Hello Bill,
First of all, ddrescue 1.2 is ancient (2006). I guess you mean 1.21, or
1.20.
bill evergreen wrote:
I am trying to image a harddisk with defect sectors. When the system tries
to read the bad sectors, the following happend: Either:
- the whole machine crashes (Kernel: 3.5.0-30-generic). Removing the power
is required, in order to reboot.
If the whole machine crashes, then the problem is in the hardware or in
the kernel.
- ddrescue crashes and dismounts the harddisk
Ddrescue does not "dismount" devices. Maybe you mean the hard disk
disappears from /dev?
Does ddrescue show any error message?
I use the command #ddrescue -v -n /dev/sdc
/media/root/recovered/20160321.dd ddmapfile.txt
Why no mappfile.txt is written to the target device (
/media/root/recovered/)
Because you told ddrescue to write the mapfile in the current directory.
The correct command would be:
ddrescue -v -n /dev/sdc /media/root/recovered/20160321.dd
/media/root/recovered/ddmapfile.txt
Is there a way to add the remaining part of the disk (after a reboot) to
the already existing recovered/20160321.dd (e.g. with "ddrescue -v -R -n
and ddrescue -v -R -r1") ?
Ddrescue always adds the remaining part of the disk to the existing
/media/root/recovered/20160321.dd. No need to change the command for that.
http://www.gnu.org/software/ddrescue/manual/ddrescue_manual.html#Introduction
Regards,
Antonio.
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