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|
#
# create a raid1 with an internal bitmap
#
mdadm --create --run $md0 --level=5 -n3 --delay=1 --bitmap internal --bitmap-chunk=4 $dev1 $dev2 $dev3
check wait
testdev $md0 2 $mdsize1 512
mdadm -S $md0
mdadm --assemble $md0 $dev1 $dev2 $dev3
testdev $md0 2 $mdsize1 512
dirty1=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
sleep 4
dirty2=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
if [ $dirty1 -lt 400 -o $dirty2 -ne 0 ]
then echo >&2 "ERROR bad 'dirty' counts: $dirty1 and $dirty2"
exit 1
fi
mdadm $md0 -f $dev1
testdev $md0 2 $mdsize1 512
sleep 4
dirty3=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
if [ $dirty3 -lt 400 ]
then
echo >&2 "ERROR dirty count $dirty3 is too small"
exit 2
fi
mdadm -S $md0
mdadm --assemble -R $md0 $dev2 $dev3
mdadm --zero $dev1 # force --add, not --re-add
mdadm $md0 --add $dev1
check recovery
dirty4=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
check wait
sleep 4
dirty5=`mdadm -X $dev2 | sed -n -e 's/.*Bitmap.* \([0-9]*\) dirty.*/\1/p'`
if [ $dirty4 -lt 400 -o $dirty5 -ne 0 ]
then echo echo >&2 "ERROR bad 'dirty' counts at end: $dirty4 $dirty5"
exit 1
fi
mdadm -S $md0
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