Re: Grub menu entry for a system on a second drive.
On 25 Oct 2024 08:26:21 -0700
peter@easthope.ca wrote:
> From: David Wright <deblis@lionunicorn.co.uk>
> Date: Thu, 24 Oct 2024 22:22:19 -0500
> > So you've got a stable/testing/unstable system on hd1?
>
> hd1 has Void Linux. They don't use the stable/testing/unstable
> terminology.
>
> > And a 14-month old bullseye system on hd0, which is currently
> > running?
>
> Yes.
> root@imager:~# cat /etc/debian*
> 11.11
>
> > The system has booted into a bookworm Grub (deb12u1).
>
> I don't understand. To my understanding, booted into Debian 11 on
> hd0.
>
> A new-to-me detail is hd0 having FAT and hd1 having GPT.
> According to this, OK for Grub2.
> https://www.gnu.org/software/grub/manual/grub/grub.html#BIOS-installation
Modern drives use GPT partitioning, and modern computers generally have
UEFI firmware rather than BIOS. The EFI partition *must* be one of the
FAT family, for any OS using UEFI.
--
Joe
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