HA is a unique mechanism provided by HCI to ensure high availability of VMs. When the node where VMs reside fails (due to power outage, hardware damage, or other reasons), the platform will automatically migrate the VMs to a healthy node in the cluster and restart them, minimizing business downtime. This mechanism takes effect on each individual VM that has HA enabled, and the destination node for migration must meet the VM's resource requirements (including CPU, memory, and storage resources). It is suitable for all VMs used for services that require high availability, such as web servers and OA systems. Note: HA is not supported for VMs mounted with physical disks or GPUs. You need to unmount the hardware devices, migrate the VMs, and then remount the hardware devices.