Tiering Storage Primer: Data Classification, Archiving Key
Tiering storage can be a challenge. Data must be classified into the right storage tiers, and it's not always clear what data should go where. IT managers must also comb through several different types of storage tiering, such as automated storage tiering, dynamic storage tiering and sub-LUN tiering. Although, tools (such as data migration tools) exist to help users tier their storage, they can often be complicated to use.