Re: ZFS: i/o error - all block copies unavailable after upgradin


On 09/11/11 13:31, Peter Jeremy wrote:
> On 2011-Sep-11 11:31:54 +0300, Andriy Gapon<avg@FreeBSD.org>  wrote:
>> And I am actually wondering about -fno-unit-at-a-time option.
>> In my opinion this is an anti-optimization option and it can actually increase
>> a size of a final binary.  In fact, it looks like the option was introduced to
>> boot2 in r132870 in the year 2004, way before GCC 4.X switch, and it was
>> introduced to avoid some optimizations that produced broken code.
>> I wonder if there is any reason to keep using that option now.
>
> In any case, size isn't an issue for any of gptboot, gptzfsboot or
> zfsboot (unlike boot2).  For that matter, why do we need both
> gptboot and gptzfsboot?  It would be more convenient to have a
> single GPT bootstrap that handled both UFS&  ZFS.
>

It would be much more convenient, and also simplify adding installation 
onto ZFS partitions in the installer significantly.
-Nathan
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