Difference between pages "Dd rescue" and "LibCarvPath"

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(New page: LibCarvPath is a library designed to be used by carving and file system analysis tools. LibCarvPath allows fragments represented by offset and size to be combined in a CarvPath annotation ...)
 
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{{Infobox_Software |
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LibCarvPath is a library designed to be used by carving and file system analysis tools.
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  name = dd_rescue |
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LibCarvPath allows fragments represented by offset and size to be combined in a CarvPath
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  os = {{Linux}}|
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annotation that take the form of file system paths. LibCarvPath addresses the limits of
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  genre = {{Disk imaging}} |
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file system paths by mapping extremely fragmented files to a uniquely identifying key in
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  license = {{GPL}} |
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a long-path database.
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  website = [http://www.garloff.de/kurt/linux/ddrescue/ www.garloff.de/kurt/linux/ddrescue/]
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}}
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'''dd_rescue''', is an an advanced evolution of [[dd]], a command line program that has been ported only for UNIX/Linux. The program uses a complex series of flags to allow the user to image or write data from and to [[raw image file|raw image files]]. Like [[dcfldd]], the program makes an effort to keep the user apprised of the status of the current operation.
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The following tools use LibCarvPath and/or CarvPath Annotations:
  
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'''[[ddrescue]]''' and '''dd_rescue''' are completely different programs which share no development between them.  The two projects are not related in any way except that they both attempt to enhance the standard [[dd]] tool and coincidentally chose similar names for their new programs.
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* [[CarvFs]]
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* [[tsk-cp]]
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* [[scalpelcp]]
  
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== Sample usage ==
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Next to these, in [[Photorec]] work has started to include LibCarvPath support.
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Here is a common dd_rescue command:
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'''UNIX/Linux'''
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<pre>$ dd_rescue /dev/hda myfile.img</pre>
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'''STDOUT'''
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A large difference between '''[[ddrescue]]''' and '''dd_rescue''' is that '''dd_rescue''' can pipe output to STDOUT whereas '''[[ddrescue]]''' can only transfer block/file to block/file.
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One example of this usage would be transfering a disk image over the network using ssh.
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<pre>dd_rescue /dev/sda1 - | ssh user@remote.host "cat - > /remote/destination/file.img"</pre>
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Another example would be adding compression to an image file on the fly.
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<pre>dd_rescue /dev/sda1 - | bzip2 > /dir/file.img.bz2</pre>
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==  Cautions ==
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Unlike regular [[dd]], dd_rescue does not use the command line arguments <tt>if</tt> or <tt>of</tt>.
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== See also ==
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* [[aimage]]
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* [[Blackbag]]
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* [[dcfldd]]
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* [[dd]]
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* [[ddrescue]]
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* [[sdd]]
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Revision as of 13:37, 12 December 2008

LibCarvPath is a library designed to be used by carving and file system analysis tools. LibCarvPath allows fragments represented by offset and size to be combined in a CarvPath annotation that take the form of file system paths. LibCarvPath addresses the limits of file system paths by mapping extremely fragmented files to a uniquely identifying key in a long-path database.

The following tools use LibCarvPath and/or CarvPath Annotations:

Next to these, in Photorec work has started to include LibCarvPath support.

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