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AKS cluster upgrades

marleo-fobuzie 50 Reputation points
2023-07-14T15:22:29.9333333+00:00

Greetings,

My team plan to do lots of upgrades to versions 1.25 and higher.

Most of our cluster versions are currently 1.22 and 1.23.

We plan to just do the upgrades using the Azure portal under custom configuration.

Are there some things to be mindful of prior to the upgrades?

Thanks

Azure Kubernetes Service
Azure Kubernetes Service

An Azure service that provides serverless Kubernetes, an integrated continuous integration and continuous delivery experience, and enterprise-grade security and governance.

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  1. Andrei Barbu 2,601 Reputation points Microsoft Employee
    2023-07-14T15:55:28.4733333+00:00

    Hello marleo-fobuzie,

    Thank you for raising the question.

    You should make sure you have IP addresses and quota available for the buffer node(s). Additionally, you should make sure potential PDBs allow the draining/eviction.

    There are others that you can deduce from the following documentation, under "Troubleshoot upgrade operations":

    https://learn.microsoft.com/en-us/troubleshoot/azure/azure-kubernetes/welcome-azure-kubernetes

    Hopefully this is what you are looking for! If you have additional questions, please let us know in the comments.

    If this has been helpful, please take a moment to accept answers as this helps increase visibility of this question for other members of the Microsoft Q&A community. Thank you for helping to improve Microsoft Q&A!

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