Re: EXT3 way too happy with write errors

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On Thu 18-12-08 09:18:25, Simon Kirby wrote:
> > we spotted a write error in filesystem metadata. If we spotted an error
> > in data, we just complained but continued. This seems to be exactly the
> > thing you are hitting. Latest Linus's tree (i.e. 2.6.28-rc5 or so) should
> > have the patches that allow tuning the behavior in data=ordered mode - i.e.
> > you can tell the filesystem by data_err=abort and data_err=ignore option
> > whether it should abort the filesystem or ignore write error in fs data.
> 
> Cool, but one question.. Can you think of a case where anyone would ever
> want data_err=ignore?
> 
> Should this really be a knob?
  Originally, we changed the behavior unconditionally but then someone came
up with some reasonable argument why it should be tunable. I don't remember
it exactly, sorry :).

									Honza
-- 
Jan Kara <jack@xxxxxxx>
SUSE Labs, CR
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