Hi, Carsten Koch wrote: > I am using SAMSUNG SP1604N, which are very quiet. That's true. > That obviously depends on how often you spin them up and down. > I would assume that a disk which is on for 2 hours a day > and off for 22 (so it spins up/down once per day) > lives *a lot* longer than a disk that is on for 24 hours a day. > What do you think? Depends on the drive: a Seagate Cheetah's MBTF is only valid if the drive is spinning almost continuously. The docs allow only 30 powercycles per year. Bye. -- Dipl.-Inform. (FH) Reinhard Nissl mailto:rnissl@xxxxxx