This has begun to annoy me...

[Wojciech Puchar]

>
> That's pretty much what I expected.
>
> It's done this since I've been running the machine, about six months
> now. Given your comment, I expect it's an issue with the controller.
>
with controller - it would start immediately, not after 6 months i think

but please use smartmontools.

good idea is to use it always, not only when problems start to appear