➜  ~ mdadm --assemble --force /dev/md0 /dev/sda /dev/sdb /dev/sdc /dev/sdd
mdadm: forcing event count in /dev/sda(1) from 19953 up to 19957
mdadm: forcing event count in /dev/sdc(2) from 19953 up to 19957
mdadm: forcing event count in /dev/sdd(3) from 19953 up to 19957
mdadm: clearing FAULTY flag for device 0 in /dev/md0 for /dev/sda
mdadm: clearing FAULTY flag for device 2 in /dev/md0 for /dev/sdc
mdadm: clearing FAULTY flag for device 3 in /dev/md0 for /dev/sdd
mdadm: Marking array /dev/md0 as 'clean'
mdadm: /dev/md0 has been started with 4 drives.