On Thu, May 10, 2012 at 07:38:34AM -0500, Dale wrote:
> 
> The default is to keep them all running and to not spin them down.  I
> have never had a Linux OS to spin down a drive unless I set/told it to.
>  You can do this tho.  The command and option is:
> 
> hdparm -S /dev/sdX
> 
> X would be the drive number.  There is also the -s option but it is not
> recommended.
> 
> There is also the -y and -Y options.  Before using ANY of these, read
> the man page.  Each one has it uses and you need to know for sure which
> one does what you want.
> 
> Dale
> 

Awesome thanks very much, if I need to power down one of my drives I
shall use hdparam!

Does the kernel keep even unmounted drives spinning by default?

Thank you Dale!