As long as the proper mdadm --incremental mode command (to start a single array) is not available (Bug #251646) a workaround needs to be used:
mdadm --remove <incomplete-md-device> <arbitrary-member-device-of-incomplete-array>
mdadm --incremental --run <arbitrary-member-device-of-incomplete-array>
As long as the proper mdadm --incremental mode command (to start a single array) is not available (Bug #251646) a workaround needs to be used:
mdadm --remove <incomplete- md-device> <arbitrary- member- device- of-incomplete- array>
mdadm --incremental --run <arbitrary- member- device- of-incomplete- array>