question

glucente avatar image
0 Votes"
glucente asked srbose-msft edited

AKS Cluster Upgrade: change of 2 versions

Hello,
we are currently running AKS in version 1.18.x and we would like to upgrade to version 1.20.
We saw that this upgrade is not feasible in one step and should be done in two steps: 1.18->1.19 and 1.19->1.20
What are the best practices suggested by Microsoft for this scenario?
Do you suggest to execute the second upgrade as soon as the firs one is completed or do you suggest to have a wait time of some days?
Thank you for your support

azure-kubernetes-service
5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.

1 Answer

RoderickBant74 avatar image
2 Votes"
RoderickBant74 answered

I can't find any official best practice on this. But personally I have never experienced any problems executing multiple cluster upgrades sequentially. If you have multiple node pools, make sure you upgrade them all before doing the next upgrade on the master control plane as the nodes and kube master may only differ 1 major version.

5 |1600 characters needed characters left characters exceeded

Up to 10 attachments (including images) can be used with a maximum of 3.0 MiB each and 30.0 MiB total.