The customer wishes to deploy a backup system to protect raw data. During the environmental investigation, it was found that the utilization rate of the production network and the CPU utilization rate of the production server were both above 60%. In this case, it is recommended to use the 1AN basic backup network mode.

The controller of the Huawei hybrid all-flash memory fails, and the storage system tries to reset.
During the reset process, the data is stored in the cache. If the reset fails, the data in the cache will be written to the ( ) hard disk of the controller to avoid data loss.

Which of the following features can make a LUN generate two physical copies at the same time?

The data protection all-in-one machine is charged according to the back-end capacity > License.
When the project is implemented, it is required that the back-end effective capacity must be greater than the license capacity.

Regarding the fault repair of the Ext3 file system, which of the following statements is incorrect?