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To: Robert Noland <rnoland@FreeBSD.org>
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Cc: freebsd-fs@freebsd.org, Matt Reimer <mattjreimer@gmail.com>,
	freebsd-current@freebsd.org
Subject: Re: GPT boot with ZFS RAIDZ "ZFS: i/o error - all block copies
	unavailable"
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Stefan Esser napsal(a):
> On 13.11.2009 15:25, Robert Noland wrote:
>   
>> I think we have missed the boat, but I'll talk to re@ and see if we
>> can get it in.
>>     
>
> The patch fixed GPT/ZFS booting for me, too. It would be good to have
> it in 8.0 (since it is definitely required to boot from ZFS pools with
> non-trivial sizes), and does not affect anybody not trying to boot
> this way. OTOH, it since you cannot just install FreeBSD on pure ZFS
> from sysinstall, it might be sufficient to prominently warn about this
> problem and point at the required patch, to prevent foot-shooting.
>
> But having this patch that has been successfully tested by a number
> of people that suffered from the GPT/ZFS boot problem looks highly
> preferable to me ...
>
> Regards, STefan
>   
I can confirm that the patch is working for me too, and I'm able now to 
boot from raidz/raidz2 pool after rewriting loader.conf/loader/kernel. I 
agree with Stefan, having it in 8.0-RELEASE would be good, catch the boat :)

Big thnx to Matt, great work from all.