Here’s a few tips on backing up Lightroom catalogs. It’s reprinted from a post I made on a photo message board.
I must have missed the discussion about backing up Lightroom Catalogs. Why isn’t Time Machine a good method?
The problem occurs if the catalog is backed up while still open. If the database (the .lrcat file) is changed during the backup, then it may produce a corrupt backup. You would not know unless you tried to restore from the backup.
Even if that’ s fixed, however, there could still be problems for people, depending on how you use the program. Perhaps you leave Lightroom open most of the time, and there is limited opportunity to do the backup in the background.
The best method for backing up Lightroom has a few components.