ddrescue

Langue: en

Version: February 2008 (mandriva - 01/05/08)

Section: 1 (Commandes utilisateur)

NAME

ddrescue - manual page for ddrescue 1.8

SYNOPSIS

ddrescue [options] infile outfile [logfile]

DESCRIPTION

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.

OPTIONS

-h, --help
display this help and exit
-V, --version
output version information and exit
-b, --block-size=<bytes>
hardware block size of input device [512]
-B, --binary-prefixes
show binary multipliers in numbers [default SI]
-c, --cluster-size=<blocks>
hardware blocks to copy at a time [128]
-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 areas with infile data (?*/-+)
-g, --generate-logfile
generate approximate logfile from partial copy
-i, --input-position=<pos>
starting position in input file [0]
-n, --no-split
do not try to split or retry error areas
-o, --output-position=<pos>
starting position in output file [ipos]
-q, --quiet
quiet operation
-r, --max-retries=<n>
exit after given retries (-1=infinity) [0]
-R, --retrim
mark all error areas as non-trimmed
-s, --max-size=<bytes>
maximum size of data to be copied
-S, --sparse
use sparse writes for output file
-t, --truncate
truncate output file
-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...

REPORTING BUGS

Report bugs to bug-ddrescue@gnu.org Copyright © 2008 Antonio Diaz Diaz. License GPLv3+: GNU GPL version 3 or later <http://gnu.org/licenses/gpl.html>
This is free software: you are free to change and redistribute it. There is NO WARRANTY, to the extent permitted by law.

SEE ALSO

The full documentation for ddrescue is maintained as a Texinfo manual. If the info and ddrescue programs are properly installed at your site, the command
info ddrescue

should give you access to the complete manual.