Hi Saverio, The issue seems to be related to neutron tuning. We observed the same issue with stable/ocata branch code. When we tuned few neutron parameters it is working fine. Thanks for your suggestion.
Thanks, Satya.P On Wed, Feb 22, 2017 at 10:10 AM, Satyanarayana Patibandla < [email protected]> wrote: > Hi Saverio, > > Thanks for your inputs. Will test with statable/ocata branch code and will > share the result. > > Thanks, > Satya.P > > On Wed, Feb 22, 2017 at 1:54 AM, Saverio Proto <[email protected]> wrote: > >> Hello, >> >> I would use at least the stable/ocata branch. If you just use master >> that is not supposed to be stable, and also I am not sure if you can >> fill a bug against a specific commit in master. >> >> Saverio >> >> 2017-02-21 21:12 GMT+01:00 Satyanarayana Patibandla >> <[email protected]>: >> > Hi Saverio, >> > >> > We have tried to create 20 VMs each time using heat template. There is >> 1 sec >> > time gap between each VM creation request. When we reached 114 VMs we >> got >> > the error mentioned in the below mail.Heat template will boot instance >> from >> > volume and it assigns floating IP to the instance. >> > >> > Except neutron-server container we restarted all the neutron agent >> > containers which are present on all network and compute nodes. We are >> using >> > kolla to deploy openstack services. >> > >> > We are using 1 month old master branch openstack code to deploy our >> > services. >> > >> > Please find the error logs in the below link. >> > http://paste.openstack.org/show/599892/ >> > >> > Thanks, >> > Satya.P >> > >> > On Wed, Feb 22, 2017 at 12:21 AM, Saverio Proto <[email protected]> >> wrote: >> >> >> >> Hello Satya, >> >> >> >> I would fill a bug on launchpad for this issue. >> >> 114 VMs is not much. Can you identify how to trigger the issue to >> >> reproduce it ? or it just happens randomly ? >> >> >> >> When you say rebooting the network node, do you mean the server >> >> running the neutron-server process ? >> >> >> >> what version and distribution of openstack are you using ? >> >> >> >> thank you >> >> >> >> Saverio >> >> >> >> >> >> 2017-02-21 13:54 GMT+01:00 Satyanarayana Patibandla >> >> <[email protected]>: >> >> > Hi All, >> >> > >> >> > We are trying to deploy Openstack in our production environment. For >> >> > networking we are using DVR with out L3 HA. We are able to create 114 >> >> > VMs >> >> > with out any issue. After creating 114 VMs we are getting the below >> >> > error. >> >> > >> >> > Error: <html><body><h1>504 Gateway Time-out</h1> The server didn't >> >> > respond >> >> > in time. </body></html> >> >> > >> >> > Neutron services are getting freezed up due to a persistent lock on >> the >> >> > agents table. it seems one of the network node is holding the lock on >> >> > the >> >> > table. After rebooting the network node, the Neutron CLI was >> responsive >> >> > again. >> >> > >> >> > Neutron agent and neutron server is throwing below errors. >> >> > >> >> > Neutron-server errors: >> >> > ERROR oslo_db.sqlalchemy.exc_filters "Can't reconnect until >> invalid >> >> > " >> >> > ERROR oslo_db.sqlalchemy.exc_filters InvalidRequestError: Can't >> >> > reconnect >> >> > until invalid transaction is rolled back >> >> > ERROR neutron.api.v2.resource [req-24fa6eaa-a9e0-4f55-97e0-5 >> 9db203e72c6 >> >> > 3eb776587c9c40569731ebe5c3557bc7 f43e8699cd5a46e89ffe39e3cac75341 - >> - -] >> >> > index failed: No details. >> >> > ERROR neutron.api.v2.resource DBError: Can't reconnect until invalid >> >> > transaction is rolled back >> >> > >> >> > >> >> > Neutron agents errors: >> >> > MessagingTimeout: Timed out waiting for a reply to message ID >> >> > 40638b6bf12c44cd9a404ecaa14a9909 >> >> > >> >> > Could you please provide us your valuable inputs or suggestions for >> >> > above >> >> > errors. >> >> > >> >> > Thanks, >> >> > Satya.P >> >> > >> >> > _______________________________________________ >> >> > OpenStack-operators mailing list >> >> > [email protected] >> >> > http://lists.openstack.org/cgi-bin/mailman/listinfo/openstac >> k-operators >> >> > >> > >> > >> > >
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