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Brendan Tildesley | 3 Nov 2011 13:31
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Requesting assistance with data recovery

Hello, I was advised by Freenode IRC user jemark from #gnu to contact 
this address for assistance with my data recovery problem.

I have two 2TB hard drives containing years upon years of data that I 
keep synchronised with rsync; however, I accidently erased one, and 
while copying the data back with rsync, I got a bunch of I/O errors.

If somone is able to help, It would probably be best to talk in IRC so I 
can answer questions and follow instructions.
My username is Brendan_T and my timezone is +10 (Australia).
I will check my email again in 7 hours.

Thanks for any assistance.

Below is a basic outline of what went wrong, and my terrible attempts to 
fix it:

Stupidly, I ran fsck for a few minutes until I noticed this on the 
ddrescue website:
IMPORTANT! Never try to repair a file system on a drive with I/O errors; 
you will probably lose even more data.

fsck output:
fsck.ext4: Attempt to read block from filesystem resulted in short read 
while trying to open /dev/sdc1

...
Force rewrite? yes
Error reading block 252707726 (Attempt to read block from filesystem 
resulted in short read) while getting next inode from scan.  Ignore
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Tom Williams | 7 Nov 2011 23:26
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Question about recovering a NTFS partition with ddrescue

A friend of mine has a NTFS partition on a drive that is failing.  He
wants to recover the data and I'm hoping I can with ddrescue.  The thing
is, the drive with the NTFS partition on it is reported as being a "raw"
drive by chkdsk, meaning chkdsk doesn't recognize the NTFS partition.

Can ddrescue be of any help here?  I was thinking of using ddrescue to
copy the data to another hard drive and then use a partition utility,
like GPartEd or something else, to fix the partition table.

Does this have a chance at actually working?  :)

Thanks in advance!

Peace...

Tom
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Antonio Diaz Diaz | 23 Nov 2011 16:28
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Version 1.15-rc1 of GNU ddrescue released

Version 1.15-rc1 of GNU ddrescue is ready for testing here
http://download.savannah.gnu.org/releases/ddrescue/ddrescue-1.15-rc1.tar.gz
http://download.savannah.gnu.org/releases/ddrescue/ddrescue-1.15-rc1.tar.lz

The md5sums are:
0d4182237e5bae450530f919c60ebed7  ddrescue-1.15-rc1.tar.gz
9fbbf10cf008aed6765d1e24925a8169  ddrescue-1.15-rc1.tar.lz

Please, test it and report any bugs you find.

GNU ddrescue is a data recovery tool. It copies data from one file or 
block device (hard disc, cdrom, etc) to another, trying hard to rescue 
data in case of read errors.

GNU Ddrescuelog is a tool that manipulates ddrescue logfiles, shows 
logfile contents, converts logfiles to/from other formats, compares 
logfiles, tests rescue status, and can delete a logfile if the rescue is 
done.

The homepage is at http://www.gnu.org/software/ddrescue/ddrescue.html.

This version is also available in lzip format. If your distro doesn't 
yet distribute the lzip program, you can download it from 
http://www.nongnu.org/lzip/lzip.html

Changes in this version:

   * The new option "-I, --verify-input-size" has been added.

   * The new option "-x, --extend-outfile" has been added.
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