These will be the next two RW external store.
es4 and es5 will go RO once this ticket is done.
es6
- es1038 master
- es1036
- es1037
- Pending dbctl configuration
- etcd.php changes
- Set candidate masters
es7
- es1035 master
- es1039
- es1040
- Pending dbctl configuration
- etcd.php changes
- Set candidate masters