this option.</para></listitem>
</varlistentry>
+ <varlistentry>
+ <term><option>header=</option></term>
+
+ <listitem><para>Use a detached (separated)
+ metadata device or file where the LUKS header
+ is stored. This option is only relevant for
+ LUKS devices. See
+ <citerefentry><refentrytitle>cryptsetup</refentrytitle><manvolnum>8</manvolnum></citerefentry>
+ for possible values and the default value of
+ this option.</para></listitem>
+ </varlistentry>
+
<varlistentry>
<term><option>keyfile-offset=</option></term>
systemd should wait for a device to
show up before giving up on the
entry. The argument is a time in
- seconds or explicitly specifified
+ seconds or explicitly specified
units of <literal>s</literal>,
<literal>min</literal>,
<literal>h</literal>,