 Since mid-2012 it offers real time compression with no performance impact, saving up to 80% of disk utilization.SVC can be configured on a Stretched Cluster Mode, with automatic failover between two datacenters and can have SSD (Solid State Drives) that can be used by EasyTier software to perform sub-LUN automatic tiering.IBM Spectrum Control provides infrastructure management for virtualized, cloud and software-defined storage.