Hi Anil, Thank you, with the below fix the additional notifications are not received when current OFP master for the switch is brought down.
But as a follow-up of this when only the Openflow connection to the Master OFP instance is brought down without disturbing the cluster nodes, node removal and node updation data change notifications are received in the other 2 controllers in the cluster. The openflow switch was initially connected to all the 3 controllers in the cluster. Terminating the openflow connection to one of the controllers should not trigger Node removal and node updation notifications in the remaining controllers in the cluster as the switch is still available with the cluster. Regards, K.Kalaiselvi From: Anil Vishnoi [mailto:[email protected]] Sent: Monday, February 01, 2016 1:57 PM To: K, Kalaiselvi Cc: [email protected] Subject: Re: Additional node removal/updated notifications on ovs switch role transition to Master in Openflowplugin HI Kalaiselvi, Can you please checkout following patch of openflowplugin and verify if it fixes your issue. https://git.opendaylight.org/gerrit/#/c/33843/1 Thanks Anil On Sun, Jan 31, 2016 at 11:23 PM, Anil Vishnoi <[email protected]<mailto:[email protected]>> wrote: Hi Kalaiselvi, I opened a bug for this issue to track it, https://bugs.opendaylight.org/show_bug.cgi?id=5160 Pushing the patch shortly. Thanks Anil On Sun, Jan 31, 2016 at 10:02 PM, <[email protected]<mailto:[email protected]>> wrote: Hi Anil, Can you please confirm whether the patch for avoiding the additional notifications on failover in the Openflowplugin He clustering is available in the beryllium branch Regards, K.Kalaiselvi From: Anil Vishnoi [mailto:[email protected]<mailto:[email protected]>] Sent: Wednesday, January 27, 2016 2:37 PM To: K, Kalaiselvi Cc: [email protected]<mailto:[email protected]> Subject: Re: Additional node removal/updated notifications on ovs switch role transition to Master in Openflowplugin Nope that should not happen, i am working on the patch that will fix this issue. Planning to push this patch sometime tomorrow, will update you once patch is ready for the test. Thanks Anil On Wed, Jan 27, 2016 at 12:46 AM, <[email protected]<mailto:[email protected]>> wrote: Hi, With the Openflowplugin HE design clustering, when an ovs-switch is connected to a cluster of controllers and one of the openflowplugin instances in the cluster transitions its role from Slave to Master as previous master is brought down, additional node removed and node updated data change notifications are sent out even though the ovs-switch is still connected to one of the controllers in the cluster. This causes the applications dependent on the openflowplugin to consider this transitioning ovs-switch as new node and not as already learnt node. This behavior was not observed with the openflowplug Li clustering. Is there any specific reasons why these additional notifications sent out with the He clustering design. Regards, K.Kalaiselvi -- Thanks Anil -- Thanks Anil -- Thanks Anil
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