0kashi
commented
3 months ago Supported as a "day 2" configuration for worker nodes. https://docs.openshift.com/container-platform/latest/machine_management/creating_machinesets/creating-machineset-azure.html#machineset-azure-ephemeral-os_creating-machineset-azure
The issue tracks support for choosing an ephemeral OS disk for your agent nodes in an ARO cluster. This provides lower read/write latency, along with faster node scaling and cluster upgrades.