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hi there 🙂 • Check the Longhorn manager DS and nodes CR to see if Longhorn nodes are ready • Check the engine image CR to see if it is fully deployed • Check the CSI attacher/provisioner/resizer/snappshotter deployments to see if there is a healthy pod • Check the longhorn csi plugin DS to see if they are running on all nodes • Check Longhorn UI deployment to see there is a healthy pod • Check the instance manager CR to see if they are running • Successfully deploy a workload & a RWO PVC: This would prove that the CSI components really works fine, and the sockets in the CSI components are set up correctly. • Deploy a workload using RWX volume if the RWX feature is required. • Check the DNS longhorn-backend:9500 is reachable.

Thanks @fancy-car-52195 🙂 Quite a lot to check, so I may check one or two and then deploy a PVC as a form of E2E test. I also found this yesterday https://github.com/longhorn/longhorn/pull/3586/files