Open Stack

Hi Abhishek,
it seems there are some errors in the log you suggested to check.
I've attached it as a G-drive link because it's too big.

Thanks

Silvia​
 screen-n-cpu.log
<https://drive.google.com/file/d/0ByUj7Zpz-6NFR2NvVnJkOHE2Rm8/edit?usp=drive_web>
​

2015-06-22 10:49 GMT+02:00 Abhishek Shrivastava <abhishek at cloudbyte.com>:

> Hi Silvia,
>
> Look for logs in screen folder and specifically screen-n-cpu.log, or you
> just upload the same file, will tell you accordingly the cause of error.
>
> On Mon, Jun 22, 2015 at 2:15 PM, Jamal Arif <jamala at plumgrid.com> wrote:
>
>> 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
>>>
>>
>>
>> _______________________________________________
>> Mailing list:
>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>> Post to     : openstack at lists.openstack.org
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>>
>>
>
>
> --
>
>
> *Thanks & Regards,*
> *Abhishek*
> *Cloudbyte Inc. <http://www.cloudbyte.com>*
>



-- 
Silvia Fichera
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