Which of the following statements regarding the high reliability of Huawei OceanStor V3 are true? (Multiple Choice)

Which of the following statements regarding the high reliability of Huawei OceanStor V3 are true? (Multiple Choice)
A . Huawei OceanStor V3 uses RAID 2.0+ (underlying virtualization technology) to automatically balance loads among disks.
B . Huawei OceanStor V3 provides the backup battery unit (BBU) module, which can provide power to the controller enclosure in the event of a power failure. This ensures that Huawei OceanStor V3 is able to write cache data into the built-in disks on the controller to prevent data loss.
C . Huawei OceanStor V3usesthediskprecopy technology. By routinely checking the risk status, Huawei OceanStor V3 proactively migrates the data on a disk when detecting a fault risk on the disk, effectively reducing the data loss risks
D . The Huawei OceanStor V3 components use the 1+1 redundancy design and work inactive-active mode.

Answer: ABD

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