Long White Virtual Clouds

I’ve been working on a vSphere 5 Architecture Design for business critical applications for a large financial institution and have run into a conflict in the support statement between VMware and EMC with regard to the support of FAST (Fully Automated Storage Tiering) on VMAX when used with Storage I/O Control. The VMware SAN Compatibility Guide on page 6 says “All the storage devices listed on vSphere 4.1 Storage HCL are supported for use with SIOC. There is no special certification requirements for the SIOC support.” This is where things start to get interesting.

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