Ok thanks Scott.
I might put it in the too hard basket for this install. I will just
put all the files into one folder and backup the folder. Not as nice,
but it will do the trick.
It's a real shame that lBackup can't backup multiple source
directories as one backup script.
Thanks anyway,
Michael
On 23/01/2010, at 3:42 PM, Scott Haneda wrote:
On Jan 22, 2010, at 6:19 PM, Michael Williams wrote:
I am doing yet another install of lBackup, but I wanted to do
things differently this time (since the data and the OS will reside
on the same volume).
I remember reading somewhere that lBackup follows Symbolic links,
so I thought I would be clever and create a folder full of symbolic
links to the folders I want to backup. I tested this by creating a
symbolic link using the ln -s command in the terminal. The link
created ok, and it seams to work in the terminal because if you use
the link as part of the cd command you end up in the right place. I
then tried to get lBackup to backup the folder with the symbolic
link in it to another folder on the hard drive. The backup
proceeded without error but lBackup only copied what looks like an
alias to the original file which is not what I was after.
Does anyone have any ideas what is happening? Should this work or
did I misunderstand?
For the record, I have compiled rsync 3.0.7 and patched according
to Mike Bombich's instructions (obviously substituting the version
numbers). Has anyone else had experience with this new version of
rsync?
You need to make sure to use archive mode in rsyc, which is the
backend that drives lBackup. From the rsync man page:
SYMBOLIC LINKS
Three basic behaviours are possible when rsync encounters a
symbolic link in
the source directory.
By default, symbolic links are not transferred at all.
A message "skipping non-regular" file is emitted for any symlinks
that exist.
If --links is specified, then symlinks are recreated with the
same target
on the destination. Note that --archive implies --links.
If --copy-links is specified, then symlinks are "collapsed" by
copying their referent,
rather than the symlink.
you need -a or --archive
I think there is also a shortcut that combines a number of modes to
help in doing just what you want to do. I can not remember it off
the top of my head. The Carbon Copy Cloner info pages speaks of it.
Pay special attention to:
-x, --one-file-system don't cross filesystem boundaries
That flag can bite you pretty hard if you are trying to clone an
entire system, so for example:
rsync --whatever / /Volumes/second-drive/backups
You can end up in a perpetual and recursive copy, where rsync will
follow whatever in in /Volumes, but loop around on itself and do it
again and again. I filled up a 1TB drive when I walked away for a
few hours. I had a few other things on the drive so I was not able
to just reformat it. It took ages to `rm` all the files.
Just make sure you use explicit paths to your Volumes, and that you
exclude known locations that wrap around on themselves.
I think you may want to skip the symbolic link idea, and just call
out explicitly the pats that you want to backup. I believe that is
the general idea that lBackup want you to work under. Though I
could be wrong, and hope an admin will correct me if I am.
--
Scott * If you contact me off list replace talklists@ with scott@ *
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