Back in the days of open reel tape drives I went into the computer room one evening to take some pictures, press shutter release - click - all TE16 tape drives go offline simultaneously. The flash had triggered both the EOT and BOT detectors and the drives didn't know what to do so went offline as a default failure mode.
Not the end of the world, but had to stop taking pictures and restart all the backups :-(
Biting the hand that feeds IT
