IBM Spectrum Accelerate is a product that was very effective for us once it was implemented (it was not easy), because it is a very robust and very stable product, IBM support is very good in case of any setbacks, based on my experience recommend this product
Add IBM Spectrum Accelerate storage systems to get performance and asset, capacity, and configuration metadata analyzed so that you can detect performance issues and changes in storage usage and plan for future storage needs.IBM Spectrum Accelerate, a member of the IBM Spectrum …
I recommend this product in cases when we have to Deploy scale-out storage grids in automated environments; it can be done in minutes rather than days. Another exciting point is the quality of service that it allows for establishing different performance tiers without a need for physical tiering. A point against, from my point of view, is connectivity because it only provides a connection by iscsi.