To make this work just login as nova, create an ssh key copy that key over the compute and you should be fine. I would do ssh-copy-id from the nova to the other machines.
Repeat this as needed. (compute 1 to compute 2 etc) Remo > On Oct 12, 2015, at 07:00, Nasir Mahmood <[email protected]> wrote: > > Varun, > > Yes, it's key based authentication for nova user or in other words > passwordless authentication based on ssh keys.. apologise for confusing lines > > On 12 Oct 2015 18:20, "varun bhatnagar" <[email protected] > <mailto:[email protected]>> wrote: > Hello Nasir, > > Thanks for your reply. > When you say "enable ssh Keys authentication for nova user between compute > nodes" do you mean setting some parameter in nova.conf or do you mean setting > public keys so that a user can ssh without using password? > > BR, > Varun > > On Mon, Oct 12, 2015 at 2:37 PM, Nasir Mahmood <[email protected] > <mailto:[email protected]>> wrote: > did you enable ssh Keys authentication for nova user between compute nodes? > > > On Mon, Oct 12, 2015 at 5:25 PM, varun bhatnagar <[email protected] > <mailto:[email protected]>> 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 > <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > Post to : [email protected] > <mailto:[email protected]> > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > > > > > -- > Nasir Mahmood > > !DSPAM:1,561bbfba118169940716644! > _______________________________________________ > Mailing list: http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > Post to : [email protected] > <mailto:[email protected]> > Unsubscribe : http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > <http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack> > > > !DSPAM:1,561bbfba118169940716644!
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