Back in college humanities we learned about the Inconsistent Triad. Without getting into a religious discussion, suffice it to say that the Inconsistent Triad consisted of 3 statements. Any of the 2 statements taken together were true, but the third always negated the other 2. I bring this up because I believe we have an Inconsistent Triad in the storage business. The 3 components of the Storage Triad are Performance, Capacity and Cost (or affordability). It is hard to get all 3!
If you desire performance and high capacity, you need to sacrifice affordability
If you desire capacity and affordability, you need to sacrifice performance.
If you desire performance at an affordable price point, you need to sacrifice capacity
This is where hybrid storage comes into play – Hybrid storage balances Performance, Capacity and Cost.