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Preferred master option during up2date

Sai Bhargav

Dear experts.. Should we disable preferred master to none before update on ha pair?? Will update gets successful even I select node 1 master under preferred master section??

As the update will performed on slave mode first after while it is taking over as active.. Will this preferred node setting hampers anything??



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  • +1

    Dear Sai,

    I don’t expect any difficulty because of a preferred master. After update has completed on both nodes the preferred master will take over again.

    But more interesting to me, for what reason do you use preferred master selection?

    Best regards

    Alex

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  • 0 in reply to Alexander Busch

    Hi Alex,

     

    Thanks a lot for your response. I have to set node 1 master as I am replacing slave and then have to perform update in a single change window.I have got this query because during  automatic step of slave(node 2) upgrade and reboot and then takeover as active, if this preferred master is set as node 1 it might prevent this takeover to standby

     

    So the device which has highest version will be master irrespective of preferred master settings right???

     

    Thank you very much

    Sai

     

  • 0 in reply to Sai Bhargav

    Yes, highest version is always Master in a healthy situation.

    Preferred master: Here you can define a designated master node by selecting a node from the drop-down list. In case of a failover, the selected node will not stay in Slave mode after the link recovers but instead will switch back to Master mode.

     

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  • 0 in reply to Sai Bhargav

    Yes, highest version is always Master in a healthy situation.

    Preferred master: Here you can define a designated master node by selecting a node from the drop-down list. In case of a failover, the selected node will not stay in Slave mode after the link recovers but instead will switch back to Master mode.

     

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