![HDD 1 randomly vanished. Came back in “Good” health after FW update but RAID5 is “degraded”. Bad drive, software, NAS or something else? : r/qnap HDD 1 randomly vanished. Came back in “Good” health after FW update but RAID5 is “degraded”. Bad drive, software, NAS or something else? : r/qnap](https://preview.redd.it/syy7k7qsko731.jpg?auto=webp&s=c1c9cb1639850ef34e0c98295ac80becca9b746d)
HDD 1 randomly vanished. Came back in “Good” health after FW update but RAID5 is “degraded”. Bad drive, software, NAS or something else? : r/qnap
![virtual drive degraded replacement hard drive not found in MegaRAID on Lenovo ThinkServer - Server Fault virtual drive degraded replacement hard drive not found in MegaRAID on Lenovo ThinkServer - Server Fault](https://i.stack.imgur.com/L9KXb.png)
virtual drive degraded replacement hard drive not found in MegaRAID on Lenovo ThinkServer - Server Fault
![windows 7 - Why does performance of a regular hard drive decrease over the duration of a benchmark while SSD doesn't? - Super User windows 7 - Why does performance of a regular hard drive decrease over the duration of a benchmark while SSD doesn't? - Super User](https://i.stack.imgur.com/cXjwS.png)