art 해결 grub2-install 설치 오류 grub2-install: error: disk'hostdisk//dev/sda1'not found.

out

sudo

in

/dev/sdb는 디스크 장치grub2-install/dev/sdb 오류입니다.

Installing for x86_64-efi platform.
grub2-install: warning: disk does not exist, so falling back to partition device /dev/sda1.
grub2-install: warning: disk does not exist, so falling back to partition device /dev/sda1.
grub2-install: warning: disk does not exist, so falling back to partition device /dev/sda1.
grub2-install: error: disk ‘hostdisk//dev/sda1’ not found.

alg

sudo grub2-install /dev/sdb