Open Stack

Silvia,

Sorry about that. I missed that.

If you have installed devstack, then you can use the screen sessions for
checking the logs. Following is a link which provides the different
commands for accessing screen sessions and the short cuts to access it.

http://www.rushiagr.com/blog/2013/06/05/linux-screens-in-devstack/

Thanks
Jamal

On Mon, Jun 22, 2015 at 1:20 AM, Silvia Fichera <fichera.sil at gmail.com>
wrote:

> Hi Jamal,
> as I already told previously I don't have nor nova nor neutron in /var/log
> because I have Installed openstack using devstack.
> I will look for errors in /opt/stack/logs and, if I find somthing I will
> post it.
>
> Thanks
>
> 2015-06-22 10:16 GMT+02:00 Jamal Arif <jamala at plumgrid.com>:
>
>> ​You can check in two places.
>>
>>
>>    - On Controller:
>>
>>
>> Check for neutron server logs in
>> /var/log/neutron/​
>>
>> Check for Nova schedular etc in
>> /var/log/nova/
>>
>>
>>    - On Compute Hosts:
>>
>>
>> Check for Nova Compute logs in
>>
>> /var/log/nova/nova-compute.log
>>
>> There can be multiple reasons for this error starting from nova scheduler
>> unable to schedule them to virt-type being different in the nova.conf.
>> Please check the logs and share the error logs if you are able to find
>> them.
>>
>> Thanks
>> Jamal.
>>
>> On Mon, Jun 22, 2015 at 12:14 AM, Silvia Fichera <fichera.sil at gmail.com>
>> wrote:
>>
>>> Good morning.
>>> As I told I can't find the folder /var/log/nova.
>>> So which log should I check?
>>> Thanks
>>>
>>> 2015-06-19 16:23 GMT+02:00 Salvatore Orlando <sorlando at nicira.com>:
>>>
>>>> I would check for errors in the nova compute logs.
>>>>
>>>> In some cases I had the same error, but the actual root cause was that
>>>> the nova compute log was failing to setup networking for an instance. The
>>>> request went back to the scheduler, which selected another compute node,
>>>> but failed in the same way while setting up networking, and so on until
>>>> failure.
>>>>
>>>> Salvatore
>>>>
>>>> On 19 June 2015 at 14:50, Silvia Fichera <fichera.sil at gmail.com> wrote:
>>>>
>>>>> Hi all, I have 4 VMs in a server, managed by ESXi. One of these
>>>>> perform as OVS, one is the Openstack controller and the other two are the
>>>>> compute hosts. Yesterday I set up Openstack via devstack with Opendaylight
>>>>> integration for VTN. There was some issue in the VTN configuration but I
>>>>> was able to create the instances. This morning I tryed again to launch the
>>>>> instances before facing the other problems and there was this error:
>>>>>
>>>>> Error: Failed to launch instance "inst": Please try again later
>>>>> [Error: No valid host was found. Exceeded max scheduling attempts 3 for
>>>>> instance a12ab017-396a-46d0-9749-011b829c6273. Last exception: [u'Traceback
>>>>> (most recent call last):\n', u' File
>>>>> "/opt/stack/nova/nova/compute/manager.py", line 2081, in
>>>>> _do_build_and_run_in].
>>>>>
>>>>> My VMs have the maximun availability of memory and CPU (the same as
>>>>> yesterday). I tryed with a tiny flavour but there is the same error. When I
>>>>> do: nova-manage service list in my controller node I have this output:
>>>>>
>>>>> Binary Host Zone Status State Updated_At
>>>>>
>>>>> nova-conductor devstack1 internal enabled :-) 2015-06-19 12:45:16
>>>>>
>>>>> nova-compute devstack1 nova enabled :-) 2015-06-19 12:45:08
>>>>>
>>>>> nova-cert devstack1 internal enabled :-) 2015-06-19 12:45:10
>>>>>
>>>>> nova-scheduler devstack1 internal enabled :-) 2015-06-19 12:45:10
>>>>>
>>>>> nova-consoleauth devstack1 internal enabled :-) 2015-06-19 12:45:14
>>>>>
>>>>> nova-compute devstack2 nova enabled :-) 2015-06-19 12:45:10
>>>>>
>>>>> nova-compute devstack3 nova enabled :-) 2015-06-19 12:45:11
>>>>>
>>>>> (all smiling!!)
>>>>>
>>>>> I have also read to check the file /var/log/nova/nova.log (if I'm not
>>>>> wrong), but I can't find the directory nova inside /var/log
>>>>>
>>>>> Thank you
>>>>>
>>>>> --
>>>>> Silvia Fichera
>>>>>
>>>>> _______________________________________________
>>>>> Mailing list:
>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>>> Post to     : openstack at lists.openstack.org
>>>>> Unsubscribe :
>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>>>
>>>>>
>>>>
>>>
>>>
>>> --
>>> Silvia Fichera
>>>
>>> _______________________________________________
>>> Mailing list:
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>> Post to     : openstack at lists.openstack.org
>>> Unsubscribe :
>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>
>>>
>>
>
>
> --
> Silvia Fichera
>
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