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