boot code compatibility with ZFS

[Ali Mashtizadeh]

Yes the code includes support for raidz2.

On Sat, Mar 27, 2010 at 6:09 PM, Aristedes Maniatis <ari at ish.com.au> wrote:
> On 28/03/10 11:47 AM, Dan Naumov wrote:
>>>
>>> FreeBSD 7.1: ZFS version 6, no ZFS boot capability
>>> FreeBSD 7.2: ZFS version 6, zfsboot only, boot from single vdev pool only
>>> FreeBSD 7.3: ZFS version 13, zfsboot broken, no ZFS boot capability
>>>
>>> FreeBSD 8.0: ZFS version 13, gptzfsboot and zfsboot, boot from mirrored
>>> pool
>>> or single vdev, RAIDZ not supported, degraded pool not supported
>>
>> I am not really sure what gives you the idea that booting off a
>> degraded pool is not supported in 8.0. I have a zfsroot/boot
>> configuration sitting on a mirror and I have tested yanking one drive
>> at a time (resulting in a degraded pool) and booting with only 1 disk
>> present and it worked just fine.
>>
>> - Sincerely,
>> Dan Naumov
>
> Ah, thanks for that. I just read that on one of the FreeBSD lists recently.
> Can't see the exact post now, but I'm happy to be wrong, perhaps that was an
> older limitation in a previous release.
>
> From Ali's comment, I guess we could add for the future release of 8.1:
>
> FreeBSD 8.1: ZFS version 13, gptzfsboot and zfsboot, boot from mirrored
> pool, RAIDZ or single vdev.
>
> Does that include RAIDZ2?
>
>
> I'm happy to write up my results for the wiki (although editing seems to be
> closed to only certain people), once I have some definitive answers for what
> is supported where. And hopefully there will be a 7.3p1 which restores ZFS
> booting ability.
>
>
> Regards
>
> Ari Maniatis
>
>
> --
> -------------------------->
> Aristedes Maniatis
> ish
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-- 
Ali Mashtizadeh
علی مشتی زاده