The description of HA in Huawei FusionSphere, which is wrong?

The description of HA in Huawei FusionSphere, which is wrong?
A . This function support automatic restart after virtual machine failure.
B . If the virtual machine data is stored in shared storage, unsaved data will not be lost if failure occurs.
C . The system periodically detects the status of the virtual machine. When the failure of the physical server causes the failure of the virtual machine, the system will migrate the virtual machine to another physical server and restart it to ensure that the virtual machine can recover quickly.
D . The current system can detect the cause of virtual machine failures, including physical hardware failures and operating system failures.

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Answer: B