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Message-ID: <20080402142245.GA18017@logfs.org>
Date:	Wed, 2 Apr 2008 16:22:45 +0200
From:	Jörn Engel <joern@...fs.org>
To:	Tomasz Chmielewski <mangoo@...g.org>
Cc:	Artem Bityutskiy <dedekind@...dex.ru>,
	LKML <linux-kernel@...r.kernel.org>, penberg@...helsinki.fi,
	ext-adrian.hunter@...ia.com, jwboyer@...il.com, w@....eu,
	"H. Peter Anvin" <hpa@...or.com>
Subject: Re: UBIFS vs Logfs (was [RFC PATCH] UBIFS - new flash file system)

On Wed, 2 April 2008 16:17:25 +0200, Tomasz Chmielewski wrote:
> 
> [1] Well, it didn't die, really. Once I removed the file which was 
> showing I/O errors and did "dd if=/dev/zero of=bigfile", there are no 
> badblocks anymore - probably remapped.

Could have been soft errors.  Heaven knows how those devices report
uncorrectable errors, but claiming the block to be bad is a good guess.
Once blocks with uncorrectable errors are rewritten (the physical
blocks, not what the device reports), they are perfectly usable again.

Jörn

-- 
They laughed at Galileo.  They laughed at Copernicus.  They laughed at
Columbus. But remember, they also laughed at Bozo the Clown.
-- unknown
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