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https://issues.apache.org/jira/browse/AMQ-5540?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=14294318#comment-14294318
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Gary Tully commented on AMQ-5540:
---------------------------------
please attach some logs or stack traces so that is is possible to ascertain the
state of the master. And attach your xml config.
> KahaDB can't fail over to the slave if the master is unable to write to disk
> ----------------------------------------------------------------------------
>
> Key: AMQ-5540
> URL: https://issues.apache.org/jira/browse/AMQ-5540
> Project: ActiveMQ
> Issue Type: Bug
> Components: Broker, Message Store
> Affects Versions: 5.10.0
> Environment: Using Master-slave topology with shared kahadb.
> Using KahaDB on NFS.
> Reporter: Anuj Khandelwal
>
> This is coming from
> http://activemq.2283324.n4.nabble.com/kahadb-corruption-quot-Checkpoint-failed-java-io-IOException-Input-output-error-quot-td4690378.html#a4690442
> .
> KahaDB can't fail over to the slave if the master is unable to write to disk
> when it shuts down (because it couldn't write to disk). KahaDB should be able
> to detect such failures and allow slave broker to acquire the lock.
> Thanks,
> Anuj
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