vSAN storage policies focus on availability, with some slight exceptions such as I/O limits, read cache and striping (depending on the working dataset), read profile, configuration, and design. Therefore, to provide multiple tiers of storage performance, you must configure multiple resource clusters, each with different defined capabilities and each containing a unique vSAN configuration with the resources being consumed by Organization VDCs. This document addresses two potential design models that can be considered when employing vSAN as the primary storage platform in a vCloud Director environment: