Open Stack

If it could be helpful I noticed that I have this error when I restart the
ODL controller.


2015-06-22 12:11 GMT+02:00 Abhishek Shrivastava <abhishek at cloudbyte.com>:

> 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>*
>



-- 
Silvia Fichera
-------------- next part --------------
An HTML attachment was scrubbed...
URL: <http://lists.openstack.org/pipermail/openstack/attachments/20150626/dd691a33/attachment.html>