[rdo-list] Tripleo Virtual Environment

[OSP Que]

Hi,


I have been looking at deploying a CentOS based tripleo proof of concept
which could possibly become required to run in production. I understand
deploying the undercloud and overcloud nodes (compute, controller and
storage) are recommended to be installed on baremetal hosts. However, due
to available resources and the possible need to have this virtualised I
have been looking at deploying tripleo in a virtual environment
(instack-virt-setup) following the below guide.


http://docs.openstack.org/developer/tripleo-docs/
environments/environments.html


Is this kind of deployment agreed to be production capable? As I understand
it all the overcloud nodes reside on one physical host, however is it
possible to ensure resilience in this deployment - if this one physical
node goes down surely all the openstack environment is down?
Also in a baremetal environment scaling the overcloud would involve adding
a new baremetal server updating ironic etc – how would this be possible in
a virtual environment when during the deployment the node count has been
set?


I would appreciate any feedback you can provide on these questions.
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