Hi Stackers,
It seems running Openstack components in High Availability hasn't been really a
focus point lately, am I right?
The general docs don't really mention HA except for nova-network. So I did some
resource on how to run Nova in a High Availability and have some questions
about it:
The docs guides you on how to setup one cloud controller (running MySQL,
nova-api, RabbitMQ etc.) and 2+n nodes for nova compute/network. But it does
not mention how to make the cloud controller redundant. If the cloud controller
brakes we have a serious problem!
So, we can run MySQL in master-master mode on multiple hosts, we can run
nova-api on serveral hosts and load balance those and RabbitMQ has a cluster ha
setup as well but is this the way to go? I can't find a clear answer to this. I
am hoping one can shine some light on this!
Best regards,
Tristan van Bokkem
Datacenter Operations
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