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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" <varun292006 at gmail.com> 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 <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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