I can confirm the same with Herd3. >From my diagnosis, it appears that /dev/md? are missing or not generated properly in the initramfs.
In the busybox shell, I proceeded to do: mknod /dev/md0 b 9 0 mknod /dev/md1 b 9 1 etc.. mdadm --run /dev/md0 /dev/hda1 /dev/hdc1 mdadm --run /dev/md1 /dev/hda5 /dev/hdc5 etc.. exit And then it proceeded to boot properly. I did all of that from memory, so I may not have all the commands exact. -- Software Raid Setup with feisty herd1 alternate on amd64 https://launchpad.net/bugs/75555 -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs