On Tue, 14 Dec 2004, Guy wrote: > Just an FYI... > My disks take 2.5 amps on the 12V line (30 watts) to start. > Someone else said his require 2.9 amps (34.8 watts). the max rated startup current is NOT necessarily the real current - use a storage digital scope to get "REAL" numbers > The above does not include the 5V line. > > 2 X startup wattage or amperage seems excessive. comes from the last 50 years of "rule of thumb" when things was not as reliable another rule of thumb ... - things will die 2x as fast if the average sustained operating temp goes up by 10C - it works out just about right .. when you take the 1,000,000 hour MTBF and factor in all the temps and 24x7 operation and you find out that the little disk dies 1 month after the warranty expired :-) c ya alvin - To unsubscribe from this list: send the line "unsubscribe linux-raid" in the body of a message to majordomo@xxxxxxxxxxxxxxx More majordomo info at http://vger.kernel.org/majordomo-info.html
