On Mon, 11 Nov 2013 13:52:23 -0500 Justin Piszcz <jpiszcz@xxxxxxxxxxxxxxx> wrote: > > 4- Linux or SSD bug on trim, such as trimming wrong offsets killing live > > data > > 5- MD does not lock regions during check so returns erroneous mismatches for > > areas being written. This would be harmless but your mismatches number seems > > to high to me for this. > I wonder if this could be it. I cannot promise that my code is bug free, but if it wasn't getting this locking correct, that would be a very serious bug. I think this possibility is quite unlikely. NeilBrown
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