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How to Upgrade AKS Kubernetes version? RRS feed

  • Question

  • Hello Team

    We got email from Microsoft Azure as 

    Upgrade your AKS Kubernetes version before 27 February 2020

    You're receiving this email because you are using the Azure Kubernetes Service (AKS).

    We detected that one or more AKS clusters for the Subscription ID(s) listed in the Account Information section are using Kubernetes v1.13 or lower. AKS will be retiring v1.13 on 27 February 2020. To stay within supported versions and SLO please upgrade your clusters to 1.14 or higher.

     

    How to Upgrade AKS Kubernetes version?


    Friday, February 14, 2020 10:37 PM

Answers

  • Hi,

    Easier way to  upgrade your cluster via portal or cli.

    During upgrade, platform will pick a node , cordon and drain the node and replace that nod with the new version.  This will happen in a sequence for all the nodes.

    If there is a failure during that process, upgrade stops.  Its better to pick a non business hour for upgrades.

    While upgrading you can move to the next minor version.  You cant jump versions.  So if you want to move from 1.11 to 1.13, You need to do two upgrades. One from 1.11 to 1.12  and the next one from 1.12 to 1.13

    This document explains the process of upgrading a cluster clearly.  Please go through that and let me know if you face any issues,

      

    Monday, February 17, 2020 5:59 AM
    Moderator

All replies

  • Hi,

    Easier way to  upgrade your cluster via portal or cli.

    During upgrade, platform will pick a node , cordon and drain the node and replace that nod with the new version.  This will happen in a sequence for all the nodes.

    If there is a failure during that process, upgrade stops.  Its better to pick a non business hour for upgrades.

    While upgrading you can move to the next minor version.  You cant jump versions.  So if you want to move from 1.11 to 1.13, You need to do two upgrades. One from 1.11 to 1.12  and the next one from 1.12 to 1.13

    This document explains the process of upgrading a cluster clearly.  Please go through that and let me know if you face any issues,

      

    Monday, February 17, 2020 5:59 AM
    Moderator
  • Hello,

    Any update on the issue?

    If the suggested response helped you resolve your issue, do click on "Mark as Answer" and "Up-Vote" for the answer that helped you for benefit of the community.

    Thanks.
    Tuesday, February 18, 2020 5:23 AM
    Moderator
  • Thank you! 
    16 hours 15 minutes ago