Automatic means for spinning down disks available?

[Garrett Cooper]

Yuri Grebenkin wrote:
> Just wonder if it's better for an HDD not to spindown at all.
> Maybe it's safer to spin in peace than to park/launch?
> What do you think?
> 
>> Hello again all,
>> 	I was wondering if there was an automatic, and possibly timed means to
>> spin down disks available in either ports or the base system, by chance.
>> 	Just trying to cut down on energy use, and increase my disks' lives :).
>> TIA,
>> -Garrett

But I thought that disks keep on rotating, even when they're not being
accessed, unless you run {cam,ata}control stop.

That's similar to what Windows / MacOSX do at least.

-Garrett