In Huawei all-flash memory, which of the following upgrade methods does not require resetting (restarting) the controller?

When performing heterogeneous takeover before migration based on smart virtualization and smart migration, operators need to create eDevLUNs for LUNs from heterogeneous storage systems.

A customer has a set of Huawei 0oceanStor hybrid flash storage. After the engineer collects the log information, the engineer finds the following print at the time of power-on failure: "0& 1 or 2&3 disk--->not exist", it can be judged that the system failed to start up, the reason is that the coffer disk is not inserted.

Huawei all-flash storage equipment needs to be planned and designed before deployment. Which of the following options need to be planned in the storage networking? (Multiple Choice)

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