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https://issues.apache.org/jira/browse/ARTEMIS-2421?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel
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Clebert Suconic closed ARTEMIS-2421.
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> Implement periodic journal lock evaluation
> ------------------------------------------
>
> Key: ARTEMIS-2421
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2421
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.6.4
> Reporter: Gaurav
> Assignee: Justin Bertram
> Priority: Critical
> Fix For: 2.11.0
>
> Attachments: broker_master.xml, broker_slave.xml
>
> Time Spent: 1h 50m
> Remaining Estimate: 0h
>
> We have Live-Backup server configuration, single instance of Artemis Live
> server (2.6.4 version) backed up by single instance of Backup server.
> Using shared file system as persistent storage.
> Please refer attachments for both Live-Backup broker configuration.
> *Fail Over Scenario*
> # Node 1 acting as Live node and serving requests whereas Node 2 acting as
> standby or passive node. No consumer is connected to these nodes
> # Pushed 5 messages and verify message count as 5
> # Perform NIC (Network) failure on Node 1 server ( i.e. Cluster is now
> unable to connect to Node 1) . This will make Node 2 as Active and we are
> also able to see previous 5 messages (pushed in step 2) successfully
> replicated on Node 2
> # Bring the network connection back for Node 1. This is where we are facing
> issues as now both nodes acting as Live nodes and getting continuous error as
> below:
> {quote}{{{color:#FF0000}AMQ212034: There are more than one servers on the
> network broadcasting the same node id. You will see this message exactly once
> (per node) if a node is restarted, in which case it can be safely ignored.
> But if it is logged continuously it means you really do have more than one
> node on the same network active concurrently with the same node id. This
> could occur if you have a backup node active at the same time as its live
> node. nodeID=cd323206-4adc-11e9-814b-506b8d4ee653{color}}}
>
> {quote}
> This situation bring entire cluster in inconsistent state and able to push
> messages on both the nodes.
> Any pointer on this issue is much appreciated!
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