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#
# create a raid1, remove a drive, and readd it.
# resync should be instant.
# Then do some IO first. Resync should still be very fast
#
mdadm -CR $md0 -l1 -n2 -binternal -d1 $dev1 $dev2
check resync
check wait
testdev $md0 1 $mdsize0 1
sleep 4
mdadm $md0 -f $dev2
sleep 1
mdadm $md0 -r $dev2
mdadm $md0 -a $dev2
#cat /proc/mdstat
check nosync
mdadm $md0 -f $dev2
sleep 1
mdadm $md0 -r $dev2
testdev $md0 1 $mdsize0 1
mdadm $md0 -a $dev2
check wait
cmp --bytes=$[$mdsize0*1024] $dev1 $dev2
mdadm $md0 -f $dev2; sleep 1
mdadm $md0 -r $dev2
if dd if=/dev/zero of=$md0 ; then : ; fi
mdadm $md0 -a $dev2
check recovery
check wait
cmp --bytes=$[$mdsize0*1024] $dev1 $dev2
mdadm -S $md0
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