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Date: Wed, 3 Jul 2013 14:20:04 -0600 (MDT)
From: Warren Block <wblock@wonkity.com>
To: Jeremy Chadwick <jdc@koitsu.org>
Subject: Re: Whole disk ZFS or -a4k partition
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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