This example establishes a FlashCopy® relationship between open (FB) devices using a CKD device, identified by the DEVN keyword, as an access device.
FCESTABL DEVN(0240) SOURCE(22940 0A 10) TARGET(22940 0C 18) OPENDVCS(YES)
DEVN 0240 is a CKD device in the same storage subsystem cluster as the FB SOURCE volume.