It's now 2021, and this issue is still present, even after upgrading to Linux Mint 20.1 (likely due to Mint being a Ubuntu derivative):
```
[~] $ sudo update-grub
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/grub.d/50_linuxmint.cfg'
Sourcing file `/etc/default/grub.d/init-select.cfg'
Generating grub configuration file ...
Found background: /boot/boot.png
Found background image: /boot/boot.png
Found linux image: /boot/vmlinuz-5.10.15-051015-lowlatency
Found initrd image: /boot/initrd.img-5.10.15-051015-lowlatency
/dev/sdh: open failed: No medium found
/dev/sdi: open failed: No medium found
/dev/sdh: open failed: No medium found
/dev/sdi: open failed: No medium found
done
```
It's now 2021, and this issue is still present, even after upgrading to Linux Mint 20.1 (likely due to Mint being a Ubuntu derivative):
``` grub.d/ 50_linuxmint. cfg' grub.d/ init-select. cfg' 5.10.15- 051015- lowlatency img-5.10. 15-051015- lowlatency
[~] $ sudo update-grub
Sourcing file `/etc/default/grub'
Sourcing file `/etc/default/
Sourcing file `/etc/default/
Generating grub configuration file ...
Found background: /boot/boot.png
Found background image: /boot/boot.png
Found linux image: /boot/vmlinuz-
Found initrd image: /boot/initrd.
/dev/sdh: open failed: No medium found
/dev/sdi: open failed: No medium found
/dev/sdh: open failed: No medium found
/dev/sdi: open failed: No medium found
done
```