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How to add Flexi Module to XG550 HA Cluster with minimal downtime?

Moltron5k

Hello, we have 2 XG550's in an A/P HA cluster running v17.5 MR12.  We've got some new Flexi modules to install but according to the instructions it requires the units to be powered down.  On top of that, HA requires similar hardware, making it seem like you have to install the modules all at once.

I've found a few methods in this link:

community.sophos.com/.../sg-650---will-installing-an-8-port-gbe-sfp-flexi-port-module-on-active-passive-sg-650-s-cause-ha-to-fail-due-to-dissimilar-hardware

However this is for UTM, and there are some contradictory statements in there too.  We've got 24x7 departments so the goal is to minimize disruptions. Can this be done with no downtime or HA "going crazy" as stated in the forum post above? 



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  • 0

    Hello Moltron5k,

    Thank you for contacting the Sophos Community!

    For this, you would need to schedule some downtime, since you need to shut down the devices to install the modules.

    You could try, to break HA, install the modules in the Slave Node, put a backup of the Master (not in HA) in the Slave, shutdown the MASTER, connect the Slave, perform the same steps in the Master (Except putting the backup again), disconnect the Slave, Connect the MASTER, factory reset the SLAVE, re-join HA. But I think this method might take longer. 

    Regards,

  • 0 in reply to emmosophos

    I'll have to schedule some downtime.  Sounds like that long way could end up with something going wrong.