Re: 2.6.19 file content corruption on ext3

[Andrei Popa <andrei.popa@i-neo.ro>]

On Mon, 2006-12-18 at 14:45 -0800, Linus Torvalds wrote:
> 
> On Mon, 18 Dec 2006, Alessandro Suardi wrote:
> > 
> > No idea whether this can be a data point or not, but
> > here it goes... my P2P box is about to turn 5 days old
> > while running nonstop one or both of aMule 2.1.3 and
> > BitTorrent 4.4.0 on ext3 mounted w/default options
> > on both IDE and USB disks. Zero corruption.
> > 
> > AMD K7-800, 512MB RAM, PREEMPT/UP kernel,
> > 2.6.19-git20 on top of up-to-date FC6.
> 
> It _looks_ like PREEMPT/SMP is one common configuration.
> 
> It might also be that the blocksize of the filesystem matters. 4kB 
> filesystems are fundamentally simpler than 1kB filesystems, for example. 
> You can tell at least with "/sbin/dumpe2fs -h /dev/..." or something.
> 
> Andrei - one thing that might be interesting to see: when corruption 
> occurs, can you get the corrupted file somehow? And compare it with a 
> known-good copy to see what the corruption looks like?

the corrupted file has a chink full with zeros

http://193.226.119.62/corruption0.jpg
http://193.226.119.62/corruption1.jpg



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