On many of my systems, the assignment of drives to letters depends on a number of unpredictable factors, so it's much safer to use the UUID to define arrays than /dev/sd[a-z]1.
Running "sudo mdadm --detail --scan" usually gets you pretty good ARRAY lines to put into your mdadm.conf file.
On many of my systems, the assignment of drives to letters depends on a number of unpredictable factors, so it's much safer to use the UUID to define arrays than /dev/sd[a-z]1.
Running "sudo mdadm --detail --scan" usually gets you pretty good ARRAY lines to put into your mdadm.conf file.