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From: Dr Josef Karthauser <joe@karthauser.co.uk>
To: Dr Josef Karthauser <joe@karthauser.co.uk>
Subject: Re: Creating a bootable ZFS disk?
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Date: Sun, 28 Dec 2014 18:15:46 +0000
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Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>,
 Steven Hartland <killing@multiplay.co.uk>
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On 28 Dec 2014 at 5:30:23 pm GMT, Dr Josef Karthauser =
<joe@karthauser.co.uk> wrote:
   =20
> On 28 Dec 2014 at 4:53:59 pm GMT, Steven Hartland =
<killing@multiplay.co.uk> wrote:
>    =20
> > On 28/12/2014 07:36, Dr Josef Karthauser wrote:
> > > On 27 Dec 2014, at 22:57, Warren Block <wblock@wonkity.com> wrote:
> > >
> > >> On Sat, 27 Dec 2014, Dr Josef Karthauser wrote:
> > >>
> > >>> I only have 'zfs_load=3D?YES?? in my /boot/loader.conf. I?m =
hoping the problem is that I missed the ?-a4k? on the ?gpart add?. I?m =
starting again and will report back whether it now works or not! :).
> > >> Misalignment just makes for slow performance, particularly on =
writes.
> > >>
> > > Ok, fixed. With -a4k is it now booting. Looks like the partitions =
weren=E2=80=99t aligned!
> > >
> > > As to whether they ought to be aligned by default, this box is on =
a slightly older version:
> > >
> > >    10.0-RELEASE-p7 FreeBSD 10.0-RELEASE-p7 #0: Tue Jul  8 06:37:44 =
UTC 2014
> > >
> > > so perhaps that=E2=80=99s been fixed since.
> > >
> > > Many thanks folk for your help!
> > >
> > Would you mind testing to see if this is indeed fixed in 10.1 or =
current?
> >=20
> > Would be good to ensure this is actually fixed?
> >=20
>=20
> Grr. I've just updated to 10.1 and now my ata controllers are erroring =
like crazy! Luckily booting kernel.old works.
>=20
> We're there issues with 10.1?=20
>=20

For reference this previously reported problem is what I am also seeing:

=
http://lists.freebsd.org/pipermail/freebsd-stable/2014-November/081136.htm=
l

Things were stable and fine under 10.0 but quite quickly borked under =
10.1

Joe