On 08/06/2016 03:20 PM, Dan Prince wrote:
On Sat, 2016-08-06 at 13:21 -0400, Adam Young wrote:
As I try to debug Federaion problems, I am often finding I have to
check
three nodes to see where the actual requrest was processed. However,
If
I close down to of the controller nodes in Nova, the whole thing just
fails.
So, while that in it self is a problem, what I would like to be able
to
do in development is have HA running, but with only a single
controller
node answering requests. How do I do that?
I have a $HOME/custom.yaml environment file which contains this:
parameters:
ControllerCount: 1
If you do something similar and then include that environment in your
--environments list you should end up with just a single controller.
Do this in addition to using environments/puppet-pacemaker.yaml and you
should have "single node HA" (aka pacemaker on a single controller).
Cool, will try it.
I kindof am still doing trial and error on a cluster we're I've made
changes on the node. Not ready to tear them down. But the fact that
killing a node means that Web calls fail means that HA Proxy is not
sufficient to give us HA. Is there something I can do with the Load
Balancer or something if I shut down two of the nodes to keep things
running?
Dan
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