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AKS upgrade

Divyansh Saxena 21 Reputation points
2020-09-15T13:37:06.66+00:00

Does updating AKS version on a node pool also updates the base OS image version as well ?

or

Do we have to update the base OS image separately?

Azure Kubernetes Service (AKS)
Azure Kubernetes Service (AKS)
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. prmanhas-MSFT 17,901 Reputation points Microsoft Employee
    2020-09-16T07:27:00.96+00:00

    @Divyansh Saxena Firstly, apologies for the delay in responding on this and any inconvenience this issue may have caused

    The AKS engine allows you to upgrade the cluster that was originally deployed using the tool. You can maintain the clusters using the AKS engine. Your maintenance tasks are similar to any IaaS system. You should be aware of the availability of new updates and use the AKS engine to apply them.

    The upgrade command updates the Kubernetes version and the base OS image. Every time that you run the upgrade command, for every node of the cluster, the AKS engine creates a new VM using the AKS Base Image associated to the version of aks-engine used. You can use the aks-engine upgrade command to maintain the currency of every master and agent node in your cluster.

    You can refer to this article as well for more information.

    This article might be helpful as well for your query.

    Hope it helps!!!

    Please 'Accept as answer' if it helped, so that it can help others in the community looking for help on similar topics

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