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Proper Procedure to Power Up Second Node in HA Pair after Power Failure

I have what I hope is a simple question but cannot find an actual answer to.  We run a simple 2 node UTM 9 Hot Standby (active-passive) configuration,  Recently we experienced a total power failure and only node 1 came back up.  The other node did not come back up and we are not sure of it's current status.  The current powered up node is still in HA mode showing it as MASTER and ACTIVE. It obviously doesn't see the other node right now.  I am not a network engineer and the person responsible for setting this up has left the company and will not be of any help. 

So my question is simply this: Is it safe to attempt to power that node back on in the hopes that it comes back up syncs and takes it place as the SLAVE? Or is there a risk it could bring down or screw up the current MASTER node?  I am just wondering what the recommended procedure is. Any feedback would be greatly appreciated.



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  • yes, it is safe to try powering on the other node a second time.

    The node with higher uptime becomes (stay) the master.

    I would create and download a backup from current master nevertheless.


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

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  • yes, it is safe to try powering on the other node a second time.

    The node with higher uptime becomes (stay) the master.

    I would create and download a backup from current master nevertheless.


    Dirk

    Systema Gesellschaft für angewandte Datentechnik mbH  // Sophos Platinum Partner
    Sophos Solution Partner since 2003
    If a post solves your question, click the 'Verify Answer' link at this post.

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