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 <jam...@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....@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 <jam...@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....@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 <sorla...@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....@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@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@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@lists.openstack.org > Unsubscribe : > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstack > > -- *Thanks & Regards,* *Abhishek* *Cloudbyte Inc. <http://www.cloudbyte.com>*
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