> When I booted the box after this, I got a kernel panic, the typical > "Can't find root device". > Reading https://fedoraproject.org/wiki/How_to_debug_Dracut_problems , I > did the following: > > # lvm vgscan > # lvm vgchange -ay > > And then > > # ln -s /dev/mapper/<volumegroup>-<root_volume> /dev/root > # exit > > After this, the box boots up normally, and everything works as it > should. However, when I reboot, it again fails to find the root device. > > So, after all this, my question is, how do I make Dracut (I'm assuming) > understand that this LVM volume is my root device and pick it up > automatically? What does your kernel line in grub look like? Barry