Whole disk ZFS or -a4k partition

[Alexandr]

04.07.2013 00:39, Xin Li пишет:
> On 07/03/13 14:30, Jeremy Chadwick wrote:
> > On Wed, Jul 03, 2013 at 02:26:10PM -0700, Xin Li wrote:
> >> -----BEGIN PGP SIGNED MESSAGE----- Hash: SHA512
> >>
> >> On 07/03/13 13:20, Warren Block wrote:
> >>> On Wed, 3 Jul 2013, Jeremy Chadwick wrote:
> >>>> On Wed, Jul 03, 2013 at 04:16:06PM +0300, Alexandr wrote:
> >>>>>>
> >>>>> Thank you for your explain. I'll try it soon and post my
> >>>>> results. One thing - I can't use gpt-disks because off my
> >>>>> laptop's bios (Lenovo Thinkpad E530) cannot boot it, only
> >>>>> mbr-style.
> >>>>
> >>>> You can use GPT with a BIOS that only supports MBR (in other
> >>>> words, you do not need UEFI to boot from GPT). FreeBSD's
> >>>> boot blocks are intelligent in this regard.
> >>>
> >>> Yes. However, the Thinkpad BIOS is not intelligent about GPT:
> >>>
> >>> http://forums.freebsd.org/showthread.php?t=26759&highlight=UEFI+GPT
> >>>
> >>>
> >>
> >>>
> http://www.dec.sakura.ne.jp/~junchoon/machine/freebsd-e.html
> >>
> >> Not true. My Lenovo T530 boots fine with GPT after a BIOS
> >> upgrade and choosing "legacy" in the EFI boot options.
>
> > The issue Warren listed off is specific to the Lenovo T420. It
> > does not happen on the T430, nor later models (this is further
> > confirmed by the last person posting in the thread). Models prior
> > to the T420 may also have the same problem (speculative / I do not
> > know for certain).
>
> > I interpreted what Warren was saying to mean "yes it works, but
> > some models of laptops/hardware don't work with it".
>
> Ah Ok, did Lenovo released new BIOS/EFI updates for the older models?
> IIRC some of their consumer series also share this issue by the way.
>

I can confirm, that my laptop with latest bios (2.52 from 04/23/2013)
can boot from gpt. A half-year ago it couldn't.