On Fri, May 26, 2023 at 02:14:16PM +0200, Frank Scheiner wrote: > As per `grub-install(8)`: > > ``` > grub-install copies GRUB images into boot/grub. > ``` > > As the call to `grub-install` is performed by `chroot` inside the root > FS of the new installation, I assume the FAT bootstrap partition is > already mounted as `/boot` at this time of the installation. I think > this happens after all data partitions were formatted earlier during the > Debian installation but before any files are installed. Thus making the > call succeed w/o an explicit boot device or target directory argument.
I am pretty sure /boot can NOT be fat since it has to store files from packages (like the kernel). /boot/grub on the other hand might be able to be fat. Similar to how you can have /boot/efi be fat on x86 but not /boot itself. -- Len Sorensen
