[tripleo][compute][overcloud]Add additional compute nodes on existing overcloud

dangerzone ar dangerzonen at gmail.com
Wed Feb 17 11:02:40 UTC 2021

Hi all...I'm planning to add another 3 compute servers to existing
overcloud (consists of existing 2 compute nodes, 3 controllers and 3
storage). I'm running on openstack ussuri using tripleo and centos7.

Below is the command and parameters used during initial deployment
openstack overcloud deploy --templates \
  -r ~/templates/roles_data.yaml \
  -n ~/templates/network_data.yaml \
  -e /usr/share/openstack-tripleo-heat-templates/environments/docker-ha.yaml
  -e ~/templates/network.yaml \
  -e ~/templates/scheduler_hints_env.yaml \
  -e ~/templates/node-info.yaml
So now this is my plan to add additional compute nodes
*1. Create new json file containing details of new compute nodes i.e.
*openstack overcloud node import newnodes.json*
*2. Run introspection*
*openstack overcloud node introspect --all-manageable*
*3. Tag each new node for its desired role*
*openstack baremetal node set --property
capabilities='profile:compute,boot_option:local' [NODE UUID]*
*4. Run openstack overcloud deploy*
*openstack overcloud deploy --compute-scale 3*

*Step No 4, should I run overcloud deploy with all the environment
template/parameters same as during initial deployment as per example above?*
*Really appreciate your advice of these steps especially no 4.*

Please advise further if my plan and steps above are good to go.
Thank you for your help and kind advice. May God bless you.

Thank you.

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