Hello, On your compute nodes in nova.conf [DEFAULT] resume_guests_state_on_host_boot = True All instances that had a running state when the reboot occured will be started again. Best regards On 09/19/2016 03:20 PM, Davíð Örn Jóhannsson wrote: Ubuntu 14.04 OpenStack Liberty I'm looking for a way to ensure running instances are started on a host after reboot, I've seen a way to do this for RHEL and CentOs by using /etc/sysconfig/libvirt-guests but it is not available on Ubuntu as far as I know. -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack-operators/attachments/20160919/bdf75c2a/attachment.html>