From: "Artem B. Bityutskiy" <dedekind@yandex.ru>
To: Valdis.Kletnieks@vt.edu
Cc: Pavel Machek <pavel@ucw.cz>, J Engel <joern@wohnheim.fh-wedel.de>,
Peter Menzebach <pm-mtd@mw-itcon.de>,
linux-kernel <linux-kernel@vger.kernel.org>
Subject: Re: data loss on jffs2 filesystem on dataflash
Date: Thu, 22 Sep 2005 21:03:49 +0400 [thread overview]
Message-ID: <4332E3F5.3040905@yandex.ru> (raw)
In-Reply-To: <200509221646.j8MGkYo3017314@turing-police.cc.vt.edu>
Valdis.Kletnieks@vt.edu wrote:
> On Thu, 22 Sep 2005 14:48:39 +0400, "Artem B. Bityutskiy" said:
>
>>Joern meant that if HDD starts a block write operation, it will
>>accomplish it even if power-fail happens (probably there are some
>>capacitors there). So, it is impossible, say, that HDD has written one
>>half of a sector and has not written the other half.
>
> Hard drives contain capacitors to prevent writing of runt sectors on
> a powerfail? Didn't we go around this a while ago and decide it's mostly
> urban legend, and that plenty of people have seen runt/bad sectors?
No idea. But theoretically it should be so, at least "good" drives
should. May be a competent person will comment on this, that's quite
interesting.
--
Best Regards,
Artem B. Bityuckiy,
St.-Petersburg, Russia.
next prev parent reply other threads:[~2005-09-22 17:03 UTC|newest]
Thread overview: 12+ messages / expand[flat|nested] mbox.gz Atom feed top
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2005-09-20 12:55 ` data loss on jffs2 filesystem on dataflash Artem B. Bityutskiy
2005-09-20 13:32 ` Jörn Engel
2005-09-20 14:11 ` Artem B. Bityutskiy
2005-09-21 19:07 ` Pavel Machek
2005-09-22 10:48 ` Artem B. Bityutskiy
2005-09-22 16:46 ` Valdis.Kletnieks
2005-09-22 17:03 ` Artem B. Bityutskiy [this message]
2005-09-22 17:22 ` linux-os (Dick Johnson)
2005-09-22 18:43 ` jscottkasten
2005-09-23 8:51 ` Jörn Engel
2005-09-22 11:34 ` Jörn Engel
2005-09-22 11:54 ` Jörn Engel
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