Flash Cache Flash Pool Before ONTAP 9.0, the recommendation is simple: It is exclusive. Such as if deploying HYA aggrs, do not need a Flash Cache. ONTAP 9.0 later opened the door to the deployment of ...Flash Cache Flash Pool Before ONTAP 9.0, the recommendation is simple: It is exclusive. Such as if deploying HYA aggrs, do not need a Flash Cache. ONTAP 9.0 later opened the door to the deployment of both on the same controller. There may be a small fraction of workloads that will benefit from having both FC+FP. The exact nature of such workloads is not entirely clear. TR-3832: Flash Cache Best Practice Guide TR-4070: Flash Pool Design and Implementation Guide
