You must be a cluster administrator.
You can modify the order of the hosts in the candidate list (this is the list that specifies the management host(s) in line to become the new master in situations where the existing master host becomes unavailable). You can also change the master host.
- Click .
- To add hosts to your candidate list, select one or more hosts from the available hosts list and click Add.
Use SHIFT or CTRL while you are clicking to select more than host at a time.
- To remove any hosts from the candidate list, click the host name and Remove.
You cannot remove the master host from this list. The master host is at the top of the list by default when you navigate to this page. To remove that host, you must move it down in the list so that it is not the master, and restart your cluster.
- Change the order of the candidates using Up and Down.
You can move the master host from the top of the list, however you cannot remove master host from the list.
- When you have the hosts you want in the order you want, click Apply.
Changing and saving the order of your candidates restarts your cluster.
The hosts you want as master and master candidates are now set in the order you want them to failover. Your cluster automatically restarts when you click Apply, making the changes take effect.