Back in 2019 Microsoft introduced the ephemeral OS disk option for Azure VMs and VMSS. -> https://azure.microsoft.com/en-us/updates/azure-ephemeral-os-disk-now-generally-available/ Instead of storing and persisting the OS disk to the Azure remote storage the ephemeral OS disk is stored onto the VM’s cache. Hence, ephemeral OS disks are perfect for stateless workloads like Azure Kubernetes Read more [...]