gentoo ブートローダで詰まったとこ

ここがよくわからん

[shell gutter="false"] (chroot) livecd init.d # grub2-install /dev/sda1 Installing for i386-pc platform. grub2-install: warning: File system `ext2' doesn't support embedding. grub2-install: warning: Embedding is not possible. GRUB can only be installed in this setup by using blocklists. However, blocklists are UNRELIABLE and their use is discouraged.. [/shell]