</term>
<listitem>
<para>
- 'backingstore' is one of 'none', 'dir', 'lvm', 'loop', or 'btrfs'. The
+ 'backingstore' is one of 'none', 'dir', 'lvm', 'loop', 'btrfs', or 'best'. The
default is 'none', meaning that the container root filesystem
will be a directory under <filename>@LXCPATH@/container/rootfs</filename>.
'dir' has the same meaning as 'none', but also allows the optional
<replaceable>--fssize SIZE</replaceable> will create a LV (and
filesystem) of size SIZE rather than the default, which is 1G.
</para>
+ <para>
+ If backingstore is 'best', then lxc will try, in order, btrfs,
+ zfs, lvm, and finally a directory backing store.
+ </para>
</listitem>
</varlistentry>