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https://issues.apache.org/jira/browse/ARTEMIS-2716?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17363673#comment-17363673
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Francesco Nigro commented on ARTEMIS-2716:
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I've decided that a failing fail-back is going to fail-fast (because it's
supposed to be an admin operation), but a proper fail during a proper failover
will keep the primary broker (acting as backup) alive and retry to sync with
another (or the same) live.
This should be cover the need to have a symmetric behaviour between a natural
born-backup and a primary acting as a backup (with a backup acting as live that
has configured {{allow-failback == false}}).
> Implements pluggable Quorum Vote
> --------------------------------
>
> Key: ARTEMIS-2716
> URL: https://issues.apache.org/jira/browse/ARTEMIS-2716
> Project: ActiveMQ Artemis
> Issue Type: New Feature
> Reporter: Francesco Nigro
> Assignee: Francesco Nigro
> Priority: Major
> Attachments: backup.png, primary.png
>
> Time Spent: 16h
> Remaining Estimate: 0h
>
> This task aim to ideliver a new Quorum Vote mechanism for artemis with the
> objectives:
> # to make it pluggable
> # to cleanly separate the election phase and the cluster member states
> # to simplify most common setups in both amount of configuration and
> requirements (eg "witness" nodes could be implemented to support single
> master-slave pairs)
> Post-actions to help people adopt it, but need to be thought upfront:
> # a clean upgrade path for current HA replication users
> # deprecate or integrate the current HA replication into the new version
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