At Sat, 10 Oct 2009 13:44:54 -0500 CentOS mailing list <centos at centos.org> wrote: > > Alan McKay wrote: > > On Sat, Oct 10, 2009 at 2:14 PM, Giovanni P. Tirloni <tirloni at gmail.com> wrote: > >> Can you get something like the average lifespan of the circuits in > >> hours ? > > > > HDs and other components should have published "MTBF" - Mean Time > > Between Failure > > But they are never realistic in terms of actual life spans. They are computed > from the failures across a large number of new components in a test environment. Of course. "Mean", as used in "Mean Time Between Failure", is a *statisical* term, and is not a 'real' number. > -- Robert Heller -- 978-544-6933 Deepwoods Software -- Download the Model Railroad System http://www.deepsoft.com/ -- Binaries for Linux and MS-Windows heller at deepsoft.com -- http://www.deepsoft.com/ModelRailroadSystem/