1) LVM on top of /dev/vda[1] device (with failed grub-install run).
2) LVM on top of /dev/sda[1] device (without grub-install run).
3) LVM on top of /dev/sda[1] device (with successful grub-install run).
Name: debconf/priority -> medium in (1) and nothing in (2) and (3).
Name: grub-installer/bootdev -> /dev/mapper in (1) due to previous comments.
Name: grub-installer/only_debian -> true in (2) and (3).
I've got 3 installation questions files:
1) LVM on top of /dev/vda[1] device (with failed grub-install run).
2) LVM on top of /dev/sda[1] device (without grub-install run).
3) LVM on top of /dev/sda[1] device (with successful grub-install run).
Differences between (1) and (2):
https:/ /pastebin. ubuntu. com/p/scJXH3kTq M/
Differences between (1) and (3):
https:/ /pastebin. ubuntu. com/p/6dB2yzsqM d/
Being most important ones:
Name: debconf/priority -> medium in (1) and nothing in (2) and (3). bootdev -> /dev/mapper in (1) due to previous comments. only_debian -> true in (2) and (3).
Name: grub-installer/
Name: grub-installer/