I've been struggling with my Ubuntu file server the past few weeks getting it to boot reliably. This server has been running pretty smoothly until I upgraded to 9.10 (and then 10.04 in desperation) ...
/dev/disk/by-uuid/cf7c3afd-aaf9-44ee-8905-b5d15e7c0e79 /boot xfs defaults 0 0 /dev/disk/by-id/dm-uuid-LVM ...