grub2 error disk 'hd0,msdos1' not found, ls shows no disk

spark_sara

I have googled a lot for this problem. I found this , but it didn't solve my problem. Other solutions suggest me to reinstall grub (run grub-install), which didn't work either. Here is what I am doing: (my grub version is 2.02) I use grub2-mkrescue to make my X.iso I boot a VMWareWorkstation virtual machine, which has a 1.0GB SATA disk, from X.iso I install X.iso on disk, the details are: erase /dev/sda in case there are old partitions on it: dd...

Originally asked by Hurry Zeng on Stack Exchange (unix) (CC BY-SA 4.0).

uphilltech

Great question — answering as the UphillTech team:

cp -f /boot/grub/device.map $ROOTFS_PATH/boot/grub/device.map So, you copied the GRUB device.map file from the GRUB rescue ISO image to your disk? It might be forcing grub-install to associate the GRUB device identifier hd0 with a disk device other than /dev/sda . Before running grub-install , verify that the device.map file actually associates hd0 with the disk you're installing GRUB to (i.e. /dev/sda in your case). Also, why are you doing all this? It looks like you're trying to make a grub2-mkrescue VM image that might be useable in rescuing some other VM that has lost its bootloader - is that what you're planning to do? If so, simply booting the problem VM using an ISO image of any Live...

Full answer by telcoM: https://unix.stackexchange.com/a/504225 (CC BY-SA 4.0).

Need it done for your business? UphillTech.