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From: Artem Bityutskiy <dedekind1@gmail.com>
To: Ricard Wanderlof <ricard.wanderlof@axis.com>
Cc: "linux-mtd@lists.infradead.org" <linux-mtd@lists.infradead.org>
Subject: Re: Mean Time Between Failure - UBI clarifications
Date: Fri, 25 Feb 2011 14:45:21 +0200	[thread overview]
Message-ID: <1298637921.2798.108.camel@localhost> (raw)
In-Reply-To: <Pine.LNX.4.64.1102251339360.2784@lnxricardw.se.axis.com>

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)

  reply	other threads:[~2011-02-25 12:46 UTC|newest]

Thread overview: 7+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2011-02-24 12:39 Mean Time Between Failure - UBI clarifications Navaneethan P
2011-02-24 14:04 ` Ricard Wanderlof
2011-02-25 12:36   ` Artem Bityutskiy
2011-02-25 12:40     ` Ricard Wanderlof
2011-02-25 12:45       ` Artem Bityutskiy [this message]
2011-02-28 15:22   ` Navaneethan P
2011-02-28 15:32     ` Ricard Wanderlof

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