+ starts writing to a new
+ file. <filename>/run</filename> is
+ used when
+ <filename>/var/log/journal</filename>
+ is not available, or when
+ <option>Storage=volatile</option> is
+ set in the
+ <citerefentry><refentrytitle>journald.conf</refentrytitle><manvolnum>5</manvolnum></citerefentry>
+ configuration file.