Creating azuremachinetemplate setting ultraSSDCapability: "Enabled", ultraSSDCapability will be removed from azuremachinetemplate        

4.18.0-0.nightly-2024-09-10-184137    

 Always   

1. Create azuremachinetemplate
apiVersion: infrastructure.cluster.x-k8s.io/v1beta1
kind: AzureMachineTemplate
metadata:
  name: capi-azure-machine-template1
  namespace: openshift-cluster-api
spec:
  template:
    spec:
      ultraSSDCapability: "Enabled"
      networkInterfaces:
      - privateIPConfigs: 1
        subnetName: zhsun-az11-lkch7-worker-subnet
        acceleratedNetworking: true
      identity: None
      image:
        id: /subscriptions/53b8f551-f0fc-4bea-8cba-6d1fefd54c8a/resourceGroups/zhsun-az11-lkch7-rg/providers/Microsoft.Compute/galleries/gallery_zhsun_az11_lkch7/images/zhsun-az11-lkch7-gen2/versions/latest
      osDisk:
        diskSizeGB: 128
        managedDisk:
          storageAccountType: Standard_LRS
        osType: Linux
      vmSize: Standard_D4s_v3
      userDataSecret:
        name: worker-user-data
2. Check the created azuremachinetemplate
3.
    

ultraSSDCapability: "Enabled" will be removed from azuremachinetemplate 
$ oc get azuremachinetemplate capi-azure-machine-template1 -o yaml | grep ultraSSDCapability                    
$ 

UltraSSD disks is supported