Date: Thu, 09 May 2013 13:38:40 +0200 From: keramida@ceid.upatras.gr (Giorgos Keramidas) To: Joshua Isom <jrisom@gmail.com> Cc: freebsd-questions@freebsd.org Subject: Re: ZFS on MBR does not boot at all Message-ID: <67um8rk3n88jsv.fsf@saturn.laptop> In-Reply-To: <5186E3B1.80207@gmail.com> (Joshua Isom's message of "Sun, 05 May 2013 17:56:49 -0500") References: <CAO%2BPfDeyQ16aXEV1P6ACAE7=sbn%2Bm_-j2c5fV1YmqV8ds6cejw@mail.gmail.com> <CAO%2BPfDdnssETKQHVBAPv60waaXhHNZj7r-f53VNh%2Bh99=3LOPQ@mail.gmail.com> <67um8rwqrdrxes.fsf@saturn.laptop> <5186E3B1.80207@gmail.com>
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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 you >> add if first, before your swap partition. >> >> Cheers, >> Giorgos > > What? I've been using this set up for years. > > => 34 976773101 ada1 GPT (465G) > 34 128 1 freebsd-boot (64k) > 162 8388608 2 freebsd-swap (4.0G) > 8388770 968384365 3 freebsd-zfs (461G) > > => 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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