Right, I meant there wasn't a /etc/harddiskshda file to turn the features on. So it looks like the kernel must be doing itself. -eric wood Michael Schwendt wrote: > By default, /etc/sysconfig/harddisks doesn't do anything. It's > just a template. But nevertheless, you should have a copy because > it is included within in the hdparm package: > > $ rpm -qf /etc/sysconfig/harddisks > hdparm-5.2-4