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New option -check_media_defaults

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Thomas Schmitt
2008-09-04 10:02:58 +00:00
parent 62dbe3cbd0
commit 0be7fe3329
6 changed files with 333 additions and 123 deletions
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xorriso/xorriso.1
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@ -1735,9 +1735,25 @@ Try to read data blocks from the indev drive, eventually copy them to a
disk file, and finally report about the encountered quality. Several options
may be used to modify the default behavior.
.br
An option consists of a keyword, a "=" character, and a value.
The options given with this command override the default settings which
may have been changed by option -check_media_defaults. See there for a
description of options.
.br
Default is:
The result list tells intervals of 2 KiB blocks with start address, number
of blocks and quality. Qualities which begin with "+" are
supposed to be valid readable data. Qualities with "-" are no valid data.
.br
Alternatively it is possible to report damaged files rather than blocks.
.TP
\fB\-check_media_defaults\fR [option [option ...]] --
Preset options for runs of -check_media, -extract_cut and best_effort
file extraction. Eventual options given with -check_media will override the
preset options. -extract_cut will override some options automatically.
.br
An option consists of a keyword, a "=" character, and a value. Options
may override each other. So their sequence matters.
.br
The default setting at program start is:
.br
use=indev what=tracks min_lba=-1 max_lba=-1 retry=default
time_limit=28800 item_limit=100000
@ -1746,11 +1762,9 @@ abort_file=/var/opt/xorriso/do_abort_check_media
.br
data_to='' sector_map='' map_with_volid=off patch_lba0=off report=blocks
.br
Non-default settings:
Option "reset=now" restores these startup defaults.
.br
The result list tells intervals of 2 KiB blocks with start address, number
of blocks and quality. Qualities which begin with "+" are
supposed to be valid readable data. Qualities with "-" are no valid data.
Non-default options are:
.br
"report=files" lists the files which use damaged blocks (not with use=outdev).
The format is like with find -exec report_damage.
@ -1887,7 +1901,8 @@ The data bytes of iso_rr_path need to be already stored in the loaded ISO image
and byte_offset must be a multiple of 2048, e.g. an integer with suffix
s, m, or g.
.br
This option is implemented by a special run of -check_media.
This option is implemented by a special run of -check_media and governed by
most of the options which can be set iby -check_media_defaults.
Its main purpose is to allow handling of large files if they are not supported
by mount -t iso9660 and if the reading system is unable to buffer them as
a whole.