Hard Disk Failure
Michael ODonnell
michael.odonnell at comcast.net
Sat Feb 25 10:40:01 EST 2006
Dang! I just stumbled across this in the list of
available packages on my Debian box while looking for
something else - `wish I'd known about this the last time
I was trying to salvage data from some zorched platters...
DDRESCUE(1) DDRESCUE(1)
NAME
dd_rescue - copies data from one file (or block device) to another
SYNOPSIS
dd_rescue [options] infile outfile
DESCRIPTION
This manual page documents briefly the dd_rescue command.
This manual page was written for the Debian distribution because
the original program does not have a manual page.
dd_rescue is a program that copies data from one file or block
device to another, it is a tool to help you to save data from
crashed partition. It tries to read and if it fails it will
go on with the next sectors, where tools like dd will fail.
If the copying process is interrupted by the user it is possible
to continue at any position later. It can copy backwards.
OPTIONS
-s ipos
start position in input file (default=0)
-S opos
start position in output file (def=ipos)
-b softbs
block size for copy operation (def=16384)
-B hardbs
fallback block size in case of errs (def=512)
-e maxerr
exit after maxerr errors (def=0=infinite)
-m maxxfer
maximum amount of data to be transfered (def=0=inf)
-l logfile
name of a file to log errors and summary to (def="")
-r reverse direction copy (def=forward)
-t truncate output file (def=no)
-w abort on Write errors (def=no)
-a spArse file writing (def=no)
-A Always write blocks, zeroed if err (def=no)
-i interactive: ask before overwriting data (def=no)
-f force: skip some sanity checks (def=no)
-q quiet operation
-v verbose operation
-V display version and exit
-h Show summary of options
AUTHOR
This manual page was written by Ayman Negm <a.negm at hamburg.de>,
for the Debian project (but may be used by others).
April 16, 2003 DDRESCUE(1)
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