Re: [Bug-ddrescue] Suggestion to improve recovery rate during splitting phase.

[kwb78]

Antonio Diaz Diaz wrote:
> 
> Oops! You are right. In version 1.14 ddrescue stopped marking as 
> bad-sector the first sector of a failed multi-sector read because the 
> kernel seems to return a total failure if some of the sectors are indeed 
> bad.
> 
> Now I have another interesting decision to make; should ddrescue try 
> first the (possibly many) non-split areas adjacent to good areas, or the 
> larger non-split areas flanked by bad sectors (if there is any)?
> 

In the testing I have been doing, starting ddrescue at a location next to a
known good area and working away from the good area resulted in successful
recovery of data every single time. I think that makes these areas good
candidates for checking before areas surrounded by bad sectors, simply
because the odds are that the sector next to a good sector will also be
good.
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