start_raid_using_mdadm()
{
local f
local f arr
f="$(absolute mdadm 2>/dev/null)"
if [ -x "$f" ]; then
echo -n "(using mdadm) "
#fix bitmap on ro root fs
for arr in $(awk '/^m.*: inactive/{print "/dev/"$1}' /proc/mdstat); do
"$f" --stop "$arr"
done
#end fix
"$f" --assemble --scan
return $?
fi