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From: Artem Bityutskiy <dedekind@infradead.org>
To: xiaochuan-xu <xiaochuan-xu@cqu.edu.cn>
Cc: linux-mtd <linux-mtd@lists.infradead.org>
Subject: Re: Deep thinking about the Wear-leveling mothed
Date: Wed, 30 Jul 2008 13:25:58 +0300	[thread overview]
Message-ID: <1217413558.9048.36.camel@sauron> (raw)
In-Reply-To: <1217409842.2786.1.camel@localhost.localdomain>

On Wed, 2008-07-30 at 17:24 +0800, xiaochuan-xu wrote:
> On Wed, 2008-07-30 at 09:22 +0300, Artem Bityutskiy wrote:
> > Also, I am not sure it is save to erase one eraseblock several million
> > times and do not erase neighbor eraseblocks. There are "radiation"
> > effects in some flashes, when unused eraseblocks slowly "rot" when
> > their
> > neighbor eraseblocks are used a lot.
> 
> I'm sorry but I'm not understand this clearly.

In this particular case I meant AG-AND flashes. They had "radiation"
effect, which means if you have 2 eraseblocks A and B, and you change A
a lot, but do not change B, B may become corrupted at some point.

P.S. I have not idea if these flashes are still produced/used.

-- 
Best regards,
Artem Bityutskiy (Битюцкий Артём)

      parent reply	other threads:[~2008-07-30 10:31 UTC|newest]

Thread overview: 5+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2008-07-29 10:31 Deep thinking about the Wear-leveling mothed xiaochuan-xu
2008-07-29 10:31 ` xiaochuan-xu
2008-07-30  6:22 ` Artem Bityutskiy
2008-07-30  9:24   ` xiaochuan-xu
2008-07-30  9:24     ` xiaochuan-xu
2008-07-31  0:02       ` Iwo Mergler
2008-07-30 10:25     ` Artem Bityutskiy [this message]

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