Hi al, Now, nova’s ironic driver can allow multiple compute services. I am not sure that, when a compute node is down. The instances running in it, whether can “migrate” to another compute node(use ironic driver)? Thanks C1dx -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-dev/attachments/20161103/2a82488b/attachment.html>