You can try to reboot the node and see if it works. Some resources might be locked at libvirt and kvm. 发自我的 iPhone > 在 2017年3月7日，上午6:18，Georgios Dimitrakakis <giorgis at acmac.uoc.gr> 写道： > > All, > > I am setting up a new Ocata installation and although no instances are running or at least not shown neither in Dashboard nor in CLI using the "nova list" command I am getting a "Quota Exceeded" error. > > Why is this happening and how can I clean it up in order to continue using it? > > The only thing that I can think of is that I 've tried to spawn several (maybe 10) instances that went in "Error" state with "No valid hosts found" error message. Apparently I 've delete the instances afterwards but maybe these instances are the ones that have hang-up. > > Any help much appreciated! > > All the best, > > George > > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > Post to : openstack at lists.openstack.org > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack