When a node failure occurs in Huawei distributed storage, the system can automatically recover without manual intervention. Which of the following is the correct description of the node failure and recovery mechanism? (Multiple choice)

When a node failure occurs in Huawei distributed storage, the system can automatically recover without manual intervention. Which of the following is the correct description of the node failure and recovery mechanism? (Multiple choice)
A . If it is detected that the data recovery task has been started for the faulty node, the administrator needs to manually format the storage space of the faulty node
B . When a node failure is detected, the cluster automatically changes to a degraded state and reports an alarm, and stops distributing services to this node.
C . If the administrator determines that the node cannot be recovered in a short time, the data recovery task can be started manually
D . When a node recovery is detected, the administrator needs to manually add it to the node list and distribute services normally

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Answer: BD