2018-12-03 13:22:24 UTC
I'm establishing a vm cluster with one master and five workers. The master,
besides being the mongodb primary, also is a webserver and jenkins master.
I want to be able to make one worker into a master if the master fails.
So my thought is to duplicate the webserver and jenkins on on of the
workers; if the master goes down, I can switch this worker to be the master
and all is well again.
My problem of course is that I have an even number of members. I read about
non-voting members and wonder if that is my answer.
First, is this a bad design?
Second, if I make worker01 a non-voting member will that solve my problem?
I guess that when I have to switch worker01 to be master, I'd have to
change it to a voting member.
What's the best practice for this scenario?
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