Projects / dd_rescue / Releases

RSS All releases of dd_rescue

  •  11 Feb 2013 02:39
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Release Notes: This release adds two new options: -x facilitates appending to an output file, and -Y OUTFILE (can be specified multiple times) allows the user to specify secondary output files which receive the same data (at the same position) as the primary output file.

  •  03 Feb 2013 22:38
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Release Notes: This release brings a few minor cleanups (messages) and one feature: it now has a mode where the output file/partition/disk is overwritten two (-3) or three (-4) times with random data and finally with zeros. This supports secure data destruction according to German data privacy standards from BSI.

Release Notes: -p correctly copies access times, output to stdout works, and the progress info is always updated when exiting. This release fixes copying the last block with hardbs==softbs. Better option validation. Allows for 512 byte blocks with direct I/O now, and has better defaults for block sizes. Optimization for writing the same block again and again (-R). Can write random data (e.g. -z seedval or -Z /dev/urandom) using the libc or Eli Billauer's RC4 based PRNG. Writes can be avoided if the output file/device already contains identical contents (-W). Builds .deb binaries.

  •  04 Feb 2012 17:08
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Release Notes: Changes since the last published version (1.20) include additional warnings for overwriting existing files in sparse mode, documentation improvements, an FPE bugfix for reverse copy, really defaulting to -y 0 (not syncing except at the end), not considering EOF an error and displaying better error messages (errno was overwritten in one scenario), portability improvements, and fixes for the output of bad blocks.

  •  25 Aug 2010 22:22
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Release Notes: This release brings support for fallocate (to tell the filesystem how large the resulting target file will be, so it can avoid fragmentation better). It also enables a progress indicator when the input file size is not known (e.g. a pipe or /dev/zero) but the maximum transfer length has been set with -m.

  •  20 Aug 2010 23:16
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Release Notes: This release include some fixes (sparse writing, filling 0 when read errors occur) and some better error handling (consider ENOSPC fatal, don't repeat warnings for failed fsyncs). The program now defaults to -y0, meaning no fsyncs. Optionally, dd_rescue can now use the splice system call (on Linux) to do avoid copying of data in memory. The output of the program is now better, allowing the user to see better on what operation (read, write, fsync) warnings or errors occurred. Most importantly, there is a progress bar now, with a completion percentage and an ETA displayed.

  •  13 Aug 2006 14:08
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Release Notes: The options -b and -y have been added. -b logs the numbers of bad blocks in an ASCII file, suitable for the mke2fs -l option (but beware to match hard block size with mke2fs). The -y option sets the frequency of fsync() on the output file; -y 0 results in the maximum speed.

  •  02 Mar 2005 00:31
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Release Notes: This release adds proper memalign call to actually make O_DIRECT work.

  •  28 Aug 2004 19:53
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Release Notes: This version includes support for input and/or output as non-seekable file descriptors such a pipes or stdout.

  •  28 Aug 2004 19:53
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Release Notes: Some bugs have been fixed and some features have been added. The avg CPU load does not overflow any more. The end report is written to the log file even for -q and if no errors occur. -d/D can be used to use O_DIRECT on input/output. -p copies the timestamp and file owner and permissions. A larger soft block size (64k instead of 16k) is used by default. The program now also aborts on ENXIO, ENODEV, and EPERM. There were also minor code cleanups.

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