Hi, I have an Essex cluster with 6 compute nodes and one control nodes. All compute nodes are working not any interrupted, for some reason all instances in my cluster automatically rebooted. I am trying to but not figured out why this happened in these couple of days. It's much appreciated if someone can give me some hints about how to deal with this situation. Logs in my /var/log/upstart/nova-compute.log: http://pastebin.com/WYJtS5a5 Let me know if need more info. TIA, Sam -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20120827/91c92a39/attachment.html>