either service is enabled system, but in only if the root filesystem wasn't
at boot if passno in <filename>/etc/fstab</filename> for checked in the initramfs.
the file system is set to a value greater than zero.</para> <filename>systemd-fsck@.service</filename> is used for
all other file systems and for the root file system in
the initramfs.</para>
<para><filename>systemd-fsck</filename> will <para>Those services are started at boot if
forward file system checking progress to the <option>passno</option> in
console. If a file system check fails, emergency mode <filename>/etc/fstab</filename> for the file system is
is activated, by isolating to set to a value greater than zero. 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 one 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>/sbin/fsck.*</filename>).
This helper 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</filename> will forward
file system checking progress to the console. If a
file system check fails for a service without
<option>nofail</option>, emergency mode is activated,
by isolating to
<filename>emergency.target</filename>.</para> <filename>emergency.target</filename>.</para>
</refsect1> </refsect1>
@ -122,7 +142,15 @@
<para> <para>
<citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>, <citerefentry><refentrytitle>systemd</refentrytitle><manvolnum>1</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck</refentrytitle><manvolnum>8</manvolnum></citerefentry>, <citerefentry><refentrytitle>fsck</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>systemd-quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry> <citerefentry><refentrytitle>systemd-quotacheck.service</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck.btrfs</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck.cramfs</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck.ext4</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck.fat</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck.hfsplus</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck.minix</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck.ntfs</refentrytitle><manvolnum>8</manvolnum></citerefentry>,
<citerefentry><refentrytitle>fsck.xfs</refentrytitle><manvolnum>8</manvolnum></citerefentry>
</para> </para>
</refsect1> </refsect1>