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<html><head><meta http-equiv="Content-Type" content="text/html; charset=UTF-8"><title>systemd-fsck@.service</title><meta name="generator" content="DocBook XSL Stylesheets V1.78.1"></head><body bgcolor="white" text="black" link="#0000FF" vlink="#840084" alink="#0000FF"><style>
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</style><a href="index.html">Index </a>·
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<a href="systemd.directives.html">Directives </a>·
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<a href="../python-systemd/index.html">Python </a>·
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<a href="../libudev/index.html">libudev </a>·
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<a href="../libudev/index.html">gudev </a><span style="float:right">systemd 217</span><hr><div class="refentry"><a name="systemd-fsck@.service"></a><div class="titlepage"></div><div class="refnamediv"><h2>Name</h2><p>systemd-fsck@.service, systemd-fsck-root.service, systemd-fsck — File system checker logic</p></div><div class="refsynopsisdiv"><h2>Synopsis</h2><p><code class="filename">systemd-fsck@.service</code></p><p><code class="filename">systemd-fsck-root.service</code></p><p><code class="filename">/usr/lib/systemd/systemd-fsck</code></p></div><div class="refsect1"><a name="idm214171488128"></a><h2 id="Description">Description<a class="headerlink" title="Permalink to this headline" href="#Description">¶</a></h2><p><code class="filename">systemd-fsck@.service</code> and
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<code class="filename">systemd-fsck-root.service</code> are
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services responsible for file system checks. They are
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instantiated for each device that is configured for
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file system checking.
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<code class="filename">systemd-fsck-root.service</code> is
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responsible for file system checks on the root file
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system, but in only if the root filesystem wasn't
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checked in the initramfs.
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<code class="filename">systemd-fsck@.service</code> is used for
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all other file systems and for the root file system in
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the initramfs.</p><p>Those services are started at boot if
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<code class="option">passno</code> in
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<code class="filename">/etc/fstab</code> for the file system is
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set to a value greater than zero. The file system
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check for root is performed before the other file
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systems. Other file systems may be checked in
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parallel, except when they are one the same rotating
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disk.</p><p><code class="filename">systemd-fsck</code> does not know
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any details about specific filesystems, and simply
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executes file system checkers specific to each
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filesystem type (<code class="filename">/sbin/fsck.*</code>).
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This helper will decide if the filesystem should
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actually be checked based on the time since last
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check, number of mounts, unclean unmount, etc.</p><p><code class="filename">systemd-fsck</code> will forward
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file system checking progress to the console. If a
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file system check fails for a service without
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<code class="option">nofail</code>, emergency mode is activated,
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by isolating to
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<code class="filename">emergency.target</code>.</p></div><div class="refsect1"><a name="idm214171359008"></a><h2 id="Kernel Command Line">Kernel Command Line<a class="headerlink" title="Permalink to this headline" href="#Kernel%20Command%20Line">¶</a></h2><p><code class="filename">systemd-fsck</code> understands
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one kernel command line parameter:</p><div class="variablelist"><dl class="variablelist"><dt id="fsck.mode="><span class="term"><code class="varname">fsck.mode=</code></span><a class="headerlink" title="Permalink to this term" href="#fsck.mode=">¶</a></dt><dd><p>One of
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"<code class="literal">auto</code>",
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"<code class="literal">force</code>",
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"<code class="literal">skip</code>". Controls the
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mode of operation. The default is
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"<code class="literal">auto</code>", and ensures
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that file system checks are done when
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the file system checker deems them
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necessary. "<code class="literal">force</code>"
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unconditionally results in full file
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system checks. "<code class="literal">skip</code>"
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skips any file system
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checks.</p></dd><dt id="fsck.repair="><span class="term"><code class="varname">fsck.repair=</code></span><a class="headerlink" title="Permalink to this term" href="#fsck.repair=">¶</a></dt><dd><p>One of
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"<code class="literal">preen</code>",
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"<code class="literal">yes</code>",
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"<code class="literal">no</code>". Controls the
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mode of operation. The default is "<code class="literal">
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preen</code>", and will automatically repair
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problems that can be safely fixed. "<code class="literal">yes
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</code>" will answer yes to all questions by
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fsck and "<code class="literal">no</code>" will answer no to
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all questions.
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</p></dd></dl></div></div><div class="refsect1"><a name="idm214171539424"></a><h2 id="See Also">See Also<a class="headerlink" title="Permalink to this headline" href="#See%20Also">¶</a></h2><p>
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<a href="systemd.html"><span class="citerefentry"><span class="refentrytitle">systemd</span>(1)</span></a>,
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<a href="fsck.html"><span class="citerefentry"><span class="refentrytitle">fsck</span>(8)</span></a>,
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<a href="systemd-quotacheck.service.html"><span class="citerefentry"><span class="refentrytitle">systemd-quotacheck.service</span>(8)</span></a>,
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<a href="fsck.btrfs.html"><span class="citerefentry"><span class="refentrytitle">fsck.btrfs</span>(8)</span></a>,
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<a href="fsck.cramfs.html"><span class="citerefentry"><span class="refentrytitle">fsck.cramfs</span>(8)</span></a>,
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<a href="fsck.ext4.html"><span class="citerefentry"><span class="refentrytitle">fsck.ext4</span>(8)</span></a>,
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<a href="fsck.fat.html"><span class="citerefentry"><span class="refentrytitle">fsck.fat</span>(8)</span></a>,
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<a href="fsck.hfsplus.html"><span class="citerefentry"><span class="refentrytitle">fsck.hfsplus</span>(8)</span></a>,
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<a href="fsck.minix.html"><span class="citerefentry"><span class="refentrytitle">fsck.minix</span>(8)</span></a>,
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<a href="fsck.ntfs.html"><span class="citerefentry"><span class="refentrytitle">fsck.ntfs</span>(8)</span></a>,
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<a href="fsck.xfs.html"><span class="citerefentry"><span class="refentrytitle">fsck.xfs</span>(8)</span></a>
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</p></div></div></body></html>
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