File: recoverdm.1

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recoverdm 0.20-8
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.\" Text automatically generated by txt2man
.TH recoverdm 1 "Jul 2015" "recoverdm-0.20" "recover files on disks with damaged sectors"
.SH NAME
\fBrecoverdm \fP- recover files on disks with damaged sectors
.SH SYNOPSIS
.nf
.fam C
\fBrecoverdm\fP \fB-t\fP <type> \fB-i\fP <file/device-in> \fB-o\fP <output_file> [\fB-l\fP <sectors_file>] [\fB-n\fP \fIretries\fP]
          [\fB-s\fP \fIrotation_speed\fP] [\fB-r\fP \fIretries\fP] [\fB-b\fP \fIstart_offset\fP] [\fB-p\fP \fIskip_blocks_count\fP]
.fam T
.fi
.fam T
.fi
.SH DESCRIPTION
\fBrecoverdm\fP recover disks with bad sectors. You can recover files as well
complete devices. In case it finds sectors which simply cannot be recovered,
it writes an empty sector to the output file and continues.
.RE
.PP
When recovering a CD or a DVD and the program cannot read the sector in
"normal mode", then the program will try to read the sector in "RAW mode"
(without error checking etc.). This toolkit also has a utility called
mergebad which merges multiple images into one.
.SH OPTIONS
.TP
.B
\fB-t\fP <type>
See the above table to choose a value for <type>.
.TP
.B
\fB-i\fP <file/device-in>
Device or file to recover.
.TP
.B
\fB-o\fP <output_file>
File where to write to. This file should not already exist.
.TP
.B
\fB-l\fP <sectors_file>
Generates a mapfile containing checksums and a list of bad sectors. This mapfile can then be used with mergebad to create one correct image from several damaged images.
.TP
.B
\fB-n\fP \fIretries\fP
Number of \fIretries\fP before going on with next sector. Default is 6. For CDROMs it is advised to use 1.
.TP
.B
\fB-s\fP \fIrotation_speed\fP
Rotation speed of CDROM/DVD. Default is 1.
.TP
.B
\fB-r\fP \fIretries\fP
Number of \fIretries\fP while reading in RAW mode before going on with next sector. Default is 6. It is advised to use at least 3.
.TP
.B
\fB-b\fP \fIstart_offset\fP
Point to start.
.TP
.B
\fB-p\fP \fIskip_blocks_count\fP
How many sectors are skipped after non-read one. Use more to speed-up the recover process. Default is 1.
.SH TYPE OF DEVICES
These are the values can be used with \fB-t\fP option:
.PP
.nf
.fam C
    FILE            1
    FLOPPY          10
    FLOPPY_IDE      11
    FLOPPY_SCSI     12
    CDROM_IDE       20
    CDROM_SCSI      21
    DVD_IDE         30
    DVD_SCSI        31
    DISK_IDE        40
    DISK_SCSI       41
.fam T
.fi
.SH SEE ALSO
\fBmergebad\fP(1)
.SH AUTHOR
The \fBrecoverdm\fP was written by Folkert van Heusden <folkert@vanheusden.com>.
.PP
This manual page was written by Joao Eriberto Mota Filho <eriberto@debian.org>
for the Debian project (but may be used by others).