Regarding HUAWEI OceanStor storage dynamic tiered storage technology, which of the following descriptions is incorrect?

SmartTier calculates and analyzes the activity of data to determine the activity level of the data

SmartTier automatically and dynamically moves data to different performance storage media according to different activity levels of the data on

SmartTier data movement configuration-based data migration strategy

Data statistics, analysis and data migration of SmartTier features will affect business continuity and data availability