debugfs question

Andreas Dilger adilger at sun.com
Wed Jul 2 07:28:53 UTC 2008


On Jun 28, 2008  23:50 +0300, Yamin, Yossi wrote:
> I am trying to read a file directly from the disk using debugfs utility.
> 
> I am running "stat" on the file I want, filter out IND and Bind blocks,
> and then copy the data blocks using dd directly from the Disk.
> 
> On small files it work'd (13MB).
> 
> On big files (3.5 , 440 GB)  the size is the same but md5sum get differ.
> 
> What am I doing wrong?

What you are doing wrong is that you aren't using the debugfs "dump"
command, which will do what you are trying to do.


Cheers, Andreas
--
Andreas Dilger
Sr. Staff Engineer, Lustre Group
Sun Microsystems of Canada, Inc.




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