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https://issues.apache.org/jira/browse/ARTEMIS-2165?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17033869#comment-17033869
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Justin Bertram commented on ARTEMIS-2165:
-----------------------------------------
[~ryeats], I think that's a good idea. I've kicked off a "DISCUSS" thread on
the ActiveMQ developers list related to this.
> Not having backup available after restart in colocated configuration
> --------------------------------------------------------------------
>
> Key: ARTEMIS-2165
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2165
> Project: ActiveMQ Artemis
> Issue Type: Bug
> Components: Broker
> Affects Versions: 2.6.0
> Reporter: Dmitry Smeliansky
> Priority: Major
>
> We use colocated HA-policy and trying to achieve the following:
> # We have 2 servers and want each one of them will hold a) 1 master b) 1
> slave for the master of each other
> # When we start the servers we have the above as we wanted
> # When one of the server is going down, the slave on the second becomes a
> live master - till now everything is ok
> # When the second server (which was down in step 3) is up, the slave from
> server 1 remains a live master and a slave for master 1 is not created in
> server 2.
> All we want is : how the system should be configured, so after the step 4 we
> will have the exact topology as after the step 1.
> # Start server 1 and server 2: server 1 has 1 master and 1 slave, server 2
> has one master and one slave
> # Restart server 2: server 1 has one master and one slave, server 2 has one
> master and one slave
>
>
>
> This issue was asked multiple times in stackoverflow, but was never answered.
> When using a co-located HA policy, the backups, maintained by some node are
> not restored after this node is restarted (not on this node and not on any
> other).
> [https://stackoverflow.com/questions/52839706/artemis-2-6-0-colocated-ha-issues]
> [https://stackoverflow.com/questions/52000662/artemis-colocated-ha-policy]
> Our configuration was as the following:
> {code:java}
> <ha-policy>
> <replication>
> <colocated>
> <backup-port-offset>100</backup-port-offset>
> <request-backup>true</request-backup>
> <max-backups>2</max-backups>
> <backup-request-retries>-1</backup-request-retries>
>
> <backup-request-retry-interval>5000</backup-request-retry-interval>
> <master/>
> <slave/>
> </colocated>
> </replication>
> </ha-policy>{code}
> Thanks
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