Creating a bootable ZFS disk?

[Warren Block]

On Sun, 28 Dec 2014, Dr Josef Karthauser wrote:

> On 27 Dec 2014, at 22:57, Warren Block <wblock at wonkity.com> wrote:
>
>> On Sat, 27 Dec 2014, Dr Josef Karthauser wrote:
>>
>>> I only have 'zfs_load=?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!

Alignment alone should not have fixed it.  While misaligned drives give 
poor performance, they should still work.