Hello Norbert, * Norbert Goebel <egalus@xxxxxx> [17-10-05 15:35]: > If you use desktop harddrives it is not recommended to cycle them too often. i want only to power cyle my video disk, the main disk will run all the time, so powercyling should only be happened on recording and playback mode. > You can enable it with hdparm. ah ok, i think hdparm -S180 should be a nice value. Thx for all people how answered to my email. Bye Matthias