Date: Fri, 16 Dec 2016 20:39:30 +0300 From: Slawa Olhovchenkov <slw@zxy.spb.ru> To: Fernando Herrero =?utf-8?Q?Carr=C3=B3n?= <elferdo@gmail.com> Cc: freebsd-stable <freebsd-stable@freebsd.org> Subject: Re: Upgrading boot from GPT(BIOS) to GPT(UEFI) Message-ID: <20161216173930.GD90401@zxy.spb.ru> In-Reply-To: <CAMwkeZznenmN1RkUaKZ7i12F0FA185ZH%2BcHPXUp56S8j3SrubQ@mail.gmail.com> References: <CAMwkeZznenmN1RkUaKZ7i12F0FA185ZH%2BcHPXUp56S8j3SrubQ@mail.gmail.com>
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On Fri, Dec 16, 2016 at 06:08:34PM +0100, 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. > > 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.
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