<term><varname>luks.uuid=</varname></term>
<term><varname>rd.luks.uuid=</varname></term>
- <listitem><para>Takes a LUKS super
- block UUID as argument. This will
+ <listitem><para>Takes a LUKS superblock
+ UUID as argument. This will
activate the specified device as part
of the boot process as if it was
listed in
- <filename>/etc/fstab</filename>. This
+ <filename>/etc/crypttab</filename>. This
option may be specified more than once
in order to set up multiple
devices. <varname>rd.luks.uuid=</varname>
honored by both the main system and
the initrd.</para>
<para>If /etc/crypttab contains entries with
- the same UUID, then the options for this entry
- will be used.</para>
- <para>If /etc/crypttab exists, only those UUID
+ the same UUID, then the name, keyfile and options
+ specified there will be used. Otherwise the device
+ will have the name <literal>luks-UUID</literal>.</para>
+ <para>If /etc/crypttab exists, only those UUIDs
specified on the kernel command line
will be activated in the initrd or the real root.</para>
</listitem>
</varlistentry>
+
+ <varlistentry>
+ <term><varname>luks.options=</varname></term>
+ <term><varname>rd.luks.options=</varname></term>
+
+ <listitem><para>Takes a LUKS super
+ block UUID followed by an '=' and a string
+ of options separated by commas as argument.
+ This will override the options for the given
+ UUID.</para>
+ <para>If only a list of options, without an
+ UUID, is specified, they apply to any UUIDs not
+ specified elsewhere, and without an entry in
+ /etc/crypttab.</para><para>
+ <varname>rd.luks.options=</varname>
+ is honored only by initial RAM disk
+ (initrd) while
+ <varname>luks.options=</varname> is
+ honored by both the main system and
+ the initrd.</para>
+ </listitem>
+ </varlistentry>
+
<varlistentry>
<term><varname>luks.key=</varname></term>
<term><varname>rd.luks.key=</varname></term>