rsync suddenly hanging indefinitely during transfers

Question

For the past few years, I have been using an rsync one-liner to back up important folders on my Mac Mini desktop (OSX 10.9, 2.5 GHz i5, 4 GB RAM) to a FreeNAS box (0.7.2 Sabanda

Answer 1

This happened to me when the remote device ran out of space. The error wouldn't show when --verbose option was used; turning that off yielded some STDERR output that explained that the remote device was out of space. When I freed some space, I was able to run rsync again with --verbose and everything went fine.