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Date:      Thu, 9 May 2013 15:36:49 +0200
From:      uki <ukaszg@gmail.com>
To:        freebsd-questions@freebsd.org
Subject:   Re: ZFS on MBR does not boot at all
Message-ID:  <CAN_VB4Wp6tUbtD=Q2fSmM4UEQtABYdNBULQU7RXORdOSKTWcKw@mail.gmail.com>
In-Reply-To: <67um8rk3n88jsv.fsf@saturn.laptop>
References:  <CAO+PfDeyQ16aXEV1P6ACAE7=sbn+m_-j2c5fV1YmqV8ds6cejw@mail.gmail.com> <CAO+PfDdnssETKQHVBAPv60waaXhHNZj7r-f53VNh+h99=3LOPQ@mail.gmail.com> <67um8rwqrdrxes.fsf@saturn.laptop> <5186E3B1.80207@gmail.com> <67um8rk3n88jsv.fsf@saturn.laptop>

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I had to set up ZFS on MBR lately.
Since I'm lazy I wrote a script for that.
Maybe it would suit your needs (it's very simple though).
https://bitbucket.org/ukaszg/freebsd-zfs-on-mbr-installer


2013/5/9 Giorgos Keramidas <keramida@ceid.upatras.gr>:
> On Sun, 05 May 2013 17:56:49 -0500, Joshua Isom <jrisom@gmail.com> wrote:
>> On 5/5/2013 3:20 PM, Giorgos Keramidas wrote:
>>> Hi David,
>>>
>>> Thanks for following up with what the real problem was.  I updated the
>>> Wiki to include this:
>>>
>>>      Note that partition order is important. It seems that zfsboot
>>>      requires the freebsd-zfs partition to be the first, so make sure y=
ou
>>>      add if first, before your swap partition.
>>>
>>> Cheers,
>>> Giorgos
>>
>> What?  I've been using this set up for years.
>>
>> =3D>       34  976773101  ada1  GPT  (465G)
>>          34        128     1  freebsd-boot  (64k)
>>         162    8388608     2  freebsd-swap  (4.0G)
>>     8388770  968384365     3  freebsd-zfs  (461G)
>>
>> =3D>       34  976773101  ada2  GPT  (465G)
>>          34        128     1  freebsd-boot  (64k)
>>         162    8388608     2  freebsd-swap  (4.0G)
>>     8388770  968384365     3  freebsd-zfs  (461G)
>
> That's ok for GPT partitions.  The original post was about an MBR
> partition table.
>
> Some modern laptops (mine is one) do not boot successfully from a disk
> with a GPT partition scheme, unless the boot loader is EFI-capable
> (which ours isn't).  So you have to use an MBR-style partition table.
>
> In those cases the note is still useful to see.
>
>
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rg"



--=20
Pozdrawiam,
=C5=81ukasz Gruner



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