Re: About zfs upgrade

From: Nuno Teixeira <eduardo_at_freebsd.org>
Date: Sat, 16 Jul 2022 16:57:55 UTC
Hello Dimitry!

Thanks for the tips. zfs upgraded, bootcode updated and system working fine.

Cheers,

Nuno Teixeira

Dimitry Andric <dim@freebsd.org> escreveu no dia sábado, 16/07/2022 à(s)
17:17:

> On 16 Jul 2022, at 18:09, Nuno Teixeira <eduardo@freebsd.org> wrote:
> > I'm about to upgrade zfs pool and I need to know the command to update
> boot code on my efi config:
> > ---
> >  gpart show
> > =>        40  2000409184  nvd0  GPT  (954G)
> >           40      532480     1  efi  (260M)
> >       532520        2008        - free -  (1.0M)
> >       534528     8388608     2  freebsd-swap  (4.0G)
> >      8923136  1991485440     3  freebsd-zfs  (950G)
> >   2000408576         648        - free -  (324K)
> > ---
> > Handbook says:
> > gpart bootcode -p /boot/boot1.efifat -i 1 ada1
> >
> > Should I use:
> > gpart bootcode -p /boot/boot1.efifat -i 1 nvd0p1 ?
>
> For gpart, you should specify the base device, i.e. nvd0. The "-i 1"
> option indicates the partition.
>
> In any case, assuming FreeBSD 13 or later, you can just mount the EFI
> partition and copy loader.efi over:
>
> mount -t msdosfs /dev/nvd0p1 /mnt
> cp /mnt/efi/boot/bootx64.efi /mnt/efi/boot/bootx64.old
> cp /boot/loader.efi /mnt/efi/boot/bootx64.efi
>
> That way you could also revert to bootx64.old if things go wrong.
>
> -Dimitry
>
>