It's my understanding that auto-tiering is storage optimization based on cost-savings. You put the most-used data on the most expensive devices and the least-accessed data on the least expensive devices.
Auto load balancing is storage optimization based on putting data where you have space evenly across devices.
Is this a correct differentiation of the functionality/processes? If one storage virtualization solution claims to have storage load balancing and another claims to have auto-tiering are these the same or different functionalities?
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