You're probably thinking of the Barracuda 7200.11's event-log suicide-roulette firmware bug. It was the first time I ever had to update the firmware of a fixed disk, and I remember it being a huge pain since the revised "SD1A" firmware came with a brand new bug and had to immediately updated again:
- https://msfn.org/board/topic/128807-the-solution-for-seagate...
- https://www.anandtech.com/show/3482
- https://en.wikipedia.org/wiki/Seagate_Barracuda#Firmware_bug...