Whether the _graceful_ shutdown of this broker will cause the backup to activate.
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If `false` then the backup server will remain passive if this broker is shutdown gracefully (e.g. using kbd:[Ctrl+C]).
Note that if `false` and you want failover to occur then you can use the management API as explained xref:management.adoc#management[here].
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If `true` then when this server is stopped the backup will activate.
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The default is `false`.
