Выше опечатался: не /etc/grub/device.map, а /boot/grub/device.map, конечно. 08.02.2018 14:19, Yuri Khachaturyan пишет: > /usr/sbin/grub-install: error: cannot find a GRUB drive for > /dev/disk/by-id/scsi-SServeRA_RAID10_256EF197. Check your device.map. -- Best regards, Leonid Krivoshein.