What does Ibm Spectrum Virtualize do?

IBM Spectrum Virtualize (being renamed IBM Storage Virtualize) is a software defined storage product that can be used on an IBM appliance such as an IBM FlashSystem, SAN Volume Controller, or in the IBM, Amazon, or Azure clouds to add Hybrid could features to internal storage (IBM FlashSystems) or other vendors storage. Please see the link: https://www.ibm.com/flashsystem