[Openstack-operators] Host key verification failed on VM Resize

Dave Spano dspano at optogenics.com
Fri Nov 30 18:17:59 UTC 2012


Has anyone come across this error when they try to resize an instance in Folsom? 


2012-11-29 12:17:19 TRACE nova.openstack.common.rpc.amqp File "/usr/lib/python2.7/dist-packages/nova/virt/libvirt/driver.py", line 2827, in migrate_disk_and_power_off 
2012-11-29 12:17:19 TRACE nova.openstack.common.rpc.amqp raise e 
2012-11-29 12:17:19 TRACE nova.openstack.common.rpc.amqp ProcessExecutionError: Unexpected error while running command. 
2012-11-29 12:17:19 TRACE nova.openstack.common.rpc.amqp Command: ssh 192.168.1.66 mkdir -p /var/lib/nova/instances/instance-0000008e 
2012-11-29 12:17:19 TRACE nova.openstack.common.rpc.amqp Exit code: 255 
2012-11-29 12:17:19 TRACE nova.openstack.common.rpc.amqp Stdout: '' 
2012-11-29 12:17:19 TRACE nova.openstack.common.rpc.amqp Stderr: 'Host key verification failed.\r\n' 


Block migration and a resize on the same host works, just not to another host. Is there a pre-requisite that I'm missing? 



Dave Spano 
Optogenics 
Systems Administrator 


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