OK , but then the solution with symlinks is equivalent, just with the right options for rsync.
Make the link. Sync + exclude. Remove the link. Don't have to live with the folder on the source. *_______________Gionata Boccalini* 2015-06-08 22:49 GMT+02:00 Michael Johnson - MJ <m...@revmj.com>: > Oh, actually, I just thought of a couple other another options that don't > require any multiplexing or ssh keys, but it would require that your source > machine is linux. > > The first option would be: > > mkdir /A/FolderB > mount --bind /A/FolderA /A/FolderB > > Then just exclude /A/FolderA from the rsync and you are done. This does > mean that you have to be ok with /A/FolderB existing on the source. > > > The second option would be to use somthing like aufs or overlayfs to > create a new mountpoint that contains everything you want and perhaps with > a little bit of mount --bind thrown in. > > > I just saw your response, and and what you describe makes sense. Sounds > like the mount bind option + exclude might be the most elegant option for > this case. Just make sure to add the bind mount into your fstab so it > comes back after a reboot. :) > > On Mon, Jun 8, 2015 at 1:18 PM, Michael Johnson - MJ <m...@revmj.com> wrote: > >> Thought I would chime in here. To the best of my knowledge what you are >> trying to do cannot be done in a single run. I supposed --fuzzy might work >> for you but I've never used that option and it sounds scary to me. Perhaps >> if I spent some time and learned the methodology it uses I would be less >> concerned. If a feature like this were to be added, it seems like it would >> make sense to add it as a new "filter" type. >> >> But mainly you've piqued my curiosity. The requirement that it be able >> to happen in a single rsync run seems very odd. Is this just a desire, or >> is there really something that bad that would happen if you did one pass >> syncing A to B excluding FolderA and FolderB and then a second pass syncing >> FolderA to FolderB? >> >> The most likely scenario I imagine is that you are running this by hand >> and manually enter the SSH password. Given the process take a long time, >> you don't want to enter the password again mid stream. If this is the >> case, you could set up SSH keys to allow this to happen without a manually >> typed password. You can find how to set that up here: >> >> http://www.chainsawonatireswing.com/2012/01/15/ssh-into-your-synology-diskstation-with-ssh-keys/ >> >> If you don't want to do ssh keys w/o a password, you could use ssh agent >> with keys. >> >> Finally you could also utilize ssh multiplexing (it looks like that >> should work with the synology nass). You can find information about this >> option here: >> http://en.wikibooks.org/wiki/OpenSSH/Cookbook/Multiplexing >> >> The other (very unlikely) scenario I can imagine is that there is >> something that prevents you from logging in more than once every X >> hours/days like a time lock safe. multiplexing would help here as well. >> But this scenario seems unlikely, it was probably silly to even mention it. >> >> If there is another case I have not considered I would be very interested >> to know where this requirement comes from. >> >> Thanks! Hope there was something useful for you in all this. :) >> >> On Sun, Jun 7, 2015 at 9:38 AM, Gionata Boccalini < >> gionata.boccal...@gmail.com> wrote: >> >>> Hello everyone, >>> >>> I'm new to this mailing list but I have been using rsync for some years >>> up to now. >>> I'm trying to synchronize two directory trees, but I want a special >>> behavior that I didn't find on the net nor in the manual (or maybe there is >>> a combination of options to get what I want but I couldn't find it). >>> >>> Tree A is like: >>> >>> A >>> * >>> * >>> FolderA >>> * >>> * >>> >>> And tree B (on a remote filesystem) is like: >>> >>> B >>> * >>> * >>> * >>> FolderB >>> * >>> * >>> >>> >>> I have to synchronize everything in one rsync run, like >>> rysnc -arv A/ B/ >>> >>> but I want FolderA to be synchronized with FolderB. >>> They must contain the same files but have a different name! I want >>> something like a "directory name translation" in the rsync run... >>> Is it possible? Do you see any another way of doing this? (A part of >>> using two rsync runs....) >>> Please let me know if I didn't explain the problem correctly or you need >>> further information. >>> Thank you for your attention and time. >>> Best regards. >>> >>> >>> *_______________Gionata Boccalini* >>> >>> -- >>> Please use reply-all for most replies to avoid omitting the mailing list. >>> To unsubscribe or change options: >>> https://lists.samba.org/mailman/listinfo/rsync >>> Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html >>> >> >> >> >> -- >> Michael Johnson - MJ >> > > > > -- > Michael Johnson - MJ >
-- Please use reply-all for most replies to avoid omitting the mailing list. To unsubscribe or change options: https://lists.samba.org/mailman/listinfo/rsync Before posting, read: http://www.catb.org/~esr/faqs/smart-questions.html