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GNU ddrescue 1.20 released

From: Antonio Diaz Diaz
Subject: GNU ddrescue 1.20 released
Date: Mon, 14 Sep 2015 13:35:12 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv: Gecko/20070601 SeaMonkey/1.1.2

I am pleased to announce the release of GNU ddrescue 1.20.

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

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

The homepage is at

The sources can be downloaded from or from your favorite GNU mirror.

The sha1sum is:
7e64aea5744a195094f11f9d24486853141a7d49  ddrescue-1.20.tar.lz

This release is also GPG signed. You can download the signature by appending ".sig" to the URL.

Changes in version 1.20:

* "logfile" has been renamed to "mapfile" everywhere, even in long option names. ("--domain-logfile" is now "--domain-mapfile", etc). The format of the mapfile remains the same; only the name has changed.

  * The short name of option "--synchronous" has been changed to "-y".

  * The long name of option "-d" has been changed to "--idirect".

* The new option "-D, --odirect" has been added. This introduces a subtle backward incompatibility because "-D" was the short name of option "--synchronous".

* The new option "-J, --verify-on-error" has been added. It verifies, after each read error, that the input device is still returning consistent data.

  * The new option "--max-read-rate" has been added.

* "direct disc access" now can copy arbitrary domains by reading whole sectors and writing only the requested part.

* Accounting change; only bad_sector blocks are now included in "errsize".

  * The estimated remaining rescue time is now shown on the screen.

* Times are now shown in days, hours, minutes and seconds, instead of as a fraction of the appropriate unit.

  * Fill mode has been extended to write location data into each sector.

* An emergency save of the mapfile has been added. It can be activated in case of ddrescue having trouble writing the mapfile.

  * Device name is now shown with "--ask" or "-vv" on Haiku.

* Read-only mapfiles, like domain mapfiles or input mapfiles for ddrescuelog, can now be read from standard input if a hyphen '-' is used as mapfile name.

  * Ddrescuelog can now show the status of more than one mapfile.

* "ddrescuelog --create-mapfile -" now writes the mapfile to standard output.

  * The new chapter "Optical media" has been added to the manual.

* The configure option "--enable-linux" has been renamed to "--enable-non-posix".

* The targets "install-compress", "install-strip-compress", "install-info-compress" and "install-man-compress" have been added to the Makefile.

Please send bug reports and suggestions to address@hidden

Antonio Diaz, GNU ddrescue author and maintainer.

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