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Using haproxy as a load balancer for OpenStack services on RedHat OpenStack
Configuring RedHat OpenStack to be highly available is not like VMware where you just enable a couple features, check some boxes and voila! Quite the contrary… In fact; configuring RedHat OpenStack to be highly available is quite elegant. Lets look at it like this. You quite a few services that make up OpenStack as a […]
Tags: HA, haproxy, Highly Available, Open Stack, OpenStack
Posted in Linux, Neutron, Nova, OCP, Open Compute, Open Stack, Virtualization | 2 Comments »
OpenStack Havana – Fix for Unable to launch the instance due to “No valid host was found”
When trying to launch a dual homed VM within OpenStack Havana, I would get an Error in the horizon interface. When looking in Nova, I would see the error below when running: nova show ‘instancename’ fault | {u’message’: u’No valid host was found. ‘, u’code’: 500 Which by itself its pretty damn ambiguous, I stared […]
Tags: Havana, Neutron, Nova, Open Stack, OpenStack
Posted in Linux, Networking, Neutron, Nova, Open Stack | 2 Comments »