After T186320 is closed, we should have a master and a proper master candidate for failover with STATEMENT based replication, not replicating ROW to sanitarium, and physically separated from the original master. T186320 is only a soft blocker, some work could be done already.
* [x] s1
** master: db1052
** candidate: db1067
* [x] s2
** master: db1054
** candidate: db1076
* [x] s3
** master: db1075
** candidate: db1078
* [x] s4
** master: db1068
** candidate: db1081
* [x] s5
** master: db1070
** candidate: db1100
* [] s6
** master: db1061
** candidate:
* [] s7
** master: db1062
** candidate: db1069 (only pending its movement to another row - T186699)
* [x] s8
** master: db1071
** candidate: db1104
* [x] x1
** master: db1055
** candidate: db1056 (we always use ROW for non-s* hosts, although it would be nice to move it to another row)