> I would doubt that anaconda would do an install > with btrfs as the root filesystem, but who knows. Anaconda itself should not care, but the bootloader GRUB must understand how to read /boot, and GRUB does not read btrfs. If root is btrfs then /boot must be mounted on a filesystem that GRUB understands; see /boot/grub/*_stage1_5 for the list. --