Commit 5a16b9e7 authored by ben's avatar ben

updating now that default is preserve hardlinks


git-svn-id: http://svn.savannah.nongnu.org/svn/rdiff-backup@12 2b77aa54-bcbc-44c9-a7ec-4f6cf2b41109
parent fc1e18bc
...@@ -7,6 +7,10 @@ rdiff-backup \- rsync-like incremental backup utility ...@@ -7,6 +7,10 @@ rdiff-backup \- rsync-like incremental backup utility
.BI [[[ user@ ] host1.foo ]:: source_directory ] .BI [[[ user@ ] host1.foo ]:: source_directory ]
.BI [[[ user@ ] host2.foo ]:: destination_directory ] .BI [[[ user@ ] host2.foo ]:: destination_directory ]
.B rdiff-backup
.B {{ -l | --list-increments }
.BI "| --remove-older-than " time_interval }
.BI [[[ user@ ] host2.foo ]:: destination_directory ]
.SH DESCRIPTION .SH DESCRIPTION
.B rdiff-backup .B rdiff-backup
...@@ -72,22 +76,24 @@ automatically excluded. ...@@ -72,22 +76,24 @@ automatically excluded.
Authorize overwriting of a destination directory. rdiff-backup will Authorize overwriting of a destination directory. rdiff-backup will
generally tell you if it needs this. generally tell you if it needs this.
.TP .TP
.BI --hard-links
Preserve hard links from source to mirror directories. No increment
files will themselves be hard linked, but a hard link database will be
written so that hard links from any dataset will be recreated if
originally present. If many hard linked files are present, this
option can drastically increase memory usage.
.TP
.B "-l, --list-increments" .B "-l, --list-increments"
List the number and date of partial incremental backups contained in List the number and date of partial incremental backups contained in
the specified destination directory. the specified destination directory. This option is incompatible with
backing up or restoring and must be run in a separate instance of
rdiff-backup.
.TP .TP
.B "-m, --mirror-only" .B "-m, --mirror-only"
Do not create an rdiff-backup-data directory or make any increments. Do not create an rdiff-backup-data directory or make any increments.
In this mode rdiff-backup is similar to rsync (but usually In this mode rdiff-backup is similar to rsync (but usually
slower). slower).
.TP .TP
.BI --no-hard-links
Don't preserve hard links from source to mirror directories.
Otherwise, no increment files will themselves be hard linked, but a
hard link database will be written so that hard links from any dataset
will be recreated if originally present. If many hard linked files
are present, this option can drastically decrease memory usage.
.TP
.B --no-resume .B --no-resume
Do not resume last aborted backup even if it falls within the resume Do not resume last aborted backup even if it falls within the resume
window. window.
...@@ -105,11 +111,17 @@ See the ...@@ -105,11 +111,17 @@ See the
section for more information. section for more information.
.TP .TP
.BI "--remove-older-than " time_interval .BI "--remove-older-than " time_interval
Remove the incremental backups in the destination directory that have Remove the incremental backup information in the destination directory
been around longer than time_interval. The time interval is an that has been around longer than time_interval. The time interval is
integer followed by the character s, m, h, D, M, or Y, indicating an integer followed by the character s, m, h, D, M, or Y, indicating
seconds, minutes, hours, days, months, or years respectively. Thus seconds, minutes, hours, days, months, or years respectively. Thus
32m means 32 minutes, while 1M means one month (30 days). 32m means 32 minutes, while 1M means one month (30 days).
Note that this option is incompatible with backing up or restoring and
must be run in a separate instance of rdiff-backup. Remember also
that snapshots of deleted files are covered by this operation, so if
you deleted a file and backed up two weeks ago, and then run
--remove-older-than 10D today, no trace of that file will remain.
.TP .TP
.B --resume .B --resume
Resume the last aborted backup. If no aborted backups are found, exit Resume the last aborted backup. If no aborted backups are found, exit
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