On Mon, Jul 6, 2020 at 5:30 PM Samuel Sieb <sam...@sieb.net> wrote:
> On 7/6/20 4:24 PM, Adam Williamson wrote:
> > If you mean the EFI boot manager entry, just renaming the existing one
> > something other than "Fedora" ought to do the trick, I think. So far as
> > /boot/efi goes...well, you have two choices. You can have the two
> > installs share one, or have two separate ones. I *think* both options
> > at least in theory ought to work, I'm not sure if anyone's tested...
> Adding another EFI partition should work, but I don't see how they could
> share one.  There's a single Fedora directory in there, so each install
> would overwrite the files of the other.  The grub.cfg can only point to
> one set of boot loader entries.

And that means sharing one ESP means sharing /boot - yeah. Hmm. I'll
have to test it but I'm pretty sure it's a fairly simple post-install
fix to get that to work. I'm not totally certain how blscfg.mod parses
/boot/loader/entries containing bls snippets with two machine IDs.

Ohhhh I just thought of something. F32 and older depend on grubenv to
store part of the kernel command line variables. So I think it will be
necessary to do an F32 F33 side by side install for it to work. Two
F32's side by side will compete over the single grubenv.

Chris Murphy
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