Regarding the protocol used by the mirror channel between controllers of Huawei Oceanstor hybrid flash storage, which of the following statement is correct?

Log in to the Huawei OceanStor hybrid flash storage CL window and run the following command:
Admin: />create lun name=asdf pool id=0 capacity=2GB lu_type=thin initial_capacity-1GB dedup_enabled=yes After the configuration is complete, the deduplication data granularity is 64KB. It is recommended to modify it as follows:
Log in to the CLl window of the Huawei OceanStor full-flash storage system and run the following command:
Admin:/>create lun_workload_type general name=test1 io size=64KB dedup_enabled=yes compression_enabled=yes After the configuration is complete, the data deduplication granularity is 64KB.

An enterprise plans to purchase a set of storage equipment. According to the IOPS requirements of the enterprise business, the IOPS that a single hard disk of storage needs to support is 3000.
Considering the cost factor, it is recommended to use which of the following hard disks best meets the requirements of the enterprise?

Huawei distributed storage, with 50 nodes, needs to use aggregation switches when planning the network

A bank plans to purchase a set of distributed storage and issue requirements to multiple storage device suppliers. The bank's storage engineer conducts industry comparisons and exchanges according to needs, determines the appropriate equipment technical standards, selects 3 suppliers for equipment testing, and finally outputs a report. This is an operation in the equipment selection stage.