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operate-failover.adoc 
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<#import "/templates/guide.adoc" as tmpl>
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<#import "/templates/links.adoc" as links>
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<@tmpl.guide
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title="Fail over to the secondary site"
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summary="This describes the automatic and operational procedures necessary" >
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This {section} describes the steps to fail over from primary site to secondary site in a setup as outlined in <@links.ha id="concepts-active-passive-sync" /> together with the blueprints outlined in <@links.ha id="bblocks-active-passive-sync" />.
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== When to use procedure
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A failover from the primary site to the secondary site will happen automatically based on the checks configured in the loadbalancer.
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When the primary site loses its state in {jdgserver_name} or a network partition occurs that prevents the synchronization, manual procedures are necessary to recover the primary site before it can handle traffic again, see the <@links.ha id="operate-switch-back" /> {section}.
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To prevent an automatic fallback to the primary site before those manual steps have been performed, configure the loadbalancer as described following to prevent this from happening automatically.
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For a graceful switch to the secondary site, follow the instructions in the <@links.ha id="operate-switch-over" /> {section}.
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See the <@links.ha id="introduction" /> {section} for different operational procedures.
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== Procedure
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Follow these steps to manually force a failover.
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=== Route53
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To force Route53 to mark the primary site as permanently not available and prevent an automatic fallback, edit the health check in AWS to point to a non-existent route (`health/down`).
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</@tmpl.guide>
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