Re: [Bug-ddrescue] GNU ddrescue 1.18-pre1 released

[Paul L Daniels]

On Wed, 07 Aug 2013 16:05:19 +0200
Antonio Diaz Diaz <address@hidden> wrote:

> GNU ddrescue 1.18-pre1 is ready for testing here
> http://download.savannah.gnu.org/releases/ddrescue/ddrescue-1.18-pre1.tar.lz
> 
> The sha1sum is:
> 92cdd452fbdb31e0eb95623251a608474c85e5de  ddrescue-1.18-pre1.tar.lz
> 
> Please, test it and report any bugs you find.

Using gnuplot, I just wanted to demonstrate how well using the rate
data can show up a weak read zone, even if it's just for 1 second
across a 500GB drive, despite it not reporting a read error ( I've
found from experience that failing sectors usually aren't far off once
you start having weak/slow read zones )

   Compare - http://dxp.me/i/SG500.png
   to - http://dxp.me/i/SG500bad.png

Tested with---
~/ddrescue-1.18-pre1$ sudo ddrescue --log-rates=SG500rates.log -v
-f /dev/sdg /dev/null test1.log


Generated using---
# gnuplot
Terminal type set to 'wxt'
gnuplot> plot "SG500rates.log" using  2:3 with lines



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