hard disk power down (was: Re: PowerTOP tool released; time to fix the wasted laptop power on fedora?)

[Richard Hughes]

On Sun, 2007-05-13 at 19:38 +0200, Nicolas Mailhot wrote:
> 
> > Just wondering: does Fedora spin down the hard disk by default? It
> > doesn't afaics and it's not easily user-configurable either afaik.
> 
> Also is smartctl poking the disks with a frequency low enough to allow
> spin down? 

I didn't think smartctl spun them up - I thought it just read a bit of
embedded address space. I'll do some testing today.

Richard.