On Fri, 16 Dec 2016, Eric van Gyzen wrote:
On 12/16/2016 11:08, Fernando Herrero Carrón wrote:
Hi everyone,
A few months ago I got myself a new box and I have been happily running
FreeBSD on it ever since. I noticed that the boot was not as fast as I had
expected and I've realized that, while my disk is GPT partitioned, the boot
process is still BIOS based:
% gpart show
=> 34 976773101 ada0 GPT (466G)
34 6 - free - (3.0K)
40 1024 1 freebsd-boot (512K)
1064 984 - free - (492K)
2048 67108864 2 freebsd-swap (32G)
67110912 909662208 3 freebsd-zfs (434G)
976773120 15 - free - (7.5K)
I am reading uefi(8) and it looks like FreeBSD 11 should be able to boot
using UEFI straight into ZFS, so I am thinking of converting that
freebsd-boot partition to an EFI partition, creating a FAT filesystem and
copying /boot/boot.efi there.
How good of an idea is that? Would it really be that simple or am I missing
something? My only reason for wanting to boot with UEFI is faster boot,
everything is working fine otherwise.
I would recommend creating another partition for EFI instead of replacing your
freebsd-boot partition, in order to have a working fallback in case EFI boot
doesn't work. You would need to steal some space from your swap partition.
Be aware that some newer Dells really don't like to have both and will
refuse to boot in either mode with such a setup.
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