set -i # create a raid1 array, let it sync, then re-assemble with a force-sync mdadm -CR $md0 -l1 -n2 $dev0 $dev1 check wait mdadm -S $md0 mdadm -A $md0 $dev0 $dev1 check nosync mdadm -S $md0 mdadm -A $md0 -U resync $dev0 $dev1 check resync mdadm -S $md0