Hi all, I have 4 VMs in a server, managed by ESXi. One of these perform as OVS, one is the Openstack controller and the other two are the compute hosts. Yesterday I set up Openstack via devstack with Opendaylight integration for VTN. There was some issue in the VTN configuration but I was able to create the instances. This morning I tryed again to launch the instances before facing the other problems and there was this error:
Error: Failed to launch instance "inst": Please try again later [Error: No valid host was found. Exceeded max scheduling attempts 3 for instance a12ab017-396a-46d0-9749-011b829c6273. Last exception: [u'Traceback (most recent call last):\n', u' File "/opt/stack/nova/nova/compute/manager.py", line 2081, in _do_build_and_run_in]. My VMs have the maximun availability of memory and CPU (the same as yesterday). I tryed with a tiny flavour but there is the same error. When I do: nova-manage service list in my controller node I have this output: Binary Host Zone Status State Updated_At nova-conductor devstack1 internal enabled :-) 2015-06-19 12:45:16 nova-compute devstack1 nova enabled :-) 2015-06-19 12:45:08 nova-cert devstack1 internal enabled :-) 2015-06-19 12:45:10 nova-scheduler devstack1 internal enabled :-) 2015-06-19 12:45:10 nova-consoleauth devstack1 internal enabled :-) 2015-06-19 12:45:14 nova-compute devstack2 nova enabled :-) 2015-06-19 12:45:10 nova-compute devstack3 nova enabled :-) 2015-06-19 12:45:11 (all smiling!!) I have also read to check the file /var/log/nova/nova.log (if I'm not wrong), but I can't find the directory nova inside /var/log Thank you -- Silvia Fichera
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