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 >
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