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HA active box preempt


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#1 Jordan Mancini

Jordan Mancini
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Posted 16 January 2019 - 11:36 AM

we notice that in case of a failure on the primary box when it comes back we need to failover manually to it.

is it possible to configure the system that in case of a reboot of the primary once back online is automatically set as primary?



#2 Michael Zoller

Michael Zoller
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Posted 17 January 2019 - 04:41 AM

No, the system is designed intentionally not to fail back automatically but is optimized to ensure maximum uptime.


If the primary failed (for whatever reason) the admin has to take a look and switch over manually if everything is ok. Otherwise you could run into situations where the primary comes up for a short time (maybe a latent hardware issue) causing a series of reboot/failover/reboot/failover in a loop.


If the traffic stays on the secondary there is no interruptions for the user and besides the naming "secondary" it doesn't matter which firewall is active. If the secondary would fail, and the primary is up the primary would automatically take over anyway.