Comment 7 for bug 568120

Me too. /dev/sda {option, ...} blocks have no effect. Setting hdparm -B ... in /etc/rc.local doesn't do it neither. Unchecking "Park harddisk" in the Gnome energy settings is being ignored as well. Only sudo hdparm in terminal after login works. Was no problem in 9.10. Effect on two note-/netbooks