root@ubuntu:~# grub-install —root-directory=/mnt /dev/sda
/usr/sbin/grub-setup: warn: This GPT partition label has no BIOS Boot Partition; embedding won't be possible!.
/usr/sbin/grub-setup: warn: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use is discouraged..
/usr/sbin/grub-setup: error: will not proceed with blocklists
При попытке через chroot - такая же ошибка. ЧЯДНТ?
Кстати, update-grub работает (через chroot).