Which services are affected when we restart a dual controller storage device?

What are the principles of making a file system backup strategy? (Multiple choice)

For the description of Huawei Oceantor9000 products, which of the following options is wrong?

In the Huawei Active-Active DC Solution, SQL Server can provide services concurrently at both sites.

SmartMigration uses LUNS mapped from heterogeneous storage arrays to the local storage array as logical disks (LDs) that can provide storage space for the local storage array and create eDevLUNs that can be mapped to the host on LDs.