 IO Turbine's main product was the ioTurbine hybrid array (caching to flash) software, which is virtualization-aware, particularly of VMware environments.In January 2012, Fusion-io achieved a record breaking billion IOPS from eight servers at the DEMO Enterprise event in San Francisco.In June 2012, the Btrfs principal developers Chris Mason joined Fusion-io after leaving Oracle, and Josef Bacik left Red Hat to join Fusion-io.