On Thu, 25 Jun 2015 18:33:16 +0300 tlknv <tlknv@xxxxxxxxx> wrote: > I have just discovered that I had 'discard' mount option even though I though it wasn't there :-( > After removing 'discard' and forcing 'repair' mismatch_cnt stays 0 even after a bunch of writes and deletes (the most importantly) to the partition. I wouldn't recommend disabling discard 'for good' though, from your experiment we can probably conclude the mismatch_cnt numbers you had previously are indeed harmless. If you had no other issues due to discard being active, then what you did now is disable a working and useful feature to fix what's only a cosmetic problem. -- With respect, Roman
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