If OceanStor hybrid flash memory is used at the same time, which of the following is not suitable?

After Huawei Distributed Storage enables the object deduplication function, the system will automatically search for duplicate objects globally, retain only one copy of the same object and delete redundant duplicate data, and the original duplicate data will be replaced with a single copy pointing to the retained citations.

The storage device generates a fault alarm. Which of the following methods cannot collect storage system fault information?

The creation of logical ports is based on physical Ethernet ports, bound ports or VLANs, and is mainly used for business operation. At the same time, you need to specify the main port, when the main port fails. Services will be taken over by the failover port.

Which of the following RAID technologies need to calculate parity data when writing data? (Multiple Choice)