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Cisco Bug: CSCvu15218 - Cisco DNA Center upgrade to is failing at 41% due to 2/3 rabbitmq instances in crashloop

Last Modified

Sep 19, 2020

Products (1)

  • Cisco DNA Center

Known Affected Releases


Description (partial)

On rabbitmq-2, rabbitmq server was running, but the mnesia was stopped due to the "pause minority" policy during the upgrade. Because of this, the other two rabbitmq instances could reach rabbitmq-0 but could not join the cluster


=INFO REPORT==== 5-May-2020::23:23:49 ===
rabbit on node 'rabbit@rabbitmq-0.rabbitmq.maglev-system.svc.cluster.local' down

=INFO REPORT==== 5-May-2020::23:23:49 ===
node 'rabbit@rabbitmq-0.rabbitmq.maglev-system.svc.cluster.local' down: connection_closed

=WARNING REPORT==== 5-May-2020::23:23:49 ===
Cluster minority/secondary status detected - awaiting recovery

=INFO REPORT==== 5-May-2020::23:23:49 ===
RabbitMQ is asked to stop...

The problem is observed with 3-node cluster
- This has been seen when upgrading to, where the upgrade stalls at 41%
- Also it was noticed on > upgrade

Related Community Discussions

<key>CSCvu15218</key> - Upgrade from dnac to is failing at 41 percent due to 2/3 rabbitmq instances in crashloop
Seen also when upgrading a 3-node cluster from to TAC resolved the issue within a couple of hours after diagnosing the issue and relating to this bug.
Latest activity: Jun 10, 2020
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