On Thu, Jul 13 2017, Mike Morris wrote: >> Please note: DL 0.18 requires a database schema update! Please read the >> database upgrade procedure in the README! > > is this update backwards compatible, or is the .18 testing a one way trip?
This one is one way. The upgrade script shifts the expiration times and default values of the old tickets grants. Going back will cause tickets and grants close to their expiration time to expire too soon because of the shift. The way I do it, I generally take a full copy of the production system (db+spool) and use it for testing.