Here is the log
[^[[0;32m OK ^[[0m] Mounted ^[[0;1;39m/home^[[0m.
[^[[0;32m OK ^[[0m] Started ^[[0;1;39mFile System Check on
/dev/disk/by-uuid/B2EF-0CE4^[[0m.
[^[[0;32m OK ^[[0m] Mounted ^[[0;1;39m/tmp^[[0m.
[^[[0;32m OK ^[[0m] Mounted ^[[0;1;39m/usr/local^[[0m.
[^[[0;32m OK ^[[0m] Started ^[[0;1;39mFile System Check on /dev/sda4^[[0m.
Mounting ^[[0;1;39m/boot/efi^[[0m...
Mounting ^[[0;1;39m/home/pdupre/archives^[[0m...
[^[[0;1;31mFAILED^[[0m] Failed to mount ^[[0;1;39m/boot/efi^[[0m.
See 'systemctl status boot-efi.mount' for details
[^[[0;1;33mDEPEND^[[0m] Dependency failed for ^[[0;1;39mLocal File Systems^[[0m.
Starting ^[[0;1;39mRestore /run/initramfs on shutdown^[[0m...
The partition /boot/efi is actually
/dev/disk/by-uuid/B2EF-0CE4
This is bizarre, it mounts perfectly well from the other boot
I cannot run
systemctl status boot-efi.mount
===========================================================================
Patrick DUPRÉ | | email: pdu...@gmx.com
Laboratoire interdisciplinaire Carnot de Bourgogne
9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
Tel: +33 (0)380395988
===========================================================================
> Sent: Tuesday, June 25, 2019 at 1:42 PM
> From: "Patrick Dupre" <pdu...@gmx.com>
> To: fedora <users@lists.fedoraproject.org>
> Subject: Cannot boot after 2nd install
>
> Hello,
>
> I have a fedora which was running fine fine on /dev/sdb (/boot/efi on
> /dev/sdb1)
> Then I install a new fedora 30 on /dev/sda6 (also with /boot/efi on /dev/sdb1)
> When I rebooted, the "old" machine did not show up (at grub), then I run
> grub2-mkconfig -o /boot/efi/EFI/fedora/grub.cfg
> Now "old" machine is recognized at grub, but I get an error at the boot time
> I cannot even run a command line (like system*)
> Actually, I get
> Failed to mount /boot/efi
> Should I run:
> grub2-install /dev/sda
> or
> grub2-install /dev/sdb
>
> Also, when booting (before grub), I have
> options
> /EFI/BOOT/BOOTx64.EFI (this on let be boot on the new install)
> /EFI/fedora/grub.cfg
> /EFI/fedora/shimx64.efi
>
> Which one should I use preferentially?
>
> Thank
>
> ===========================================================================
> Patrick DUPRÉ | | email: pdu...@gmx.com
> Laboratoire interdisciplinaire Carnot de Bourgogne
> 9 Avenue Alain Savary, BP 47870, 21078 DIJON Cedex FRANCE
> Tel: +33 (0)380395988
> ===========================================================================
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