Hi,

I am receivng the following error on Openstack Mitaka on redhat 7, whenever I try to deploy an insatnce. Any idea how I can solve it?

[root@servera ~]# tail -f /var/log/nova/nova-conductor.log

File "/usr/lib/python2.7/site-packages/nova/scheduler/manager.py", line 104, in select_destinations dests = self.driver.select_destinations(ctxt, spec_obj)

File "/usr/lib/python2.7/site-packages/nova/scheduler/filter_scheduler.py", line 74, in select_destinations raise exception.NoValidHost(reason=reason)

NoValidHost: No valid host was found. There are not enough hosts available.

2017-06-05 18:13:58.283 8402 WARNING nova.scheduler.utils [req-6988964e-37da-4e4a-a45d-0c3afc657063 85b68e43447d4e6fbaf67c569c074198 2cff2f2137d247f7bdf806f14b5c16ae - - -] [instance: 55d1ca32-163f-435b-81eb-0c0de3a33206] Setting instance to ERROR state.

Many thanks!