The Question Recently, a customer asked us:

How would we manually move the relay role from a failing node to a slave in a Composite Tungsten Cluster passive site?

The Answer The Long and the Short of It

There are two ways to handle this procedure manually when the usual switch command fails to work as expected. One is short and reasonably automated, and the other is much more detailed and manual.

Of course, the usual procedure is to just issue the switch command in the passive cluster:

use west
set policy maintenance
switch
set policy automatic

The below article describes what to do when the switch command does not move the relay role to another node.

SHORT

Below is the list of cctrl commands that would be run for the basic, short version, which (aside from handling policy changes) is really only three …

First day at the Community Leadership Summit. Kurt will blog about our being here separately soon. I just wanted to say this quickly tossed together unconference is a huge success, with a lot of the Community leaders and intelligenzia present and networking. We get all the time questions about what is happening with MySQL, so even though we hadn't planned to, we did a session What's up with MySQL where we tried to explain our plans for the MariaDB community and Open Database Alliance, but also as objectively as possible answer any questions that came up. (The unconference rules strictly prohibit promoting any company, which Monty Program of course goes out of it's way to obey.)

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