Biographical sketches of authors

Joseph S. Glider IBM Research Division, Almaden Research Center, 650 Harry Road, San Jose, California 95120 (gliderj@almaden.ibm.com). Mr. Glider is a senior programming manager in the Storage Systems and Software department at the IBM Almaden Research Center in San Jose, California. He has worked on enterprise storage systems for most of his career, including a stint as principal designer for FailSafe, one of the first commercially available fault-tolerant RAID-5 controllers. He has also been involved in supercomputer development, concentrating on the I/O subsystems. Mr. Glider received his B.S. degree in electrical engineering in 1979 from Rensselaer Polytechnic Institute, Troy, NY.

Carlos F. Fuente IBM United Kingdom Laboratories, Hursley Park, Winchester HANTS SO21 2JN, United Kingdom (carlos_fuente@uk.ibm.com). Mr. Fuente is a software architect with the storage systems development group at the IBM Hursley development laboratory near Winchester, UK. He has worked on high-performance, high-reliability storage systems since earning his M.A. degree from St. John's College, Cambridge University, in 1990 in engineering and electrical and information sciences.

William J. Scales IBM United Kingdom Laboratories, Hursley Park, Winchester HANTS SO21 2JN, United Kingdom (bill_scales@uk.ibm.com). Dr. Scales is the leader of the development team working on the IBM virtualization engine. He received his Ph.D. degree in 1995 at Warwick University, working with John Cullyer on developing a safety kernel for high-integrity systems. His research interests include RAID, high availability systems, and microprocessor architecture.