Dell EMC Converged Systems Glossary This document provides terms, definitions, and acronyms for Converged Systems. Dell EMC VxFlex integrated rack was previously known as Dell EMC VxRack FLEX. Similarly, Dell EMC VxFlex OS was previously known as Dell EMC ScaleIO. References in the documentation will be updated over time. References to VxFlex Manager in this document apply only if you have a licensed version of VxFlex Manager. For more information, contact Dell EMC Sales.