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. 1)
ddrescue can be installed with the Pakfire web interface or via the console:
pakfire install ddrescue
There is no web interface for this Addon. To run this Addon open the client console or terminal and access the IPFire box via SSH.
To obtain a list of possible options:
The output is similar to this:
[root@ipfire ~]# ddrescue -h GNU ddrescue - Data recovery tool. Copies data from one file or block device to another, trying hard to rescue data in case of read errors. Usage: ddrescue [options] infile outfile [logfile] You should use a logfile unless you know what you are doing. Options: -h, --help display this help and exit -V, --version output version information and exit -b, --block-size=<bytes> sector size of input device [default 512] -B, --binary-prefixes show binary multipliers in numbers [SI] -c, --cluster-size=<sectors> sectors to copy at a time  -C, --complete-only do not read new data beyond logfile limits -d, --direct use direct disc access for input file -D, --synchronous use synchronous writes for output file -e, --max-errors=<n> maximum number of error areas allowed -F, --fill=<types> fill given type blocks with infile data (?*/-+) -g, --generate-logfile generate approximate logfile from partial copy -i, --input-position=<pos> starting position in input file  -m, --domain-logfile=<file> restrict domain to finished blocks in file -n, --no-split do not try to split or retry failed blocks -o, --output-position=<pos> starting position in output file [ipos] -q, --quiet suppress all messages -r, --max-retries=<n> exit after given retries (-1=infinity)  -R, --retrim mark all failed blocks as non-trimmed -s, --max-size=<bytes> maximum size of input data to be copied -S, --sparse use sparse writes for output file -t, --truncate truncate output file to zero size -T, --try-again mark non-split, non-trimmed blocks as non-tried -v, --verbose verbose operation Numbers may be followed by a multiplier: b = blocks, k = kB = 10^3 = 1000, Ki = KiB = 2^10 = 1024, M = 10^6, Mi = 2^20, G = 10^9, Gi = 2^30, etc... Report bugs to firstname.lastname@example.org Ddrescue home page: http://www.gnu.org/software/ddrescue/ddrescue.html General help using GNU software: http://www.gnu.org/gethelp
The current pakfire ddrescue release is version 1.12 and was released by the GNU ddrescue Development Team on 06 April 2010.
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