I had a room full of servers, many with 16-36 disks per server and had an AC failure. Things turned off as planned, but it hit 115F for a bit. None of the disks died, majority of the tapes did.
Also sadly the great price/performance brand with great service (overland) got bought up by the radically more expensive larger company and all the prices doubled 8-(.
I think we had 4 cartridges of 7, then upgraded to a newer robot that had 8 cartridges of 11.
At the time I was pretty shocked, and asked around and apparently it wasn't a particularly unusual event. Fortunately we always kept a cartridge rotated out to a different room.
Similar with the drives, but the drives were fine.