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From: Dr Josef Karthauser <joe@karthauser.co.uk>
To: Warren Block <wblock@wonkity.com>
Subject: Re: Creating a bootable ZFS disk?
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Date: Sun, 28 Dec 2014 19:54:23 +0000
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Cc: "freebsd-stable@freebsd.org" <freebsd-stable@freebsd.org>,
 Steven Hartland <steven@multiplay.co.uk>
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On 28 Dec 2014 at 7:44:29 pm GMT, Warren Block <wblock@wonkity.com> =
wrote:
   =20
> On Sun, 28 Dec 2014, Dr Josef Karthauser wrote:
>=20
> > 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?t aligned!
>=20
> Alignment alone should not have fixed it.  While misaligned drives =
give poor performance, they should still work.

Alas, they weren't. I tried several times with differing pool =
configurations.

Joe