AW: AW: AW: AW: AW: ZFS: Corrupted pool metadata after adding vdev to a pool - no opportunity to rescue data from healthy vdevs? Remove a vdev? Rewrite metadata?

[Volodymyr Kostyrko]

18.09.2012 16:14, Gary Palmer wrote:
>> Please understand me correctly, this is only my point of view on the
>> problem as I never saw any tests that show difference between correct
>> alignment of _partitions_ and alignment on _records_ on ZFS. This area
>> is not thoroughly covered with test data.
>
> I seem to recall that people made 4 kilobyte aligned partitions on
> advanced format drives without doing the gnop trick and still
> suffered worse performance than when they did the gnop trick to make
> ashift=12.  Check the list archives.
>
> If you believe there is insufficient testing here and are saying that
> conventional wisdom regarding this is wrong, it is resonable to request
> that you prove your position.

I have one of the first 4k drives yet it's not yet available for 
testing. I'm planning to rerun tests on it when it will be available.

-- 
Sphinx of black quartz judge my vow.