On Wed Sep 16, 2009 at 11:44:26AM +0200, Matthias Urlichs wrote:
> On Wed, 2009-09-16 at 12:31 +0300, Majed B. wrote:
> > I have a question which would probably sound stupid: If I have a bad
> > blocks output file from dd_rescue, can I reconstruct a bad sector's
> > data by reading the same sector from all disks (using dd if=/dev/sdx
> > of=./bbfix_#number bs=512 count=1 skip=bb_number-1), then run an
> > normal XOR operation, write zeros to the bad block to force sector
> > remap, then dd the XOR output to the said sector?
>
> Well, of course. Assuming that the disk's sector remap works, which was
> my problem, and that we're talking about RAID5.
>
And also assuming that the array starts from the same sector of each
disk.
Cheers,
Robin
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