Hints about -hardlinks and file content filtering

master
Thomas Schmitt 14 years ago
parent 7966b52a5b
commit 6de5c8d9d4

@ -2,7 +2,7 @@
.\" 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 "Jul 22, 2009"
.TH XORRISO 1 "Aug 03, 2009"
.\" Please adjust this date whenever revising the manpage.
.\"
.\" Some roff macros, for reference:
@ -691,7 +691,8 @@ system.
Commands -update and -update_r track splits and fusions of hard links in
filesystems which have stable device and inode numbers. This can cause
automatic last minute changes before the session gets written. Command
-hardlinks "perform_update" may be used to do these changes earlier.
-hardlinks "perform_update" may be used to do these changes earlier,
e.g. if you need to apply filters to all updated files.
.br
Mode "without_update" avoids hardlink processing during update commands.
.br
@ -3380,9 +3381,11 @@ the old one.
This makes sense if the full backup leaves substantial remaining capacity
on media and if the expected changes are much smaller than the full backup.
To apply zisofs compression to those data files which get newly copied from
the local filesystem, perform immediately before -commit :
the local filesystem, insert these options immediately before -commit :
.br
-find / -type f -pending_data -exec set_filter --zisofs --
-hardlinks perform_update \\
.br
-find / -type f -pending_data -exec set_filter --zisofs -- \\
.br
Option -disk_dev_ino depends on stable device and inode numbers on disk.
Without it, an update run will probably save no time but last longer than

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