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# general
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h
you look for compatible Kubernetes version and check supported OS... For example - Rancher 2.8.5 - RKE2 1.28 https://www.suse.com/suse-rke2/support-matrix/all-supported-versions/rke2-v1-28/
m
Thanks @hundreds-evening-84071, what about this table? https://www.suse.com/suse-rancher/support-matrix/all-supported-versions/rancher-v2-8-6/ in the RKE2 Provisioned Through Rancher section, it’s N/A for rhel on vsphere. A bit confusing… it only shows compatibility for custom rhel nodes, which means existing machines but I’d like rancher to provision the machines
h
FYI - incase if you do not know... Rancher 2.8.6 is only for Prime (paying) customers... Their github page will show you what version is available for non-paying customers: https://github.com/rancher/rancher?tab=readme-ov-file#rancher For now, it is 2.8.5 (from github) ---- back to original topic... I honestly do not know why they have N/A for vSphere I know it works (because everything I have is on vSphere and RKE2 and RHEL)
m
I wasn’t aware, thanks! @hundreds-evening-84071 They have N/A for this table For 2.8.5 there’s tgat table: RKE2 Provisioned Through Rancher and it shows N/A for rhel nodes in Vsphere, so I don’t know 🤷‍♀️ Which rke2 and rhel versions are you running?
h
RKE2 1.28.11 RHEL 9.4
👍 1
m
With rancher 2.8.5?
h
correct
m
On VMware as well or bare metal?
h
no just vmware
m
Cool, thank you. can I ask how did you install it? Did you install Rancher first and then provisioned rke2 cluster or installed first kubernetes and then rancher in top of it as a pod with helm? And did you get it to provision with VM templates successfully on the rhel nodes?
h
everything below is RKE2 1.28.11 on RHEL 9.4 I have 3 node RKE2 cluster (no vsphere integration - so 3-VMs in vsphere) - this is where I installed Rancher via helm then from rancher UI, deployed 2 downstream clusters (prod and non-prod) - these are to deploy other enterprise apps etc...
the 2 downstream clusters is where I have vsphere integrations with vsphere-csi and vsphere-cpi
In Rancher UI, when you create custom cluster, you can select Cloud provider - then add the vsphere info in Add-on tab
m
I see, I’m looking to understand if it’s achievable deploying a rhel cluster on Vsphere using rancher, with its integration, to be able to autoscale the cluster nodes as well, with the cluster autoscaler. So I understand you were able to do so with the downstream clusters.
Yes that’s what I plan to do, just wondering if it will work with the rhel nodes, though it shows N/A in the support matrix
h
I think that is possible but I have never tried, we do not have the type of workload that needs autoscaler so never had to dig that deep
m
Tbh it’s not that important with on prem, as the costs issue is not relevant, but it’s nice to have in cases in which cluster needs more resources. Were you able to spin a cluster using the VM templates for rhel?
h
yes
FYI - there is #CBEB5A0H1 channel and people with lot more experience than me
m
Thank you 🙂
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