On Thu, Sep 4, 2014 at 11:46 AM, Jed Brown <[email protected]> wrote:
> Matthew Knepley <[email protected]> writes: > > It is important to check things that do happen. If bears do wander in > > the cockpit > > This does happen, yes. > > > and are not noticed for some time, then this would be important to > > automate. > > The entire purpose of the inspection is to certify that various parts, > including instruments and controls in the cockpit, are functional. The > only way to not notice the bear is to have not done the inspection, in > which case you have no business signing the certificate. There is no > point in automating the bear check because your primary duty of > inspecting the instruments and controls is not automated and you can't > do that inspection without noticing the bear. > And I do not believe that there is "no way" that this check would not be missed. I know you do. I think you suffer from lack of imagination. This is a fatal flaw when designing fault tolerant systems. Matt -- What most experimenters take for granted before they begin their experiments is infinitely more interesting than any results to which their experiments lead. -- Norbert Wiener
