Mean Time Between Failure - UBI clarifications

Artem Bityutskiy dedekind1 at
Fri Feb 25 07:45:21 EST 2011

On Fri, 2011-02-25 at 13:40 +0100, Ricard Wanderlof wrote:
> On Fri, 25 Feb 2011, Artem Bityutskiy wrote:
> > On Thu, 2011-02-24 at 15:04 +0100, Ricard Wanderlof wrote:
> >> I don't know about UBI, someone else probably does.
> >
> > No, UBI does not collect bit-flips statistics. It could be changed
> > though, someone could send a patch.
> But don't bit flips eventually trigger bit scrubbing in UBI?

Yes, they do, but after scrubbing we forget about them.

But we could store the bit-flips counter in UBI headers, so "paranoid"
users could get per-eraseblock bit-flips count.

Best Regards,
Artem Bityutskiy (Артём Битюцкий)

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