Something change w.r.t. pv-grub?
After booting linode's kernel and firing up grub, it looks like (hd0) is no longer the correct device?
grub> root (hd0)
Error 21: Selected disk does not exist
After booting linode's kernel and firing up grub, it looks like (hd0) is no longer the correct device?
grub> root (hd0)
Error 21: Selected disk does not exist