On Fri, 16 Dec 2016, Eric van Gyzen wrote:
On 12/16/2016 11:39, Slawa Olhovchenkov wrote:
On Fri, Dec 16, 2016 at 06:08:34PM +0100, Fernando Herrero Carr?n 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.
Thanks in advance for your help.
I am also interesting by this case.
I think expand freebsd-boot to about 1M (size of /boot/boot1.efifat),
dding /boot/boot1.efifat and set to type to 'efi' may be enough. I am
never tried this.
I expect that would work. It's slightly risky, though, since it doesn't let you
fall back to BIOS boot if EFI doesn't work.
Eric
I would shrink ada0p1 down to 128K (size of gptzfsboot = 88K now) and
place efi partition (~800K) on free space between new p1 and p2. No need
to touch swap partition.
A.
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