No Orena said to Sessa to poll the capos for avoid a war thinking that the capos didnt want another war and maybe if Sessa wouldnt informed Persico the things will go in this manner.
Orena would as an acting boss should meet with all the capos and made himself the question: you want to stay with me or against me?
If all the capos or a huge majority would say yes,I doubt Scarpa would do anything.