And what this resource can import? And whether it is there to write?
Not, mul'tipas not suggest. There is at least a TS Protocol, still the data is not quite synchronously appear here and there. But if a split brain? You definitely have your brain explode to resolve )
Anyway, mul'tipas... It means that something other than DRBD is a device vhat to do, and obviously DRBD in not to put. Dumb idea.