I have two fairly well-aged Raptors; three Caviar Green 1TBs; and one Caviar Green 1.5 TB and only the latter one is currently driving me completely mental. Don’t misunderstand, the harddisk is fast, responsive, doesn’t corrupt its data, shows no delays, no SMART errors and everything’s just fine – but as soon as there’s no activity on the volume and the disk is idling for more then a couple of seconds, it starts emitting a constant, low volume, high frequency buzzing sound that has just the right frequency to drive me completely insane.
So I guess my question is, what’s up with that? Is there an explanation why the disk is noisy while idle and much more silent while actually working, and perfectly silent just after having finished working? Is it constantly running some selftest? Is Windows 7 at fault – but if so, why are *none* of my other harddisks affected?
And most importantly, how do I get rid of it? Please save my sanity!