DDRESCUE

Section: User Commands (1)
Updated: February 2008
Index Return to Main Contents
 

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

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.


 

Index

NAME
SYNOPSIS
DESCRIPTION
OPTIONS
REPORTING BUGS
COPYRIGHT
SEE ALSO

linux.jgfs.net manual pages