How can I spin down the hard drive?

[Rick Stevens]

don wrote:
> Samuel AU said:
> 
>>Hi all,
>>
>>I issued the following command in crontab. However, the light of my hard
>>drive on every 1 to 2 seconds. It seems doesn't work. So, how can I spin
>>down the hard drive every 3 minutes?
> 
> 
> man hdparm
> 
> hdparm -S36 ...
> 
> 3 minutes = 180 seconds = 36, 5 second intervals

Yes, but after ALL activity is done.  I suspect the dirty cache flush
is preventing the spindown.
----------------------------------------------------------------------
- Rick Stevens, Senior Systems Engineer     rstevens at vitalstream.com -
- VitalStream, Inc.                       http://www.vitalstream.com -
-                                                                    -
-               The Theory of Rapitivity: E=MC Hammer                -
-                                  -- Glenn Marcus (via TopFive.com) -
----------------------------------------------------------------------