What's the filesystem on the target? If the target is vfat, for example, setting ownership and permissions won't work, and -W tells rsync to transfer the whole file.
** Changed in: rsync (Ubuntu) Status: New => Incomplete -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1845652 Title: rsync sends everything, not just changes To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/rsync/+bug/1845652/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs