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SubjectRe: Errors and later panics in 2.6.0-test11.
Nathan Scott wrote:

>>The problem I reported was also with RAID-5, and I have also found a
>>problem similar to Nathan's (probably the same one) by just trying to
>>run bonnie++ on an XFS filesystem on DM over RAID-5, even after
>>formatting the XFS filesystem to forcibly align everything to RAID-5
>>stripes (64K units).
>
>
> FWIW, this doesn't align _everything_ (space allocations done
> through the XFS allocator are influenced, which means "most")
> -- log IO is still going to be sector aligned, as are any IOs
> to the four XFS allocation group header metadata structures.

OK, I thought that "-l sunit=..." being set to a block-size multiple
would take care of that as well, but apparently not.

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