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https://issues.apache.org/jira/browse/ARTEMIS-473?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15688863#comment-15688863
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ASF GitHub Bot commented on ARTEMIS-473:
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GitHub user clebertsuconic opened a pull request:
https://github.com/apache/activemq-artemis/pull/895
ARTEMIS-473/ARTEMIS-863 Detect network failures
You can merge this pull request into a Git repository by running:
$ git pull https://github.com/clebertsuconic/activemq-artemis netcheck
Alternatively you can review and apply these changes as the patch at:
https://github.com/apache/activemq-artemis/pull/895.patch
To close this pull request, make a commit to your master/trunk branch
with (at least) the following in the commit message:
This closes #895
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commit 5d040c41822cbda784c29c6488073e5dff4d6f13
Author: Clebert Suconic <clebertsuco...@apache.org>
Date: 2016-11-17T15:01:31Z
ARTEMIS-473/ARTEMIS-863 Detect network failures
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> Resolve split brain data after split brains scenarios.
> ------------------------------------------------------
>
> Key: ARTEMIS-473
> URL: https://issues.apache.org/jira/browse/ARTEMIS-473
> Project: ActiveMQ Artemis
> Issue Type: New Feature
> Components: Broker
> Affects Versions: 1.2.0
> Reporter: Miroslav Novak
> Priority: Critical
> Fix For: 1.6.0
>
>
> If master-slave pair is configured using replicated journal and there are no
> other servers in cluster then if network between master and slave is broken
> then slave will activate. Depending on whether clients were disconnected from
> master or not there might be or might not be failover to slave. Problem
> happens in the moment when network between master and slave is restored.
> Master and slave are active at the same time which is the split brain
> syndrom. Currently there is no recovery mechanism to solve this situation.
> Suggested improvement: If clients failovered to slave then master will
> restart itself so failback occurs (if configured). If clients did not
> failover and stayed connected to master then backup will restart itself.
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