Don't wait until the disc delaminates. Spin up that old drive and start reading.
Once you have your ISO files, they act exactly like physical discs, but they need a "virtual drive" to be read. dvd iso archive
"An ISO is a mirror," he’d explain to the interns. "It doesn't just save the video. It saves the menus, the hidden tracks, the very way the data was burned onto the track. It’s a snapshot of a moment in technology." Don't wait until the disc delaminates