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Clarification about -md5, -check_media and -find ... -damaged

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Thomas Schmitt
2010-12-11 08:28:23 +00:00
parent 885b57e4c9
commit 41346d1302
3 changed files with 117 additions and 84 deletions
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25
libisoburn/trunk/xorriso/xorriso.1
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@ -9,7 +9,7 @@
.\" First parameter, NAME, should be all caps
.\" Second parameter, SECTION, should be 1-8, maybe w/ subsection
.\" other parameters are allowed: see man(7), man(1)
.TH XORRISO 1 "Dec 06, 2010"
.TH XORRISO 1 "Dec 10, 2010"
.\" Please adjust this date whenever revising the manpage.
.\"
.\" Some roff macros, for reference:
@ -376,9 +376,8 @@ demands a file name length of up to 255 characters and paths of up to 1024
characters. Rock Ridge fulfills this demand.
.PP
An \fBEl Torito\fR
boot record connects one or more boot images, which are binary program files
stored in the ISO image, with the bootstrapping facility of
contemporary computers.
boot record points the BIOS bootstrapping facility to one or more boot
images, which are binary program files stored in the ISO image.
The content of the boot image files is not in the scope of El Torito.
.br
Most bootable GNU/Linux CDs are equipped with ISOLINUX or GRUB boot images.
@ -397,7 +396,8 @@ Emulation -as mkisofs supports the example options out of the ISOLINUX wiki,
the options used in GRUB script grub-mkrescue, and the example in the
FreeBSD AvgLiveCD wiki.
.br
The support for other boot image types is sparse.
There is support for boot facilities other than PC BIOS:
EFI, MIPS Big Endian (SGI), MIPS Little Endian (DEC), SUN SPARC.
.br
.PP
\fBACL\fR
@ -1505,6 +1505,9 @@ Matches files which use data blocks marked as damaged by a previous
run of -check_media. The damage info vanishes when a new ISO image gets
loaded.
.br
Note that a MD5 session mismatch marks all files of the session as damaged.
If finer distinction is desired, perform -md5 off before -check_media.
.br
\fB\-pending_data\fR :
Matches files which get their content from outside the loaded ISO image.
.br
@ -1718,7 +1721,7 @@ E.g.:
.br
\fBestimate_size\fR
prints a lower and an upper estimation of the number of blocks which the
found files together will occupy in the emering ISO image.
found files together will occupy in the emerging ISO image.
This does not account for the superblock,
for the directories in the -find path, or for image padding.
.br
@ -3042,7 +3045,7 @@ given as start address for -findx.
actions it will always perform action "echo".
.br
\fBin_iso\fR
reports the path if its counterpart exist in the ISO image.
reports the path if its counterpart exists in the ISO image.
For this the disk_path of the -findx command gets replaced
by the iso_rr_path given as parameter.
.br
@ -3066,6 +3069,12 @@ contains files. To be used with -type "m" to report mount points.
\fBempty_iso_dir\fR
deletes all files from the counterpart
in the ISO image. To be used with -type "m" to truncate mount points.
.br
\fBestimate_size\fR
prints a lower and an upper estimation of the number of blocks which the
found files together will occupy in the emerging ISO image.
This does not account for the superblock,
for the directories in the -findx path, or for image padding.
.TP
\fB\-compare\fR disk_path iso_rr_path
Compare attributes and eventual data file content of a fileobject in the
@ -3177,6 +3186,8 @@ Non-default options are:
\fBreport="files"\fR
lists the files which use damaged blocks (not with use=outdev).
The format is like with find -exec report_damage.
Note that a MD5 session mismatch marks all files of the session as damaged.
If finer distinction is desired, perform -md5 off before -check_media.
.br
\fBreport="blocks_files"\fR
first lists damaged blocks and then affected files.