I object.If the "Health status" says Good, it's good, nothing to worry about it.
I object.
You should always be prepared for a storage device to die in the next 0.25 sec.
Even brand new out of the box.
Not mirroring...a real backup.It's a 3TB HDD, not much that he can do when it fails, he doesn't have another 3TB HDD for mirroring.
When we buy a HDD with Smart capability, we should trust it.
Unsafe Shutdown Count (Power-off Retract Count)
The raw value reports the cumulative number of unsafe (unclean) shutdown events over the life of the device. An unsafe shutdown occurs whenever the device is powered off without STANDBY IMMEDIATE being the last command.
Not mirroring...a real backup.