>Are /dev/hdd1 and /dev/hdc1 both partitions of type (hex)fd? No, they were 83.
I have now chaged it, but still cookiemonster:~# /etc/init.d/mdadm-raid start Starting raid devices: mdadm: No arrays found in config file done. cookiemonster:~# cat /etc/mdadm/mdadm.conf DEVICE partitions cookiemonster:~# cookiemonster:~# mdadm --examine --scan ARRAY /dev/.static/dev/md0 level=raid5 num-devices=2 UUID=be1a9899:cbbb6f22:2b320f91:f4efdba8 devices=/dev/hdd1,/dev/hdc1 cookiemonster:~#