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ddrescue [2013/08/01 10:07] (current)
beandog created
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 +====== GNU ddrescue ======
  
 +  * [[Ripping DVDs]]
 +  * [[pv]]
 +  * [[http://​www.gnu.org/​software/​ddrescue/​ddrescue.html|GNU ddrescue homepage]]
 +
 +I prefer to use ''​ddrescue''​ to rip DVDs for a couple of reasons: it skips over bad blocks, and it gives me good output of the read / write speeds.
 +
 +Here is a sample of ripping a DVD.  Note that the arguments are required for when it comes to DVDs.
 +
 +<​code>​
 +ddrescue -b 2048 -n /dev/dvd dvd.iso
 +</​code>​
 +
 +''​ddrescue''​ can also resume a rip if you keep a logfile. ​ The filename is passed as the third argument.
 +
 +<​code>​
 +ddrescue -b 2048 -n /dev/dvd dvd.iso dvd.log
 +</​code>​
 +
 +When ripping some DVDs, there is a chance it will skip over some blocks it can't access. ​ In my case, so far, I've only seen it skip over one or two sectors. ​ If it's doing more than that, it's probably having trouble accessing the drive in general.

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