did you enable ssh Keys authentication for nova user between compute nodes? On Mon, Oct 12, 2015 at 5:25 PM, varun bhatnagar <varun292006 at gmail.com> wrote: > Hi, > > I have OpenStack Juno with multinode setup. > The instance storage is mounted over NFS and is shared between all the > computes. > I am trying to migrate an instance but while doing so the instance runs > into ERROR state by throwing the below error message: > > *Failed to launch instance "test_instance": Please try again later [Error: > Unexpected error while running command. Command: ssh 192.168.151.104 mkdir > -p /var/lib/nova/instances/328dc46e-8a1e-44ae-8450-6619b66203cd Exit code: > 255 Stdout: u'' Stderr: u'Host key verification failed.\r\n']. * > > When I try to execute this command *(mkdir -p > /var/lib/nova/instances/328dc46e-8a1e-44ae-8450-6619b66203cd) *it gets > executed properly. > > Can anyone please help in fixing this? > > BR, > Varun > > _______________________________________________ > 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 > > -- Nasir Mahmood -------------- next part -------------- An HTML attachment was scrubbed... URL: <http://lists.openstack.org/pipermail/openstack/attachments/20151012/b8fa4f5f/attachment.html>