Mailinglist Archive: opensuse-factory (286 mails)

["Tim Serong" <tserong@xxxxxxxxxx>]

On 8/16/2010 at 07:11 PM, Jean-Daniel Dodin <jdd@xxxxxxxxx> wrote: 
> Le 16/08/2010 00:33, Linda Walsh a écrit : 
>  
> >     That's because they overwrote them, then pulled the plug before 
> > the new data could be written. 
>  
> but a journaled file system is specially made to make this harmless. and 
> at the boot ntime, lost operations are "replayed" to correct things. i'm 
> pretty sure xfs do this also. 

XFS only journals metadata, not regular user data inside files.  But anyway,
the "NULL files" problem was fixed about three years ago:

http://git.kernel.org/?p=linux/kernel/git/torvalds/linux-2.6.git;a=commit;h=ba87ea699ebd9dd577bf055ebc4a98200e337542

See also:

http://xfs.org/index.php/XFS_FAQ#Q:_Why_do_I_see_binary_NULLS_in_some_files_after_recovery_when_I_unplugged_the_power.3F

Regards,

Tim


-- 
Tim Serong <tserong@xxxxxxxxxx>
Senior Clustering Engineer, OPS Engineering, Novell Inc.


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