Open Stack

Yes, and because of that problem only the new Instances are not been
created.

On Mon, Jun 22, 2015 at 3:39 PM, Silvia Fichera <fichera.sil at gmail.com>
wrote:

> The day before I've created several times groups of 5/6 instances and than
> deleted. They were correctly launched (except for the allocation of the IP
> addresses in compute hosts that are not also controller, but I thinks this
> was a problem of the VTN configuration with OpenDayLight).
>
> 2015-06-22 12:01 GMT+02:00 Abhishek Shrivastava <abhishek at cloudbyte.com>:
>
>> According to this, the Instance creation failed because the Neutron was
>> not able to "create_port_postcommit" so you have to check the why it is
>> happening, as I have no idea on how Neutron works.
>>
>> Also can you tell me how many Instances you have created before this
>> error happened.
>>
>> On Mon, Jun 22, 2015 at 3:23 PM, Silvia Fichera <fichera.sil at gmail.com>
>> wrote:
>>
>>> On the 19th in the morning I've done several trial, after 9.30 a.m. I
>>> don't remember exactly when.
>>> The day before (when I've installed it) everything was working fine.
>>>
>>> 2015-06-22 11:49 GMT+02:00 Abhishek Shrivastava <abhishek at cloudbyte.com>
>>> :
>>>
>>>> Hi Silvia,
>>>>
>>>> One more thing, can you please tell me the exact time when you have
>>>> created the Instance.
>>>>
>>>> On Mon, Jun 22, 2015 at 3:07 PM, Silvia Fichera <fichera.sil at gmail.com>
>>>> wrote:
>>>>
>>>>> 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
>>>>>>> Unsubscribe :
>>>>>>> http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack
>>>>>>>
>>>>>>>
>>>>>>
>>>>>>
>>>>>> --
>>>>>>
>>>>>>
>>>>>> *Thanks & Regards,*
>>>>>> *Abhishek*
>>>>>> *Cloudbyte Inc. <http://www.cloudbyte.com>*
>>>>>>
>>>>>
>>>>>
>>>>>
>>>>> --
>>>>> Silvia Fichera
>>>>>
>>>>
>>>>
>>>>
>>>> --
>>>>
>>>>
>>>> *Thanks & Regards,*
>>>> *Abhishek*
>>>> *Cloudbyte Inc. <http://www.cloudbyte.com>*
>>>>
>>>
>>>
>>>
>>> --
>>> Silvia Fichera
>>>
>>
>>
>>
>> --
>>
>>
>> *Thanks & Regards,*
>> *Abhishek*
>> *Cloudbyte Inc. <http://www.cloudbyte.com>*
>>
>
>
>
> --
> Silvia Fichera
>



-- 


*Thanks & Regards,*
*Abhishek*
*Cloudbyte Inc. <http://www.cloudbyte.com>*
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