A customer's Huawei OceanStor hybrid flash storage array has a damaged controller and needs to be replaced. Shortly after the on-site engineer replaced the controller, the alarm indicator of the newly inserted controller was found to be red and an audible alarm sounded. How should the on-site engineer handle this correctly?

The virtualization platform migration solution is easy to operate and has no interruption in migration, and is suitable for scenarios such as VDI, virtual machine, and database cross-platform migration.

RAID2.0 has the natural advantage of supporting SmartTier, which can accelerate the performance of hot data. Which of the following statements about SmartTier's performance is true?