ddrescue 1.17

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    Specification

  • Version: 1.17
  • File size: 64 KB
  • File name: ddrescue-1.17.tar.lz
  • Last update:
  • Platform: Mac OS X
  • License: GPL
  • Price:$0
  • Company: Antonio Diaz Diaz (View more)

ddrescue 1.17 Download Publisher Review:




Whats new in version 1.17:
  • rescuebook.cc (Rescuebook::do_rescue): Show warning when domain is smaller than logfile.
  • ddrescuelog.cc (do_show_status): Show logfile and domain extents when domain is smaller than logfile.


Publisher review:
The basic operation of ddrescue is fully automatic. That is, you don't have to wait for an error, stop the program, read the log, run it in reverse mode, etc.

If you use the logfile feature of ddrescue, the data is rescued very efficiently (only the needed blocks are read). Also you can interrupt the rescue at any time and resume it later at the same point.

Automatic merging of backups: if you have two or more damaged copies of a cdrom, file, etc, and run ddrescue on all of them, one at a time, with the same output file, you will probably obtain a error-free and complete file.

This is so because the probability of having damaged areas at the same places on different input files is very low. Using the logfile, only the needed blocks are read from the second and successive copies.

The logfile is periodically saved to disc. So in case of a crash you can resume the rescue with little recopying.

Also, the same logfile can be used for multiple commands that copy different areas of the file, and for multiple recovery attempts over different subsets.

Ddrescue aligns its I/O buffer to the sector size so that it can be used to read from raw devices. For efficiency reasons, also aligns it to the memory page size if page size is a multiple of sector size.

How to install and run: Unarchive, open a Terminal window, go to ddrescue's folder and run the following commands from the command line:

./configure
make
sudo make install
ddrescue

Requirements:
  • Apple Xcode (to compile ddrescue from source)


Operating system:
Mac OS X

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