On 24 Apr 2004 at 14:20, John Francis wrote: > IDE drives (and all disk drives) fail *more* often if spun down > than if left continually spinning. That's been known for years. > As long as you have adequate cooling in the enclosure, the best > thing to do is leave the disk spinning 24 hours a day, 7 days a > week. Spinning down drives (to save power) has a huge MTBF cost.
I used to hate powering fown old server, never did know if the drives would ever spin up again :-( > Desktop systems spin down the disks because a quiet environment > is more important than long life - sitting next to a noisy fan is > one of the most frequently-voiced complaints - and because there > are standards for energy-efficiency that have to be met. Over-heating, heat cycling and ventilation play a larger part in a drives life than nearly any other factor. Rob Studdert HURSTVILLE AUSTRALIA Tel +61-2-9554-4110 UTC(GMT) +10 Hours [EMAIL PROTECTED] http://members.ozemail.com.au/~distudio/publications/ Pentax user since 1986, PDMLer since 1998
