Removing Nova nodes from a cluster
Sometimes, you may need to remove a compute node from a cluster for troubleshooting or maintenance reasons. You should be careful while doing so, since it could negatively affect running VMs. Before getting started, make sure you have enough resources in your compute cluster to migrate running VMs to other compute nodes before removing the node.
Getting ready
Ensure you are logged in to an Ubuntu host that has access to our OpenStack environment on the 192.168.100.0/24 public network. This host will be used to run client tools against the OpenStack environment created. If you are using the accompanying Vagrant environment, as described in the Preface, you can use the controller node. This node has the python-novaclient ...
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