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Version 1.17 of GNU ddrescue released

From: Antonio Diaz Diaz
Subject: Version 1.17 of GNU ddrescue released
Date: Mon, 15 Jul 2013 17:51:05 +0200
User-agent: Mozilla/5.0 (X11; U; Linux i586; en-US; rv:1.7.11) Gecko/20050905

I am pleased to announce the release of GNU ddrescue 1.17.

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.

The homepage is at

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

The md5sum is:
564469370fe70cd9ac280b15e1addc50  ddrescue-1.17.tar.lz

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

Changes in version 1.17:

  * The new option "-l, --logfile-size" has been added.

* The new option "-w, --ignore-write-errors", which makes fill mode ignore write errors, has been added.

  * The option "--fill" has been renamed to "--fill-mode".

  * The option '--generate-logfile' has been renamed to '--generate-mode'.

* The option "--sector-size" has been added as a synonym of "--block-size".

  * The option "--retries" has been added as a synonym of "--max-retries".

  * The option "--size" has been added as a synonym of "--max-size".

* Trimming is now done from both edges of each non-trimmed block. Largest blocks are trimmed first.

* Largest blocks are now split first until logfile reaches "--logfile-size" entries.

* Ddrescue now terminates with an error if an unexpected EOF would discard any successfully read data, just as it does when the input file disappears from /dev.

* During the copying phase, failed blocks containing one sector are marked as bad-sector instead of as non-trimmed. This avoids reading a sector twice when a cluster size of 1 is used.

* Ddrescue now removes the last block from the logfile if it starts at the end of the input file and is not marked as finished. This automatically adjusts the logfile to shrinking input devices, like CD-ROMs written in Track-At-Once mode.

* A bug has been fixed that prevented status to update after the system clock had been put back.

  * Slow reads are now ignored during the first 10 seconds.

  * Control-C no more overwrites status message.

* Generate mode no more requires the "--force" option when outfile is not a regular file.

* Ddrescuelog no more says that the logfile does not exist when it exists but is empty.

  * The new chapter "Using ddrescue safely" has been added to the manual.

* The manual now explains that only whole sectors can be read when "direct disc access" is used.

  * The configure script now accepts options with a separate argument.

  * The target "install-bin" has 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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