5.5.4 Assigning Spares at the Array Level
Spares for 4K logical drives can be assigned at the array level.

- Dedicated Hot Spare: If the array/logical device is created using 4K SATA drives, then only the 4K SATA devices can be assigned as spares.
-
Auto Replace Hot Spare: The process is the same as the Dedicated
Hot Spare.