Bugzilla – Attachment #268090: the fix as a patch for bug #445490
if [ "$md_dev" ] ; then
/sbin/mdadm $mdconf --auto=md $md_dev || /sbin/mdadm -Ac partitions $mdarg --auto=md $md_dev
fi
sleep 1
echo change > /sys/block/md$md_minor/uevent
wait_for_events