We need to enable replication from codfw masters to eqiad masters
[] Disable GTID on codfw first and then enable replication on s1
[] Disable GTID on codfw first and then enable replication on s2
[] Disable GTID on codfw first and then enable replication on s3
[] Disable GTID on codfw first and then enable replication on s4
[] Disable GTID on codfw first and then enable replication on s5
[] Disable GTID on codfw first and then enable replication on s6
[] Disable GTID on codfw first and then enable replication on s7
[] Disable GTID on codfw first and then enable replication on s8
[] Disable GTID on codfw first and then enable replication on x1
[] Disable GTID on codfw first and then enable replication on es4
[] Disable GTID on codfw first and then enable replication on es5
[x] pc1
[x] pc2
[x] pc3