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)
prev parent reply other threads:[~2008-07-30 10:31 UTC|newest]
Thread overview: 5+ messages / expand[flat|nested] mbox.gz Atom feed top
[not found] <1217327479.2812.24.camel@localhost.localdomain>
2008-07-29 10:31 ` Deep thinking about the Wear-leveling mothed xiaochuan-xu
2008-07-30 6:22 ` Artem Bityutskiy
[not found] ` <1217409842.2786.1.camel@localhost.localdomain>
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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