Hi, https://techwiki.juniper.net/Documentation/Contrail/Contrail_Controller_Feature_Guide/Configuration/50_Juniper_OpenStack_High_Availability says 'A highly available deployment of Contrail requires at least two control nodes, three config nodes (including analytics and webui) and three database nodes.'
Though what we discover when running 3 contrail-control daemons (on
three server) is:
- vrouter connects to only 2 (always different, so sometimes on A && B,
sometimes A && C and sometimes B && C)
When doing so we also experience network unavailability on some compute
nodes:
513752 10.0.80.11:22 X.X.X.X:56149 6 (1)
(K(nh):27, Action:D(NoSrcRt), S(nh):27, Statistics:0/0 UdpSrcPort
63529)
or
252404 10.0.80.1:53 10.0.80.11:53119 17 (1)
(K(nh):28, Action:F, S(nh):4, Statistics:0/0 UdpSrcPort 64509)
When stopping the third contrail-control daemon everything seems to work
fine again.
Is it architectually possible to run more than 2 contrail-control nodes?
Regards,
Stefan
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