A.Chunks, which are blocks obtained by dividing each disk at a fixed size, are basic units of a RAID group

B.An extent is a block of a fixed size in a chunk group (4 KB by default).

C.A chunk group is the minimum unit for applying for and releasing space in a storage pool

D.A chunk group is a logical set of chunks on different disks.

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

B.SmartTier data movement configuration-based data migration strategy

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

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

A.Polling

B.Minimum queue depth

C.the minimum task

D.Minimum IO number

A.TRUE

B.FALSE

A.LUN ID.

B.BUS ID.

C.Device ID.

D.Host ID.