On Tue, Jun 3, 2014 at 7:09 AM, mark <m.roth at 5-cent.us> wrote: > I had an old server die; we had another, same model, sitting around lightly > used, so I did what I've done before: swap the RAID card into that, swap the > drives, even putting them in the same bays as the dead one, and boot. > > Nope. 100% of the time, when it hits switching roots, it kernel panics. > > Adding rdshell to the kernel line does nothing, I get no grub rdshell. Booting > from a flash drive into rescue, it finds everything, *perfectly*, and mounts > it all, including the RAID data drives. > > I've rebuilt the initrd, and no joy. > > Anyone have an idea? Did you try running "grub-install" after your rescue-mode boot and chroot into /mnt/sysimage? If that doesn't fix it there is probably something different about the device/naming of the root partition. -- Les Mikesell lesmikesell at gmail.com