raft is premised on overlapping majorities, so to speak. in order to tolerate up to `n` node failures you'd need to run `2n + 1` instances (for nine nodes you'd

raft is premised on overlapping majorities, so to speak. in order to tolerate up to `n` node failures you'd need to run `2n + 1` instances (for nine nodes you'd tolerate up to four node failures).