EMC Corp, Hopkinton, Massachusetts has sold more than $10m-worth of 4800 Symmetrix Integrated Cached Disk Array storage devices to Delta Air Lines, Atlanta, Georgia: Delta previously used IBM Corp kit exclusively, namely 3380s, 3880s, 3090s and 3990s, but has been replacing them with Symmetrix 4400 and 4800 systems since November 1991; EMC claims that 15,000 square feet of floor space has been saved as a result; it also attests to a 50% performance improvement over cached 3380s for reservation systems running on IBM’s 3090 Model 400, a performance increase of between 30% and 50% with Airline Control Program and a performance boost of 30% to 40% with MVS, running off Hitachi Ltd EX 100s.
