*: FD problems on wide DAGs *: a bunch of places where we do special stuff in recovery mode *: recovery mode is totally separate from a rescue DAG; in fact, you can be in recovery mode while running a rescue DAG. +*: recovery mode really places a lot of constraints on the rest of the DAGMan code (e.g., need node names in submit events; inter-submit sleeps if using multiple logs; no macros in log file names for node jobs; probably a bunch more that I can't think of at the moment)