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#
# create a raid1 array, add an external bitmap
#
mdadm --create --run $md0 -l 1 -n 2 $dev1 $dev2
check wait
testdev $md0 1 $mdsize1a 64
bmf=$targetdir/bm
rm -f $bmf
#mdadm -E $dev1
mdadm --grow $md0 --bitmap=$bmf --delay=1 || { mdadm -X $bmf ; exit 1; }
dirty1=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
sleep 4
dirty2=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
testdev $md0 1 $mdsize1a 64
dirty3=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
sleep 4
dirty4=`mdadm -X $bmf | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
#echo $dirty1 $dirty2 $dirty3 $dirty4
if [ $dirty2 -ne 0 -o $dirty4 -ne 0 -o $dirty3 -lt 400 ]
then
echo bad dirty counts
exit 1
fi
# now to remove the bitmap
check bitmap
mdadm --grow $md0 --bitmap=none
check nobitmap
mdadm -S $md0
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