Comment 2 for bug 1415012

Workaround:

(1) Use sshfs manually to mount your remote backup location as a local directory.
(2) Add an exception for the local directory, so it will not backup itself recursively.
(3) Use local backup.

I had trouble with step (3) as root, but it worked as a regular user. In this case:

(4) Set up crod to do scheduled backups.