On Sat, 2009-10-03 at 15:47 -0700, J. Ellis wrote:
> I have the following 3 commands which are supposed to run every night
> to back up my web server:
>
> rsync -avve ssh --numeric-ids --delete --ignore-errors
> myu...@myisp.com:/usr/home/myuser /Volumes/Downloads
> rsync -avve ssh --copy-links --numeric-ids --delete --ignore-errors
> myu...@myisp.com:/usr/home/myuser/mail_boxes
> /Volumes/Downloads/myuser/mail_boxesBU
> rsync -avve ssh --copy-links --numeric-ids --delete --ignore-errors
> myu...@myisp.com:/usr/home/myuser/mail_boxes
> /Volumes/Downloads/myuser/mail_boxesBU
>
> The way this works is that there are two symlinks on the server to the
> mail_boxes and public_html directories. I didn’t want all the symlinks
> within those directories to be followed, so these I backup separately
> to mail_boxesBU and public_htmlBU respectively.
There happens to be a trick for "copying a few dirlinks" without copying
all of them: use --relative and specify an additional source argument
that goes through each symlink with a trailing slash. E.g.:
rsync -avve ssh --numeric-ids --delete --ignore-errors -R \
myu...@isp.com:/usr/home/./myuser \
myu...@isp.com:/usr/home/./myuser/mail_boxes/ \
myu...@isp.com:/usr/home/./myuser/public_html/ \
/Volumes/Downloads
For more about this, see:
http://lists.samba.org/archive/rsync/2006-February/014838.html
> Unfortunately, when the first command is run, both are deleted from
> the local volume, and then must be completely downloaded from scratch
> each night after the deletion, instead of simply being updated. This
> doesn’t always work for some reason, and the next morning one or both
> of the directories are just gone.
>
> Is there some way of excluding the mail_boxesBU and public_htmlBU
> directories from --delete?
If you want to keep your existing approach, yes, you can just use
--exclude='/myuser/mail_boxesBU' and --exclude='/myuser/public_htmlBU'.
--
Matt
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