Remove a compute node in Openstack

Question

I am having trouble removing a compute node from openstack newton. I am not able to deploy instances after trying to remove the host with these commands:

openstack compute service delete {{id}}
neutron agent delete {{id}}

Is there a another way or additional steps to remove the host?

Thank you

Answer 1

Please check the instructions in the below link

https://ask.openstack.org/en/question/97941/how-to-remove-compute-host-in-controller-unfortunately-i-removed-that-host-but-name-still-available/

Answer 2

...a step-by-step detailed how-to can also be found at the INFN website here: https://wiki.infn.it/progetti/cloud-areapd/operations/production_cloud/remove_a_compute_node_howto

What they basically suggest is to "manually" remove the relevant records from the database, after having disabled the services on the node and migrated out its instances.