Comment 3 for bug 1254450

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Vladik Romanovsky (vladik-romanovsky) wrote :

I agree with zhangjl, It seems that there is something wrong with your ssh keys, as you can see from the logs:

Command: ssh 10.35.104.17 mkdir -p /var/lib/nova/instances/3b7ef5ae-94f4-44a8-a028-104e35cc9505
Exit code: 255
Stdout: ''
Stderr: 'Host key verification failed.\r\n'

Also, with this bug resolved https://bugs.launchpad.net/nova/+bug/1233184, the migrating instance will not be set to an ERROR state, on failed migration.