[Openstack] migration - host key verification failed

Prapul Psi prapul.psi at gmail.com
Fri Sep 18 09:09:23 UTC 2015

Hi All,

I am completed my private setup with 3 nodes controller,nova& neutron with
http://docs.openstack.org/juno/instal... + centos 7 i am able to create my
instance and running perfect my kvm host uses internal storage, now i added
second host kvm with local storage to my existing setup, now i try to
migrate vm to newly added host when i click migrate on ui interface got the
below error

Error: Failed to launch instance
"lb1-ceca74d8-a9b6-44c9-a9b0-401208890afc": Please try again later [Error:
Unexpected error while running command. Command: ssh mkdir -p
/var/lib/nova/instances/ceca74d8-a9b6-44c9-a9b0-401208890afc Exit code: 255
Stdout: u'' Stderr: u'Host key verification failed.\r\n'].

My doubt is openstack support to migrate vm when uses local storage ?

if not what kind of storage i need to use....?

need suggestions... thanks in advance....


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