...
- Stop the ceph manager and monitors on a controller.
- Remove this controller from the ceph cluster.
- Migrate routers and DHCP agents to new neutron network nodes.
- Gracefully shut down the machine to allow it to leave the galera cluster nicely.
- Deregister all agents and services this controller had in openstack.
Example commands
The various list-commands will display a table with IDs. Take note of the IDs you want to delete, and then feed them to the delete-commands
| Code Block |
|---|
nova-service-list
nova service-delete <ID>
neutron agent-list
neutron agent-delete <UUID>
cinder service-list
cinderhost# cinder-manage service remove <binary> <host>
heat service-list
heathost# heat-manage service clean # This will remove all "dead agents" |