Solved – [15.0] – How to update boot code after “zpool upgrade -a” (efi)

loaders-update v1.2.1

One or more efi partition(s) have been found.

Examining nda0p1…
Efi partition nda0p1 is already mounted in /boot/efi.
Would run: cp /boot/loader.efi /boot/efi/efi/freebsd/loader.efi
Would run: cp /boot/loader.efi /boot/efi/efi/boot/bootx64.efi

One or more freebsd-boot partition(s) have been found.
The root file system is zfs.

Examining nda0…
The pmbr on this disk is up-to-date.
Would run: gpart bootcode -p /boot/gptzfsboot -i 2 nda0

——————————-
Your current boot method is UEFI.
Boot device: File(\EFI\FREEBSD\LOADER.EFI)
Updatable EFI loader: 2
Updatable BIOS loader: 1

Read more here: Source link