Today I want to give some information on z/VSE's FlashCopy support provided by the IBM System Storage servers DS8000, DS6000 and ESS.
z/VSE does not support FlashCopy for SCSI devices.
FlashCopy is a point in time copy. It enables data to be copied in the background and made available both source and copied data to users almost immediately. FlashCopy can be used e.g. to reduce planned outages for backups, or provide live data for test environments.
z/VSE supports the following FlashCopy functions: