Open Stack

Hi,


I have 2 nodes on my OpenStack cluster. One act as both the controller node
and the compute node and the other act as the compute node.

All services were running well for days until I activate a new NIC
interface to the controller node. Now the problem is the nova-compute
service of the compute node can connect to the RabittMQ server but the
nova-compute service of the controller node connecting to the RabiitMQ
server got an error and fails.

Here are the RabbitMQ logs when I start nova-compute service on the
controller node:

=INFO REPORT==== 15-Dec-2018::11:02:15 ===
Connection <0.3414.0> (192.168.0.31:35254 -> 192.168.0.31:5672) has a
client-provided name: nova-compute:7425:5fb041db-c884-4c5a-86a5-6c7a490c2471

=INFO REPORT==== 15-Dec-2018::11:02:15 ===
accepting AMQP connection <0.3431.0> (192.168.0.31:35256 ->
192.168.0.31:5672)

=INFO REPORT==== 15-Dec-2018::11:02:15 ===
Connection <0.3431.0> (192.168.0.31:35256 -> 192.168.0.31:5672) has a
client-provided name: nova-compute:7425:911fbbc4-1cfa-45f2-a65b-23c7fb0a4aee

=WARNING REPORT==== 15-Dec-2018::11:02:15 ===
closing AMQP connection <0.3414.0> (192.168.0.31:35254 -> 192.168.0.31:5672
- nova-compute:7425:5fb041db-c884-4c5a-86a5-6c7a490c2471):
client unexpectedly closed TCP connection

=WARNING REPORT==== 15-Dec-2018::11:02:15 ===
closing AMQP connection <0.3431.0> (192.168.0.31:35256 -> 192.168.0.31:5672
- nova-compute:7425:911fbbc4-1cfa-45f2-a65b-23c7fb0a4aee):
client unexpectedly closed TCP connection

=INFO REPORT==== 15-Dec-2018::11:02:21 ===
accepting AMQP connection <0.3446.0> (192.168.0.31:35316 ->
192.168.0.31:5672)

=INFO REPORT==== 15-Dec-2018::11:02:21 ===
Connection <0.3446.0> (192.168.0.31:35316 -> 192.168.0.31:5672) has a
client-provided name: nova-compute:7438:cac8d67b-6f5a-426d-8d03-a18c8d5a7e5a

=INFO REPORT==== 15-Dec-2018::11:02:21 ===
accepting AMQP connection <0.3463.0> (192.168.0.31:35318 ->
192.168.0.31:5672)

=INFO REPORT==== 15-Dec-2018::11:02:21 ===
Connection <0.3463.0> (192.168.0.31:35318 -> 192.168.0.31:5672) has a
client-provided name: nova-compute:7438:b06139fd-8294-4c21-a5c3-6e1ccb45fe6f

=WARNING REPORT==== 15-Dec-2018::11:02:21 ===
closing AMQP connection <0.3446.0> (192.168.0.31:35316 -> 192.168.0.31:5672
- nova-compute:7438:cac8d67b-6f5a-426d-8d03-a18c8d5a7e5a):
client unexpectedly closed TCP connection

=WARNING REPORT==== 15-Dec-2018::11:02:21 ===
closing AMQP connection <0.3463.0> (192.168.0.31:35318 -> 192.168.0.31:5672
- nova-compute:7438:b06139fd-8294-4c21-a5c3-6e1ccb45fe6f):
client unexpectedly closed TCP connection


What is the problem?
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