Integrating solid state storage as a VMware cache isn’t a trivial task. In fact, it’s become the core challenge for some of the best minds in storage, and few real answers have yet emerged. This will be a primary area of focus for me and others who watch and comment on virtualization and enterprise storage!
EMC VFCache (nÃ©e Project Lightning) is a fairly simple offering: A server-based PCIe flash card that acts as a read cache with no integration with storage arrays or hypervisors. But EMC’s entrance into the host-based flash storage market is a powerful demonstration of the wave of disruption caused by flash-based storage and high-performance computing.