Hi all, I have installed Openstack using devstack and following the wiki to integrate it with Opendaylight (VTN integration). After the installation I was able to launch instances. The day after when I tried again to launch instances I had 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 ...."
I've checked the log screen-n-cpu.log and seems that the Instance creation failed because the Neutron was not able to "create_port_postcommit". Any suggestion to solve this problem? Could this be related to a wrong configuration of the environment with ODL? (I have several compute node, and when an instance is assigned to a compute host that is not also the controller, if I check the network configuration with ifconfig this has no IP address assigned). Ask if you need more clarification about that. Regards -- Silvia Fichera
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