Hey I got lucky with a google search and found what would be a dupe if it were ever finished. https://bugs.debian.org/cgi-bin/bugreport.cgi?bug=805821
Somebody else managed to track the problem down. For some reason systemd is only watching for /dev/dm-* rather than the long dmraid device names. This is the equivalent of watching for /dev/sda1 instead of the UUID. Nikita Youshchenko: > This way boot is ok (i.e. no delays and swap is enabled). But this is ugly > and unreliable. This does work when there's only one raid array in the OS, which is most of the time. These are two real devices (no symlinks) with the same major and minor numbers.