[Bugs] [Bug 1416321] read error: Input/ output error but not in brain split stat while file on bricks has different sizes

[bugzilla at redhat.com]

https://bugzilla.redhat.com/show_bug.cgi?id=1416321

Kotresh HR <khiremat at redhat.com> changed:

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--- Comment #11 from Kotresh HR <khiremat at redhat.com> ---

> 
> Kotresh,
>    Do you suspect there to be any issue?

Bitrot versions can be different for different replica bricks. It can happen if
one of brick goes down and the I/O happens. In that case, bit-rot version would
increase on the brick which is up. If multiple writes happen, the version keeps
incrementing on it. Now when the brick which is down comes up, AFR would heal
it at one shot, incrementing the version only once. So even though the data is
consistent, the versions can differ. But the signature should be consistent
across replicas.

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