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Re: [Bug-ddrescue] 10KB/sec data recovery rates - possible cause?


From: Paul L Daniels
Subject: Re: [Bug-ddrescue] 10KB/sec data recovery rates - possible cause?
Date: Sat, 22 Jun 2013 01:09:04 +1000


> No. Ddrescue doesn't do anything special at the start. The cause must
> be somewhere else. Maybe something in the drive cools down when not
> in use. (Just guessing).

It's very strange, that is for sure.  I wonder if it's something in the
Kernel?  Because even if I take away the 1 second delay it still works
with the improved rate.


I updated my ddrescue line though to deal with the situation where I
might find bad blocks during the read (a very real thing).

  ddrescue -i ${RECOVERY_SIZE}M -T 20 -v -f -s 1M /dev/sdd img log




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