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Posted to issues@activemq.apache.org by "Francesco Nigro (Jira)" <ji...@apache.org> on 2021/08/19 13:53:00 UTC

[jira] [Created] (ARTEMIS-3429) Backup forget coordination-id after quorum loss

Francesco Nigro created ARTEMIS-3429:
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             Summary: Backup forget coordination-id after quorum loss
                 Key: ARTEMIS-3429
                 URL: https://issues.apache.org/jira/browse/ARTEMIS-3429
             Project: ActiveMQ Artemis
          Issue Type: Bug
    Affects Versions: 2.18.0
            Reporter: Francesco Nigro
            Assignee: Francesco Nigro


Assuming a multi-primary set-up, if the broker acting as backup lost quorum, is restarted without applying the coordination-id patching on NodeManager:  if its local activation sequence is > 0 (because of a past sync with the other live) the backup succeed to activate, causing a split-brain (although its NodeID is a random one vs the original coordination-id).



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