[Openstack] Unable to migrate instance

varun bhatnagar varun292006 at gmail.com
Mon Oct 12 13:20:00 UTC 2015


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 <nasir.mahmood at gmail.com>
wrote:

> 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
>>
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>>
>
>
> --
> Nasir Mahmood
>
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