On 15 March 2013 05:56, Ralf Mardorf <ralf.mardorf@xxxxxxxxxxxxx> wrote: > yes, if I stay in the BIOS configuration the drive spins down and keeps > sleeping. I'm more curious about the installer (or a bare bones Arch install) than sitting in the BIOS. That makes it easier to differentiate Xfce problems from problems in base packages or the kernel itself. > I tested it with a very old Suse, GNOME 2 and with Ubuntu Quantal, Xfce > 4, there I get the same issue as for Arch, it spins down and up and down > and up ... Both of these environments have a lot of daemons/etc running that may wish to periodically probe drives in a way that causes it to spin up for whatever reason. Best, Chris