lkml.org 
[lkml]   [2005]   [Jun]   [29]   [last100]   RSS Feed
Views: [wrap][no wrap]   [headers]  [forward] 
 
Messages in this thread
/
Date
From
Subjecttorturing filesystems [was Re: reiser4 plugins]
Hi!

> > Alan, this is FUD. Our V3 fsck was written after everything else was,
> > for lack of staffing reasons (why write an fsck before you have an FS
> > worth using). As a result, there was a long period where the fsck code
> > was unstable. It is reliable now.
> >
> > People often think that our tree makes fsck less robust. Actually fsck
> > can throw the entire internal tree away and rebuild from leaf nodes, and
> > frankly that makes things pretty robust.
>
> I did a series of tests well after resier3 had fsck that consisted of
> modelling the behaviour of systems under error state. I modelled random
> bit errors, bit errors at a fixed offset (class ram failure), sector 4
> byte slip (known IDE fail case) and sectors going away.

Do you have that code somewhere? Best I could do was overwriting
random parts of partition with random data, you seem to have "more
interesting" failures...
Pavel
--
teflon -- maybe it is a trademark, but it should not be.
-
To unsubscribe from this list: send the line "unsubscribe linux-kernel" in
the body of a message to majordomo@vger.kernel.org
More majordomo info at http://vger.kernel.org/majordomo-info.html
Please read the FAQ at http://www.tux.org/lkml/

\
 
 \ /
  Last update: 2005-06-29 20:47    [W:0.496 / U:0.112 seconds]
©2003-2017 Jasper Spaans. hosted at Digital OceanAdvertise on this site